Alert archive / Wyoming / Winter Storm Warnings in 2021

Winter Storm Warning 8, NWS Riverton, WY

April 13, 20215 counties in Wyoming

NWS Riverton, WY issued this winter storm warning at Apr 13, 2021, 3:37 PM MDT for 5 counties in Wyoming. It took effect at Apr 14, 2021, 12:00 AM MDT. It was in force for 48 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 13, 2021, 3:37 PM MDT (21:37 UTC)
In effect from
Apr 14, 2021, 12:00 AM MDT
Expired
Apr 16, 2021, 12:00 AM MDT
In force
48 hr
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Lincoln County, WY, Natrona County, WY, Sublette County, WY, Sweetwater County, WY

The radar

The Riverton/Lander radar (KRIW), 71 km from the middle of the area, began a volume at 21:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 9.6 hours before the alert went out and 75 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2021-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2021-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
925 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

112 
WWUS45 KRIW 132137
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
337 PM MDT Tue Apr 13 2021

...Winter Weather to return to most of Central and Western
Wyoming...

.A storm system will bring periods of moderate to heavy snow to
portions of Wyoming late tonight through Thursday afternoon.

WYZ018-141200-
/O.UPG.KRIW.WS.A.0005.210414T0600Z-210416T0000Z/
/O.NEW.KRIW.WS.W.0008.210414T0600Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
337 PM MDT Tue Apr 13 2021

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
MDT THURSDAY...

* WHAT...Light to moderate snow, with periods of heavy snow 
  expected. Total snow accumulations of 11 to 17 inches.

* WHERE...Lander Foothills.

* WHEN...From midnight tonight to 6 PM MDT Thursday. The heaviest
  snow is expected Wednesday night through sunrise Thursday.

* IMPACTS...Travel could be very difficult from Red Canyon to
  South Pass. The hazardous conditions would impact the morning 
  and evening commutes.

* ADDITIONAL DETAILS...Roads in the Lander Foothills will be
  slushy to snowpacked at times, mainly during the late evening
  hours through the late morning hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ015-141200-
/O.UPG.KRIW.WS.A.0005.210414T0600Z-210416T0000Z/
/O.NEW.KRIW.WS.W.0008.210414T0600Z-210416T0000Z/
Wind River Mountains East-
337 PM MDT Tue Apr 13 2021

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
MDT THURSDAY...

* WHAT...Moderate snow with periods of heavy snow expected. Total
  snow accumulations of 12 to 19 inches. Winds gusting as high as
  35 mph.

* WHERE...Wind River Mountains East.

* WHEN...From midnight tonight to 6 PM MDT Thursday. The heaviest
  snow is expected late Wednesday afternoon through sunrise 
  Thursday.

* IMPACTS...Travel could be very difficult over South Pass,
  especially Wednesday night into Thursday morning. The hazardous
  conditions would impact the morning and evening commutes.

* ADDITIONAL DETAILS...Roads in the Lander Foothills will be
  slushy to snowpacked at times, mainly during the late evening
  hours through the late morning hours. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ024-141200-
/O.UPG.KRIW.WS.A.0005.210414T0600Z-210416T0000Z/
/O.NEW.KRIW.WS.W.0008.210414T0600Z-210416T0000Z/
Salt River and Wyoming Ranges-
337 PM MDT Tue Apr 13 2021

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
MDT THURSDAY...

* WHAT...Moderate to Heavy snow expected. Total snow 
  accumulations of 12 to 15 inches. Winds gusting as high as 40 
  mph.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...From midnight tonight to 6 PM MDT Thursday. The heaviest
  periods of snow will be early Wednesday morning to sunrise and 
  Wednesday night through midnight.

* IMPACTS...Travel could be difficult over Salt River Pass at
  times. 

* ADDITIONAL DETAILS...Visibility will be very low at times.
  PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ027>030-141200-
/O.NEW.KRIW.WW.Y.0023.210414T0600Z-210415T1800Z/
South Lincoln County-Rock Springs and Green River-Flaming Gorge-
East Sweetwater County-
Including the cities of Kemmerer, Cokeville, Rock Springs, 
Green River, and Wamsutter
337 PM MDT Tue Apr 13 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MDT THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches.
  Winds gusting as high as 50 mph.

* WHERE...South Lincoln County, Rock Springs and Green River, 
  Flaming Gorge and East Sweetwater County.

* WHEN...From midnight tonight to noon MDT Thursday.

* IMPACTS...Plan on slippery road conditions and very low
  visibilities due to blowing snow. The hazardous conditions 
  could impact the morning or evening commute.

* ADDITIONAL DETAILS...Travel along Interstate 80 may become
  difficult overnight. Plan ahead and drive to conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ016-017-141200-
/O.NEW.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
Upper Wind River Basin-Wind River Basin-
Including the cities of Dubois, Riverton, and Shoshoni
337 PM MDT Tue Apr 13 2021

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY AFTERNOON...

* WHAT...Light to moderate snow with periods of heavy snow
  possible. Total snow accumulations of 6 to 10 inches possible.

* WHERE...Upper Wind River Basin and Wind River Basin.

* WHEN...From Wednesday afternoon through Thursday afternoon. The
  heaviest periods of snow are expected Wednesday night to 
  Thursday morning.

* IMPACTS...Travel could be very difficult, especially in the
  evening, at night, and early morning. The hazardous conditions 
  could impact the morning or evening commute.

* ADDITIONAL DETAILS...Travel could become difficult along Hwy 20/26
  and WYO 789.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

WYZ019-141200-
/O.NEW.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
337 PM MDT Tue Apr 13 2021

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY AFTERNOON...

* WHAT...Moderate snow with periods of heavy snow possible. Total
  snow accumulations of 6 to 15 inches possible. Winds could gust
  as high as 45 mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...From Wednesday afternoon through Thursday afternoon.

* IMPACTS...Travel could be very difficult. Patchy blowing snow
  could significantly reduce visibility. The hazardous conditions
  could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

WYZ010-011-020-022-141200-
/O.NEW.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
Northeast Johnson County-Southeast Johnson County-
Natrona County Lower Elevations-Casper Mountain-
Including the cities of Buffalo, Kaycee, and Casper
337 PM MDT Tue Apr 13 2021

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY AFTERNOON...

* WHAT...Light to moderate snow with periods of heavy snow
  possible. Total snow accumulations of around 3 inches in the
  Casper area and up to 6 inches possible in other portions of
  Natrona. 6 to 8 inches are possible on Casper Mountain.
  

* WHERE...Northeast Johnson County, Southeast Johnson County, 
  Natrona County Lower Elevations and Casper Mountain.

* WHEN...From Wednesday afternoon through Thursday afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Travel along Interstate 25 and 90, as well
  as Why 20/26 may become difficult. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

WYZ007>009-141200-
/O.NEW.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-
337 PM MDT Tue Apr 13 2021

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY AFTERNOON...

* WHAT...Heavy snow possible. Total snow accumulations of 6 to 12
  inches possible.

* WHERE...Owl Creek and Bridger Mountains, Bighorn Mountains 
  West and Bighorn Mountains Southeast.

* WHEN...From Wednesday afternoon through Thursday afternoon.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Travel through Wind River Canyon may become
  difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw
11 follow-up statements
110 
WWUS45 KRIW 140226
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
826 PM MDT Tue Apr 13 2021

...Winter Weather to return to most of Central and Western
Wyoming...

.A storm system will bring periods of moderate to heavy snow to
portions of Wyoming late tonight through Thursday afternoon.

WYZ018-141200-
/O.CON.KRIW.WS.W.0008.210414T0600Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
826 PM MDT Tue Apr 13 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM MDT THURSDAY...

* WHAT..Periods of snow, heavy at times. Total snow accumulations
  of 12 to 16 inches.

* WHERE...Lander Foothills.

* WHEN...From midnight tonight to 6 PM MDT Thursday. The 
  heaviest snow is expected Wednesday night through sunrise 
  Thursday.

* IMPACTS...Roads in the Lander Foothills will be slushy to 
  snowpacked at times, mainly during the late evening hours 
  through the late morning hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ015-141200-
/O.CON.KRIW.WS.W.0008.210414T0600Z-210416T0000Z/
Wind River Mountains East-
826 PM MDT Tue Apr 13 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM MDT THURSDAY...

* WHAT...Periods of snow, heavy at times. Total snow accumulations
  of 15 to 20 inches with isolated 2 feet of snow. Winds gusting
  as high as 45 mph.

* WHERE...Wind River Mountains East.

* WHEN...From midnight tonight to 6 PM MDT Thursday. The 
  heaviest snow is expected late Wednesday afternoon through 
  sunrise Thursday.

* IMPACTS...Travel could be very difficult to impossible over
  South Pass, especially Wednesday night into Thursday morning.

* ADDITIONAL DETAILS...Whiteout conditions are possible at times
  in heavy snow and blowing snow. Also expect significant
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ024-141200-
/O.CON.KRIW.WS.W.0008.210414T0600Z-210416T0000Z/
Salt River and Wyoming Ranges-
826 PM MDT Tue Apr 13 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM MDT THURSDAY...

* WHAT...Periods of snow, heavy at times. Total snow accumulations
  of 12 to 15 inches. Winds gusting as high as 45 mph.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...From midnight tonight to 6 PM MDT Thursday. The heaviest
  snow will occur late tonight, and again Wednesday night through
  about midnight.

* IMPACTS...Travel could be difficult over Salt River Pass at 
  times.

* ADDITIONAL DETAILS...Visibility will be very low at times in
  snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ027>030-141200-
/O.CON.KRIW.WW.Y.0023.210414T0600Z-210415T1800Z/
South Lincoln County-Rock Springs and Green River-Flaming Gorge-
East Sweetwater County-
Including the cities of Kemmerer, Cokeville, Rock Springs, 
Green River, and Wamsutter
826 PM MDT Tue Apr 13 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO NOON MDT THURSDAY...

* WHAT...Snow and blowing snow expected at times. Total snow 
  accumulations of 1 to 3 inches. Winds gusting as high as 50 to 
  60 mph.

* WHERE...South Lincoln County, Rock Springs and Green River, 
  Flaming Gorge and East Sweetwater County.

* WHEN...From midnight tonight to noon MDT Thursday. The first
  round of snow will occur tonight, with a lull expected Wednesday
  morning into early afternoon. Another round of snow is expected
  late Wednesday afternoon into Wednesday night. 

* IMPACTS...Plan on slippery road conditions and very low
  visibilities due to a combination of snow and blowing snow
  especially late tonight, and then again Wednesday night. 

* ADDITIONAL DETAILS...Travel along Interstate 80 may become
  difficult overnight into Wednesday morning, then again Wednesday
  night. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ016-017-141200-
/O.CON.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
Upper Wind River Basin-Wind River Basin-
Including the cities of Dubois, Riverton, and Shoshoni
826 PM MDT Tue Apr 13 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY AFTERNOON...

* WHAT...Periods of snow, possibly heavy at times. Total snow 
  accumulations of 6 to 10 inches possible.

* WHERE...Upper Wind River Basin and Wind River Basin.

* WHEN...From Wednesday afternoon through Thursday afternoon. The
  heaviest snow is expected Wednesday night into Thursday 
  morning.

* IMPACTS...Travel could become difficult across the Wind River
  Basin, mainly Wednesday night into Thursday morning. This
  includes Highway 20...26 and Highway 789.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

WYZ019-141200-
/O.CON.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
826 PM MDT Tue Apr 13 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY AFTERNOON...

* WHAT...Periods of snow, possibly heavy at times. Total snow
  accumulations of 6 to 12 inches possible. Locally higher amounts
  possible over Beaver Rim. Winds could gust as high as 45 mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...From Wednesday afternoon through Thursday afternoon. The
  heaviest snow should occur Wednesday night into Thursday 
  morning.

* IMPACTS...Travel could become very difficult to nearly
  impossible Wednesday night into Thursday morning. 

* ADDITIONAL DETAILS...Whiteout conditions possible in a
  combination of snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

WYZ020-022-141200-
/O.CON.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
826 PM MDT Tue Apr 13 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY AFTERNOON...

* WHAT...Periods of snow, possibly heavy at times. Total snow
  accumulations of around 3 inches in the Casper area and up to 6
  inches across western portions of Natrona County. 6 to 9 inches
  are possible on Casper Mountain.

* WHERE...Natrona County including Casper Mountain.

* WHEN...From Wednesday afternoon through Thursday afternoon.

* IMPACTS...Plan on slippery road conditions. 

* ADDITIONAL DETAILS...Travel along Interstate 25, as well as Highway
  20...26 may become difficult Wednesday night into Thursday 
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

WYZ008-009-141200-
/O.CON.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
826 PM MDT Tue Apr 13 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY AFTERNOON...

* WHAT...Periods of snow, possibly heavy at times. Total snow
  accumulations of 6 to 12 inches on eastern slopes and the 
  southern third of the Bighorn Mountains. 3 to 6 inches on the 
  western slopes and areas north of Powder River Pass.

* WHERE...Bighorn Mountains.

* WHEN...From Wednesday afternoon through Thursday afternoon. The
  heaviest snow is expected Wednesday night into Thursday morning.

* IMPACTS...Travel could be difficult over Powder River Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

WYZ010-011-141200-
/O.CON.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
826 PM MDT Tue Apr 13 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY AFTERNOON...

* WHAT...Periods of snow, possibly heavy at times. Total snow
  accumulations of 3 to 6 inches. Locally higher amounts along the
  foothills.

* WHERE...Johnson County.

* WHEN...From Wednesday afternoon through Thursday afternoon.

* IMPACTS...Plan on slippery road conditions Wednesday night and
  Thursday morning. This includes Interstates 25 and 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

WYZ007-141200-
/O.CON.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
Owl Creek and Bridger Mountains-
826 PM MDT Tue Apr 13 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY AFTERNOON...

* WHAT...Periods of snow, possibly heavy at times. Total snow 
  accumulations of 6 to 12 inches possible.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...From Wednesday afternoon through Thursday afternoon.

* IMPACTS...Travel could be very difficult through the Wind River
  Canyon Wednesday night into Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

Team Riverton/21
551 
WWUS45 KRIW 141035
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
435 AM MDT Wed Apr 14 2021

...Winter Weather Today through Thursday for most of Central and 
Western Wyoming...

.A storm system will bring periods of snow through Thursday 
afternoon. The heaviest period of snow looks to be from late this
afternoon through Thursday morning.

WYZ019-150000-
/O.UPG.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
/O.EXB.KRIW.WS.W.0008.210414T2100Z-210416T0600Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
435 AM MDT Wed Apr 14 2021

...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
MIDNIGHT MDT THURSDAY NIGHT...

* WHAT...Periods of snow. Moderate to Heavy snow is expected
  tonight through Thursday morning. Total snow accumulations of 6
  to 12 inches. Northeast wind 20 to 30 mph, gusting to 40 mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...From 3 PM this afternoon to midnight MDT Thursday night.

* IMPACTS...Travel could become very difficult to nearly
  impossible tonight into Thursday morning. This includes highways
  287 and 220. 

* ADDITIONAL DETAILS...Whiteout conditions are possible due to a 
  combination of snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ016-017-150000-
/O.UPG.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
/O.EXB.KRIW.WS.W.0008.210415T0000Z-210415T1800Z/
Upper Wind River Basin-Wind River Basin-
Including the cities of Dubois, Riverton, and Shoshoni
435 AM MDT Wed Apr 14 2021

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON
MDT THURSDAY...

* WHAT...Periods of light snow today. Moderate to Heavy snow is
  expected tonight into Thursday morning. Total snow accumulations
  will range from 2 inches around Shoshoni, with 6 to 9 inches
  around Riverton and Hudson. Crowheart will see around 6 inches 
  with lesser amounts toward Dubois. 

* WHERE...Upper Wind River Basin and Wind River Basin.

* WHEN...From 6 PM this evening to noon MDT Thursday.

* IMPACTS...Travel could become difficult across parts of the 
  Wind River Basin, mainly tonight into Thursday morning. This 
  includes Highway 20...26, and Highway 789.

* ADDITIONAL DETAILS...Areas of northeast wind gusting to 25 mph
  in the open areas of Fremont County. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ018-150000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
435 AM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
THURSDAY...

* WHAT...Periods of snow today. Moderate to Heavy snow will occur
  tonight into Thursday morning. Total snow accumulations of 10 to
  15 inches. Locally higher amounts possible. 

* WHERE...Lander Foothills.

* WHEN...Now until 6 PM MDT Thursday. 

* IMPACTS...Roads in the Lander Foothills will be slushy to
  snowpacked at times, mainly after sunset through late Thursday
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ015-150000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Wind River Mountains East-
435 AM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
THURSDAY...

* WHAT...Periods of snow, heavy at times, especially tonight into
  Thursday morning. Total snow accumulations of 12 to 18 inches,
  with up to 24 inches possible. Northeast wind gusting as high 
  as 45 mph around South Pass and Atlantic City. 

* WHERE...Wind River Mountains East.

* WHEN...Now until 6 PM MDT Thursday. 

* IMPACTS...Travel could be very difficult to impossible over
  South Pass, tonight into Thursday morning.

* ADDITIONAL DETAILS...Whiteout conditions are possible at times
  in heavy snow and blowing snow. Expect significant drifting of 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ024-150000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Salt River and Wyoming Ranges-
435 AM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
THURSDAY...

* WHAT...Periods of snow, heavy at times. Total snow accumulations
  of 10 to 15 inches. Winds gusting as high as 40 mph in open
  areas.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...Now until 6 PM MDT Thursday. 

* IMPACTS...Travel could be difficult over Salt River Pass at 
  times.

* ADDITIONAL DETAILS...Visibility will be very low at times in 
  snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ010-011-150000-
/O.UPG.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
/O.EXB.KRIW.WW.Y.0023.210415T0600Z-210416T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
435 AM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
6 AM MDT FRIDAY...

* WHAT...Period of Snow. Total snow accumulations of 3 to 5 
  inches.

* WHERE...Northeast Johnson County and Southeast Johnson County.

* WHEN...From Midnight tonight to 6 AM MDT Friday.

* IMPACTS...Plan on slippery road conditions Tonight and Thursday
  morning. This includes Interstates 25 and 90. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ008-009-150000-
/O.UPG.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
/O.EXB.KRIW.WW.Y.0023.210415T0600Z-210416T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
435 AM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MDT FRIDAY...

* WHAT...Periods of Snow. Total snow accumulations of 5 to 9
  inches on the east slopes with 3 to 6 inches on the west slopes.

* WHERE...Bighorn Mountains West and Bighorn Mountains Southeast.

* WHEN...From Midnight tonight to Noon MDT Friday.

* IMPACTS...Travel could be difficult over Powder River Pass at
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ007-150000-
/O.UPG.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
/O.EXB.KRIW.WW.Y.0023.210415T0000Z-210416T1200Z/
Owl Creek and Bridger Mountains-
435 AM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 AM MDT FRIDAY...

* WHAT...Periods of snow. Total snow accumulations of 6 to 10
  inches. Gusty north wind in the Wind River Canyon to 30 mph.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...From 6 PM this evening to 6 AM MDT Friday.

* IMPACTS...Travel could be difficult through the Wind River 
  Canyon late this evening into Thursday morning.

* ADDITIONAL DETAILS...Visibility will be very low at times
  tonight into Thursday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ020-022-150000-
/O.UPG.KRIW.WS.A.0006.210414T1800Z-210416T0000Z/
/O.EXB.KRIW.WW.Y.0023.210415T0000Z-210416T0000Z/
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
435 AM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 PM MDT THURSDAY...

* WHAT...Periods of light snow today. Then periods of moderate to
  heavy snow tonight into Thursday. Total snow accumulations of 3
  to 6 inches. Locally higher amounts possible. East to Northeast
  wind gusting around 25 mph. 

* WHERE...Natrona County Lower Elevations and Casper Mountain.

* WHEN...From 6 PM this evening to 6 PM MDT Thursday.

* IMPACTS...Plan on slippery road conditions late this evening
  through Thursday morning. 

* ADDITIONAL DETAILS...Travel along Interstate 25, as well as
  Highways 20...26, and 220, may become hazardous, due to snow 
  and drifting snow, tonight and Thursday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ005-150000-
/O.EXB.KRIW.WW.Y.0023.210415T0300Z-210415T1800Z/
Southwest Big Horn Basin-
Including the city of Thermopolis
435 AM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
NOON MDT THURSDAY...

* WHAT...Period of Snow. Total snow accumulations of 3 to 5 
  inches.

* WHERE...Southwest Big Horn Basin.

* WHEN...From 9 PM this evening to noon MDT Thursday.

* IMPACTS...Roads may become slushy or slippery late tonight
  through Thursday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ027>030-150000-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210415T1800Z/
South Lincoln County-Rock Springs and Green River-Flaming Gorge-
East Sweetwater County-
Including the cities of Kemmerer, Cokeville, Rock Springs, 
Green River, and Wamsutter
435 AM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
THURSDAY...

* WHAT...Periods of Snow today and tonight. Total snow
  accumulations of 1 to 4 inches. Blowing snow will be common as a
  northeast wind will be gusting 35 to 50 mph across Sweetwater
  county today and tonight. Southern Lincoln county will see an
  east wind gusting around 40 mph at times. 

* WHERE...South Lincoln County, Rock Springs and Green River, 
  Flaming Gorge, and East Sweetwater County.

* WHEN...Now until Noon MDT Thursday. 

* IMPACTS...Plan on slippery road conditions and very low
  visibilities due to a combination of snow and blowing snow today
  and tonight. Interstate 80 and Highway 30 will be impacted with
  hazardous travel at times. 

* ADDITIONAL DETAILS...Sweetwater county will see lulls in the
  snow today. Then a new area of snow will occur this evening, 
  through late tonight. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw
460 
WWUS45 KRIW 141948
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
148 PM MDT Wed Apr 14 2021

...Winter Weather Today through Thursday for most of Central and
Western Wyoming...

.A storm system will bring periods of snow through Thursday
afternoon. The heaviest period of snow looks to be from late this
afternoon through Thursday morning.

WYZ018-151200-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
148 PM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
THURSDAY...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 8 to 12 inches.

* WHERE...Lander Foothills.

* WHEN...Now until 6 PM MDT Thursday.

* IMPACTS...Roads in the Lander Foothills will be slushy to 
  snowpacked at times, mainly after sunset through late Thursday 
  morning.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ015-151200-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Wind River Mountains East-
148 PM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
THURSDAY...

* WHAT...Periods of moderate to heavy snow. Additional snow
  accumulations of 12 to 14 inches.

* WHERE...Wind River Mountains East.

* WHEN...Now until 6 PM MDT Thursday.

* IMPACTS...Travel could be very difficult to impossible over 
  South Pass, tonight into Thursday morning.

* ADDITIONAL DETAILS...Whiteout conditions are possible at times 
  in heavy snow and blowing snow. Expect significant drifting of 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ024-151200-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Salt River and Wyoming Ranges-
148 PM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
THURSDAY...

* WHAT...Periods of moderate to heavy snow. Additional snow
  accumulations of 6 to 10 inches. Winds gusting as high as 45 
  mph.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...Now until 6 PM MDT Thursday.

* IMPACTS...Travel could be difficult over Salt River Pass at 
  times.

* ADDITIONAL DETAILS...Visibility will be very low at times in 
  snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ016-017-151200-
/O.CON.KRIW.WS.W.0008.210415T0000Z-210415T1800Z/
Upper Wind River Basin-Wind River Basin-
Including the cities of Dubois, Riverton, and Shoshoni
148 PM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT THURSDAY...

* WHAT...Moderate to heavy snow expected. Total snow accumulations
  around 2 inches around Shoshoni, with 6 to 9 inches from
  Riverton and Hudson to Crowheart.

* WHERE...Upper Wind River Basin and Wind River Basin.

* WHEN...From 6 PM this evening to noon MDT Thursday.

* IMPACTS...Travel could become difficult across parts of the 
  Wind River Basin, mainly tonight into Thursday morning. This 
  includes Highway 20...26, and Highway 789.

* ADDITIONAL DETAILS...Areas of northeast wind gusting to 25 mph 
  in the open areas of Fremont County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ019-151200-
/O.CON.KRIW.WS.W.0008.210414T2100Z-210416T0600Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
148 PM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
THURSDAY NIGHT...

* WHAT...Moderate to heavy snow expected. Total snow accumulations
  of 6 to 12 inches. Winds gusting as high as 50 mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...From 3 PM this afternoon to late Thursday night.

* IMPACTS...Travel could become very difficult to nearly 
  impossible tonight into Thursday morning. This includes 
  highways 287 and 220.

* ADDITIONAL DETAILS...Whiteout conditions are possible due to a 
  combination of snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ027>030-151200-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210415T1800Z/
South Lincoln County-Rock Springs and Green River-Flaming Gorge-
East Sweetwater County-
Including the cities of Kemmerer, Cokeville, Rock Springs, 
Green River, and Wamsutter
148 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
THURSDAY...

* WHAT...Periods of snow. Additional snow accumulations of 1 to 3
  inches. Winds gusting as high as 50 mph.

* WHERE...South Lincoln County, Rock Springs and Green River, 
  Flaming Gorge, and East Sweetwater County.

* WHEN...Now until Noon MDT Thursday.

* IMPACTS...Plan on slippery road conditions and very low 
  visibilities due to a combination of snow and blowing snow 
  today and tonight. Interstate 80 and Highway 30 will be 
  impacted with hazardous travel at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ010-011-151200-
/O.CON.KRIW.WW.Y.0023.210415T0600Z-210416T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
148 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 AM MDT FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 3 
  to 5 inches.

* WHERE...Northeast Johnson County and Southeast Johnson County.

* WHEN...From Midnight tonight to 6 AM MDT Friday.

* IMPACTS...Plan on slippery road conditions Tonight and 
  Thursday morning. This includes Interstates 25 and 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ008-009-151200-
/O.CON.KRIW.WW.Y.0023.210415T0600Z-210416T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
148 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO NOON MDT FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 5
  to 9 inches on the eastern slopes, with 3 to 6 inches on the
  western slopes.

* WHERE...Bighorn Mountains West and Bighorn Mountains Southeast.

* WHEN...From Midnight tonight to Noon MDT Friday.

* IMPACTS...Travel could be difficult over Powder River Pass at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ007-151200-
/O.CON.KRIW.WW.Y.0023.210415T0000Z-210416T1200Z/
Owl Creek and Bridger Mountains-
148 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM MDT FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 6 
  to 10 inches.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...From 6 PM this evening to 6 AM MDT Friday.

* IMPACTS...Travel could be difficult through the Wind River 
  Canyon late this evening into Thursday morning.

* ADDITIONAL DETAILS...Visibility will be very low at times 
  tonight into Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ020-022-151200-
/O.CON.KRIW.WW.Y.0023.210415T0000Z-210416T0000Z/
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
148 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 PM MDT THURSDAY...

* WHAT...Periods of snow increasing this afternoon and tonight.
  Total snow accumulations of 3 to 6 inches.

* WHERE...Natrona County Lower Elevations and Casper Mountain.

* WHEN...From 6 PM this evening to 6 PM MDT Thursday.

* IMPACTS...Plan on slippery road conditions late this evening 
  through Thursday morning.

* ADDITIONAL DETAILS...Travel along Interstate 25, as well as 
  Highways 20...26, and 220, may become hazardous, due to snow 
  and drifting snow, tonight and Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ005-151200-
/O.CON.KRIW.WW.Y.0023.210415T0300Z-210415T1800Z/
Southwest Big Horn Basin-
Including the city of Thermopolis
148 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO NOON MDT THURSDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 2 
  to 4 inches.

* WHERE...Southwest Big Horn Basin.

* WHEN...From 9 PM this evening to noon MDT Thursday.

* IMPACTS...Roads may become slushy or slippery late tonight 
  through Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw
030 
WWUS45 KRIW 150211
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
811 PM MDT Wed Apr 14 2021

...A Winter Storm impacting for most of Central and Western 
Wyoming through Thursday...

.A storm system will bring widespread snow across much of the area
through Thursday, lingering over Johnson County through Thursday
night. The heaviest snow for this winter storm will occur in most
locations tonight.

WYZ018-151200-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
811 PM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
THURSDAY...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 8 to 12 inches.

* WHERE...Lander Foothills.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Roads in the Lander Foothills will be slushy to
  snowpacked through Thursday morning. 

* ADDITIONAL DETAILS...As of 6 PM Wednesday, around 3 inches of
  snow has accumulated in the Lander area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ015-151200-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Wind River Mountains East-
811 PM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
THURSDAY...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 12 to 14 inches.

* WHERE...Wind River Mountains East.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel will be very difficult to impossible over South
  Pass through Thursday morning. Roads may become closed.

* ADDITIONAL DETAILS...Whiteout conditions are likely at times in
  heavy snow and blowing snow. Expect significant drifting of 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ024-151200-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Salt River and Wyoming Ranges-
811 PM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
THURSDAY...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 6 to 10 inches. Winds gusting as high as 45 
  mph.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel could be difficult over Salt River Pass at 
  times.

* ADDITIONAL DETAILS...Visibility will be very low at times in 
  snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ016-017-151200-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210415T1800Z/
Upper Wind River Basin-Wind River Basin-
Including the cities of Dubois, Riverton, and Shoshoni
811 PM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
THURSDAY...

* WHAT...Moderate to heavy snow expected. Total snow 
  accumulations around 2 inches around Shoshoni, with 6 to 9 
  inches from Riverton and Hudson to Crowheart.

* WHERE...Upper Wind River Basin and Wind River Basin.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Travel will be difficult across parts of the Wind 
  River Basin, mainly tonight into Thursday morning. This includes
  Highway 20...26, and Highway 789.

* ADDITIONAL DETAILS...As of 6 PM, 2.3 inches of snow has
  accumulated at the Central Wyoming Regional Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ019-151200-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0600Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
811 PM MDT Wed Apr 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
THURSDAY NIGHT...

* WHAT...Moderate to heavy snow expected. Total snow 
  accumulations of 6 to 12 inches. Winds gusting as high as 50 
  mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...Until midnight MDT Thursday night.

* IMPACTS...Travel will be very difficult to nearly impossible
  tonight into Thursday morning. This includes highways 287 and
  220. Roads may become closed.

* ADDITIONAL DETAILS...Whiteout conditions are likely due to a 
  combination of snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ027>030-151200-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210415T1800Z/
South Lincoln County-Rock Springs and Green River-Flaming Gorge-
East Sweetwater County-
Including the cities of Kemmerer, Cokeville, Rock Springs, 
Green River, and Wamsutter
811 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
THURSDAY...

* WHAT...Periods of snow. Additional snow accumulations of 1 to 
  3 inches. Winds gusting as high as 50 mph.

* WHERE...South Lincoln County, Rock Springs and Green River, 
  Flaming Gorge, and East Sweetwater County.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Plan on slippery road conditions and very low
  visibilities due to a combination of snow and blowing snow
  tonight. Interstate 80 and Highway 30 will be impacted with
  hazardous travel. Roads could be closed.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ010-011-151200-
/O.CON.KRIW.WW.Y.0023.210415T0600Z-210416T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
811 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 AM MDT FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 3 
  to 5 inches.

* WHERE...Johnson County.

* WHEN...From midnight tonight to 6 AM MDT Friday.

* IMPACTS...Plan on slippery road conditions tonight and Thursday
  morning. This includes Interstates 25 and 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ008-009-151200-
/O.CON.KRIW.WW.Y.0023.210415T0600Z-210416T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
811 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO NOON MDT FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 5 
  to 9 inches on the eastern slopes, with 3 to 6 inches on the 
  western slopes.

* WHERE...Bighorn Mountains.

* WHEN...From midnight tonight to noon MDT Friday.

* IMPACTS...Travel could be difficult over Powder River Pass at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ007-151200-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Owl Creek and Bridger Mountains-
811 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 6 
  to 10 inches.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Travel could be difficult through the Wind River
  Canyon tonight into Thursday morning.

* ADDITIONAL DETAILS...Visibility will be very low at times 
  tonight into Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ020-022-151200-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
811 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
THURSDAY...

* WHAT...Periods of snow, heavy at times. Total snow 
  accumulations of 3 to 6 inches.

* WHERE...Natrona County Lower Elevations and Casper Mountain.

* WHEN...Until 6 PM MDT Thursday. The heaviest snow will occur
  tonight. 

* IMPACTS...Plan on slippery road conditions tonight into Thursday
  morning.

* ADDITIONAL DETAILS...Travel along Interstate 25, as well as 
  Highways 20...26, and 220, may become hazardous, due to snow 
  and drifting snow, tonight and Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ005-151200-
/O.CON.KRIW.WW.Y.0023.210415T0300Z-210415T1800Z/
Southwest Big Horn Basin-
Including the city of Thermopolis
811 PM MDT Wed Apr 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
THURSDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 2 
  to 4 inches.

* WHERE...Southwest Big Horn Basin.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Roads may become slushy or slippery late tonight 
  through Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Team Riverton/21
758 
WWUS45 KRIW 151029
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
429 AM MDT Thu Apr 15 2021

...A Winter Storm continues to impact much of Central and Western
Wyoming Thursday...

.A storm system will bring widespread snow across much of the
area through Thursday, lingering over Johnson County through
Thursday night. The heaviest snow for this winter storm will
occur in most locations Thursday morning.

WYZ018-151830-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
429 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow
  accumulations of 3 to 5 inches.

* WHERE...Lander Foothills.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Roads in the Lander Foothills will be slushy to 
  snowpacked through Thursday morning.

* ADDITIONAL DETAILS...As of 11 PM Wednesday, around 5 inches of 
  snow has accumulated in the Lander area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ015-151830-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Wind River Mountains East-
429 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow
  accumulations of 4 to 6 inches.

* WHERE...Wind River Mountains East.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel will be very difficult to impossible over 
  South Pass through Thursday morning. Roads may become closed.

* ADDITIONAL DETAILS...Whiteout conditions are likely at times 
  in heavy snow and blowing snow. Expect significant drifting of 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ024-151830-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Salt River and Wyoming Ranges-
429 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow
  accumulations of 3 to 5 inches. 

* WHERE...Salt River and Wyoming Ranges.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel could be difficult over Salt River Pass at 
  times.

* ADDITIONAL DETAILS...Visibility will be very low at times in
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ016-017-151800-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210415T1800Z/
Upper Wind River Basin-Wind River Basin-
Including the cities of Dubois, Riverton, and Shoshoni
429 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

* WHAT...Moderate to heavy snow expected. Additional snow
  accumulations around an inch around Dubois, with 3 to 4 inches 
  from Riverton and Hudson to Crowheart.

* WHERE...Upper Wind River Basin and Wind River Basin.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Travel will be difficult across parts of the Wind
  River Basin this morning. This includes Highway 20...26, and 
  Highway 789.

* ADDITIONAL DETAILS...As of 12 AM, 4.8 inches of snow has 
  accumulated at the Central Wyoming Regional Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ019-151830-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0600Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
429 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Moderate to heavy snow expected. Additional snow
  accumulations of 3 to 4 inches. Winds gusting as high as 25 
  mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...Until midnight MDT Thursday night.

* IMPACTS...Travel will be very difficult to nearly impossible
  Thursday morning. This includes highways 287 and 220. Roads may
  become closed.

* ADDITIONAL DETAILS...Whiteout conditions are likely due to a 
  combination of snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ027>030-151800-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210415T1800Z/
South Lincoln County-Rock Springs and Green River-Flaming Gorge-
East Sweetwater County-
Including the cities of Kemmerer, Cokeville, Rock Springs, 
Green River, and Wamsutter
429 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

* WHAT...Periods of snow. Additional snow accumulations up to 1
  inch. 1 to 2 inches expected over eastern portions of Sweetwater
  County.

* WHERE...South Lincoln County, Rock Springs and Green River, 
  Flaming Gorge, and East Sweetwater County.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Plan on slippery road conditions and very low 
  visibilities, due to a combination of snow and blowing snow 
  tonight. Interstate 80 and Highway 30 will be impacted with 
  hazardous travel. Roads could be closed.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ010-011-151830-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
429 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 3 
  to 5 inches. Locally higher amounts up to 7 inches possible. 

* WHERE...Johnson County.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Plan on slippery road conditions Thursday morning. 
  This includes Interstates 25 and 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ008-009-151830-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
429 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 5 
  to 9 inches on the eastern slopes, with 3 to 6 inches on the 
  western slopes.

* WHERE...Bighorn Mountains.

* WHEN...Until noon MDT Friday.

* IMPACTS...Travel could be difficult over Powder River Pass at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ007-151830-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Owl Creek and Bridger Mountains-
429 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 6 
  to 10 inches.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Travel could be difficult through the Wind River
  Canyon Thursday morning.

* ADDITIONAL DETAILS...Visibility will be very low at times  
  Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ020-022-151830-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
429 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of snow, heavy at times. Total snow 
  accumulations of 3 to 6 inches.

* WHERE...Natrona County Lower Elevations and Casper Mountain.

* WHEN...Until 6 PM MDT Thursday. The heaviest snow will occur
  Thursday morning.

* IMPACTS...Plan on slippery road conditions Thursday morning.

* ADDITIONAL DETAILS...Travel along Interstate 25, as well as
  Highways 20...26, and 220, may become hazardous, due to snow and
  drifting snow Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ005-151800-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210415T1800Z/
Southwest Big Horn Basin-
Including the city of Thermopolis
429 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

* WHAT...Periods of snow expected. Total snow accumulations of 2 
  to 4 inches.

* WHERE...Southwest Big Horn Basin.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Roads may become slushy or slippery late tonight 
  through Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw
991 
WWUS45 KRIW 151127
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
527 AM MDT Thu Apr 15 2021

...A Winter Storm continues to impact much of Central and Western
Wyoming Thursday...

.A storm system will bring widespread snow across much of the
area through Thursday, lingering over Johnson County through
Thursday night. The heaviest snow for this winter storm will
occur in most locations Thursday morning.

WYZ018-151930-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
527 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 3 to 5 inches.

* WHERE...Lander Foothills.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Roads in the Lander Foothills will be slushy to 
  snowpacked through Thursday morning.

* ADDITIONAL DETAILS...As of 11 PM Wednesday, around 5 inches of 
  snow has accumulated in the Lander area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ015-151930-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Wind River Mountains East-
527 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 4 to 6 inches.

* WHERE...Wind River Mountains East.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel will be very difficult to impossible over 
  South Pass through Thursday morning. Roads may become closed.

* ADDITIONAL DETAILS...Whiteout conditions are likely at times 
  in heavy snow and blowing snow. Expect significant drifting of 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ024-151930-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Salt River and Wyoming Ranges-
527 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 3 to 5 inches.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel could be difficult over Salt River Pass at 
  times.

* ADDITIONAL DETAILS...Visibility will be very low at times in 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ016-017-151800-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210415T1800Z/
Upper Wind River Basin-Wind River Basin-
Including the cities of Dubois, Riverton, and Shoshoni
527 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

* WHAT...Moderate to heavy snow expected. Additional snow 
  accumulations around an inch around Dubois, with 3 to 4 inches 
  from Riverton and Hudson to Crowheart.

* WHERE...Upper Wind River Basin and Wind River Basin.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Travel will be difficult across parts of the Wind 
  River Basin this morning. This includes Highway 20...26, and 
  Highway 789.

* ADDITIONAL DETAILS...As of 12 AM, 4.8 inches of snow has 
  accumulated at the Central Wyoming Regional Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ019-151930-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0600Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
527 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Moderate to heavy snow expected. Additional snow 
  accumulations of 3 to 4 inches. Winds gusting as high as 25 
  mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...Until midnight MDT Thursday night.

* IMPACTS...Travel will be very difficult to nearly impossible 
  Thursday morning. This includes highways 287 and 220. Roads 
  may become closed.

* ADDITIONAL DETAILS...Whiteout conditions are likely due to a 
  combination of snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ006-151800-
/O.EXA.KRIW.WW.Y.0023.000000T0000Z-210415T1800Z/
Southeast Big Horn Basin-
Including the cities of Ten Sleep and Worland
527 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT TODAY...

* WHAT...Snow. Total snow accumulations of 2 to 3 inches. Locally
  higher amounts of 4 to 5 inches possible near Ten Sleep and Big
  Trails.

* WHERE...Southeast Big Horn Basin.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Roads may become slushy or slippery through Thursday
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ027>030-151800-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210415T1800Z/
South Lincoln County-Rock Springs and Green River-Flaming Gorge-
East Sweetwater County-
Including the cities of Kemmerer, Cokeville, Rock Springs, 
Green River, and Wamsutter
527 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

* WHAT...Periods of snow. Additional snow accumulations up to 1 
  inch. 1 to 2 inches expected over eastern portions of 
  Sweetwater County.

* WHERE...South Lincoln County, Rock Springs and Green River, 
  Flaming Gorge, and East Sweetwater County.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Plan on slippery road conditions and very low 
  visibilities, due to a combination of snow and blowing snow 
  tonight. Interstate 80 and Highway 30 will be impacted with 
  hazardous travel. Roads could be closed.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ010-011-151930-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
527 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 3 
  to 5 inches. Locally higher amounts up to 7 inches possible.

* WHERE...Johnson County.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Plan on slippery road conditions Thursday morning. 
  This includes Interstates 25 and 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ008-009-151930-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
527 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 5
  to 10 inches on the eastern slopes, with 3 to 6 inches on the 
  western slopes.

* WHERE...Bighorn Mountains.

* WHEN...Until noon MDT Friday.

* IMPACTS...Travel could be difficult over Powder River Pass at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ007-151930-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Owl Creek and Bridger Mountains-
527 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 6 
  to 10 inches.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Travel could be difficult through the Wind River 
  Canyon Thursday morning.

* ADDITIONAL DETAILS...Visibility will be very low at times 
  Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ020-022-151930-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
527 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of snow, heavy at times. Total snow 
  accumulations of 3 to 6 inches.

* WHERE...Natrona County Lower Elevations and Casper Mountain.

* WHEN...Until 6 PM MDT Thursday. The heaviest snow will occur 
  Thursday morning.

* IMPACTS...Plan on slippery road conditions Thursday morning.

* ADDITIONAL DETAILS...Travel along Interstate 25, as well as 
  Highways 20...26, and 220, may become hazardous, due to snow 
  and drifting snow Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ005-151800-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210415T1800Z/
Southwest Big Horn Basin-
Including the city of Thermopolis
527 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

* WHAT...Periods of snow expected. Total snow accumulations of 2 
  to 4 inches.

* WHERE...Southwest Big Horn Basin.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Roads may become slushy or slippery through Thursday 
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw
601 
WWUS45 KRIW 151748
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1148 AM MDT Thu Apr 15 2021

...A Winter Storm continues to impact much of Central and Western
Wyoming Thursday...

.A storm system will bring widespread snow across much of the
area today. Scattered snow showers will continue with light 
accumulations expected.

WYZ027>030-151900-
/O.EXP.KRIW.WW.Y.0023.000000T0000Z-210415T1800Z/
South Lincoln County-Rock Springs and Green River-Flaming Gorge-
East Sweetwater County-
Including the cities of Kemmerer, Cokeville, Rock Springs, 
Green River, and Wamsutter
1148 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON MDT TODAY...

Snow showers have decreased in coverage and the advisory will be
allowed to expire. Isolated showers still possible through the 
day.

$$

WYZ016-017-152100-
/O.EXT.KRIW.WS.W.0008.000000T0000Z-210415T2100Z/
Upper Wind River Basin-Wind River Basin-
Including the cities of Dubois, Riverton, and Shoshoni
1148 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 3 PM MDT THIS
AFTERNOON...

* WHAT...Moderate to heavy snow expected. Additional snow
  accumulations around an inch around Dubois, with 1 to 3 inches 
  from Riverton and Hudson to Crowheart.

* WHERE...Upper Wind River Basin and Wind River Basin.

* WHEN...Until 3 PM MDT this afternoon.

* IMPACTS...Travel will be difficult across parts of the Wind
  River Basin this morning. This includes Highway 20...26, and
  Highway 789.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ018-160000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
1148 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 3 to 5 inches.

* WHERE...Lander Foothills.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Roads in the Lander Foothills will be slushy to
  snowpacked through Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ015-160000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Wind River Mountains East-
1148 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 4 to 6 inches.

* WHERE...Wind River Mountains East.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel will be very difficult to impossible over 
  South Pass through Thursday morning. Roads may become closed.

* ADDITIONAL DETAILS...Whiteout conditions are likely at times 
  in heavy snow and blowing snow. Expect significant drifting of 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ024-160000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Salt River and Wyoming Ranges-
1148 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 3 to 5 inches.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel could be difficult over Salt River Pass at 
  times.

* ADDITIONAL DETAILS...Visibility will be very low at times in 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ019-160100-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0600Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
1148 AM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Moderate to heavy snow expected. Additional snow 
  accumulations of 3 to 4 inches. Winds gusting as high as 25 
  mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...Until midnight MDT Thursday night.

* IMPACTS...Travel will be very difficult to nearly impossible 
  Thursday morning. This includes highways 287 and 220. Roads 
  may become closed.

* ADDITIONAL DETAILS...Whiteout conditions are likely due to a 
  combination of snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ005-006-160000-
/O.EXT.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Southwest Big Horn Basin-Southeast Big Horn Basin-
Including the cities of Thermopolis, Ten Sleep, and Worland
1148 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of snow expected. Total snow accumulations of 2 
  to 4 inches.

* WHERE...Southwest Big Horn Basin.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Roads may still be slushy or slippery through Thursday
  afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ010-011-160100-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
1148 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 3 
  to 5 inches. Locally higher amounts up to 7 inches possible.

* WHERE...Johnson County.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Slippery road conditions still may exist through this
  afternoon. This includes Interstates 25 and 90.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ008-009-160100-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
1148 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 5 
  to 10 inches on the eastern slopes, with 3 to 6 inches on the 
  western slopes.

* WHERE...Bighorn Mountains.

* WHEN...Until noon MDT Friday.

* IMPACTS...Travel could be difficult over Powder River Pass at
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ007-160100-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Owl Creek and Bridger Mountains-
1148 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 6 
  to 10 inches.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Travel could be difficult through the Wind River
  Canyon through this afternoon.

* ADDITIONAL DETAILS...Visibility will be very low at times
  through this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ020-022-160000-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
1148 AM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of snow, heavy at times. Total snow 
  accumulations of 3 to 6 inches.

* WHERE...Natrona County Lower Elevations and Casper Mountain.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Plan on slippery road conditions through this
  afternoon.

* ADDITIONAL DETAILS...Travel along Interstate 25, as well as
  Highways 20...26, and 220, may become hazardous, due to snow and
  drifting snow through this evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw
897 
WWUS45 KRIW 152048
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
248 PM MDT Thu Apr 15 2021

...A Winter Storm continues to impact much of Central and Western
Wyoming Thursday...

.A storm system will bring widespread snow across much of the
area today. Scattered snow showers will continue with light
accumulations expected.

WYZ016-017-152200-
/O.EXP.KRIW.WS.W.0008.000000T0000Z-210415T2100Z/
Upper Wind River Basin-Wind River Basin-
Including the cities of Dubois, Riverton, and Shoshoni
248 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING WILL EXPIRE AT 3 PM MDT THIS AFTERNOON...

Snow showers have decreased in coverage and the advisory will be
allowed to expire. Isolated showers still possible through the 
day.

$$

WYZ018-160000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
248 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 3 to 5 inches.

* WHERE...Lander Foothills.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Roads in the Lander Foothills will be slushy to 
  snowpacked through Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ015-160000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Wind River Mountains East-
248 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 4 to 6 inches.

* WHERE...Wind River Mountains East.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel will be very difficult to impossible over 
  South Pass through Thursday morning. Roads may become closed.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ024-160000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Salt River and Wyoming Ranges-
248 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow 
  accumulations of 3 to 5 inches.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel could be difficult over Salt River Pass at 
  times.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ019-160600-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0600Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
248 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Moderate to heavy snow expected. Additional snow 
  accumulations of 3 to 4 inches. Winds gusting as high as 25 
  mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...Until midnight MDT Thursday night.

* IMPACTS...Travel will be very difficult to nearly impossible 
  Thursday morning. This includes highways 287 and 220. Roads 
  may become closed.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ010-011-160700-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
248 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 3 
  to 5 inches. Locally higher amounts up to 7 inches possible.

* WHERE...Johnson County.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Slippery road conditions still may exist through 
  this afternoon. This includes Interstates 25 and 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ008-009-160700-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
248 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 5 
  to 10 inches on the eastern slopes, with 3 to 6 inches on the 
  western slopes.

* WHERE...Bighorn Mountains.

* WHEN...Until noon MDT Friday.

* IMPACTS...Travel could be difficult over Powder River Pass at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ007-160700-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Owl Creek and Bridger Mountains-
248 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 6 
  to 10 inches.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Travel could be difficult through the Wind River 
  Canyon through this afternoon.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ020-022-160000-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
248 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of snow, heavy at times. Total snow 
  accumulations of 3 to 6 inches.

* WHERE...Natrona County Lower Elevations and Casper Mountain.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Plan on slippery road conditions through this 
  afternoon.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ005-006-160000-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Southwest Big Horn Basin-Southeast Big Horn Basin-
Including the cities of Thermopolis, Ten Sleep, and Worland
248 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of snow expected. Total snow accumulations of 2 
  to 4 inches.

* WHERE...Southwest Big Horn Basin.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Roads may still be slushy or slippery through 
  Thursday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw
271 
WWUS45 KRIW 152222
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
422 PM MDT Thu Apr 15 2021

...A Winter Storm continues to impact much of Central and Western
Wyoming Thursday...

.A storm system will bring widespread snow across much of the
area today. Scattered snow showers will continue with light
accumulations expected.

WYZ018-160000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
422 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of snow. Additional snow accumulations a coating
  to an inch or two.

* WHERE...Lander Foothills.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Roads in the Lander Foothills will be slushy to
  snowpacked through Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ015-160000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Wind River Mountains East-
422 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of snow. Additional snow accumulations of 1 to 2
  inches.

* WHERE...Wind River Mountains East.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel will be very difficult to impossible over South
  Pass through Thursday morning. Roads may become closed.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ024-160000-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Salt River and Wyoming Ranges-
422 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of moderate to heavy snow. Additional snow
  accumulations of coating to an inch or two.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Travel could be difficult over Salt River Pass at
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ019-160600-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0600Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
422 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Moderate to heavy snow expected. Additional snow
  accumulations of 1 to 3 inches. 

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...Until midnight MDT Thursday night.

* IMPACTS...Travel will be difficult at times. This includes 
  highways 287 and 220. Roads may become closed.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ010-011-160600-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
422 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 3 
  to 5 inches. Locally higher amounts up to 7 inches possible.

* WHERE...Johnson County.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Slippery road conditions still may exist through this
  afternoon. This includes Interstates 25 and 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ008-009-160600-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
422 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 5 
  to 10 inches on the eastern slopes, with 3 to 6 inches on the 
  western slopes.

* WHERE...Bighorn Mountains.

* WHEN...Until noon MDT Friday.

* IMPACTS...Travel could be difficult over Powder River Pass at
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ007-160600-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Owl Creek and Bridger Mountains-
422 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 6 
  to 10 inches.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Travel could be difficult through the Wind River
  Canyon through this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ020-022-160000-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
422 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of snow. Total snow accumulations of 3 to 6 
  inches.

* WHERE...Natrona County Lower Elevations and Casper Mountain.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Plan on slippery road conditions through this 
  afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ005-006-160000-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Southwest Big Horn Basin-Southeast Big Horn Basin-
Including the cities of Thermopolis, Ten Sleep, and Worland
422 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of snow expected. Total snow accumulations of 2 
  to 4 inches.

* WHERE...Southwest Big Horn Basin.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Roads may still be slushy or slippery through Thursday
  afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw
955 
WWUS45 KRIW 160001
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
601 PM MDT Thu Apr 15 2021

...A Winter Storm continues to impact portions of Central and 
Western Wyoming tonight...

.A storm system will continue to bring periods of snow across 
portions of the area today. Scattered snow showers will continue 
with light accumulations expected in other areas.

WYZ018-160115-
/O.EXP.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Lander Foothills-
Including the city of Lander
601 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

Steady snow is coming to an end. Snow showers through tonight may
leave local accumulations of an inch or two.

$$

WYZ015-160115-
/O.EXP.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Wind River Mountains East-
601 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

Steady snow is coming to an end. Snow showers through tonight may
leave local accumulations of an inch or two.

$$

WYZ024-160115-
/O.EXP.KRIW.WS.W.0008.000000T0000Z-210416T0000Z/
Salt River and Wyoming Ranges-
601 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

Steady snow is coming to an end. Snow showers through tonight may
leave local accumulations of an inch or two.

$$

WYZ020-022-160115-
/O.EXP.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
601 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING...

Steady snow is coming to an end. Snow showers through tonight may
leave local accumulations of an inch or two.

$$

WYZ005-006-160115-
/O.EXP.KRIW.WW.Y.0023.000000T0000Z-210416T0000Z/
Southwest Big Horn Basin-Southeast Big Horn Basin-
Including the cities of Thermopolis, Ten Sleep, and Worland
601 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING...

Steady snow is coming to an end. Snow showers through tonight may
leave local accumulations of an inch or two.

$$

WYZ019-160600-
/O.CON.KRIW.WS.W.0008.000000T0000Z-210416T0600Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
601 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Periods of snow expected. Additional snow accumulations 
  of 1 to 3 inches.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...Until midnight MDT Thursday night.

* IMPACTS...Travel will be difficult at times. This includes
  highways 287 and 220. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ010-011-160815-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
601 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 3 
  to 5 inches. Locally higher amounts up to 7 inches possible.

* WHERE...Johnson County.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Slippery road conditions still may exist tonight. 
  This includes Interstates 25 and 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ008-009-160815-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
601 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 5 
  to 10 inches on the eastern slopes, with 3 to 6 inches on the 
  western slopes.

* WHERE...Bighorn Mountains.

* WHEN...Until noon MDT Friday.

* IMPACTS...Travel could be difficult over Powder River Pass at
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ007-160815-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Owl Creek and Bridger Mountains-
601 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Total snow accumulations of 6 
  to 10 inches.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Travel could be difficult through the Wind River 
  Canyon through this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw
747 
WWUS45 KRIW 160542
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1142 PM MDT Thu Apr 15 2021

...A Winter Storm continues to impact portions of Central Wyoming
tonight...

.A storm system will continue to bring periods of snow across
portions of the area tonight. Scattered snow showers will 
continue with light accumulations expected in other areas.

WYZ019-160645-
/O.EXP.KRIW.WS.W.0008.000000T0000Z-210416T0600Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
1142 PM MDT Thu Apr 15 2021

...WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT...

Light snow will continue to fall over the next several hours, but
no additional accumulations are expected, so the Winter Storm 
Warning will be allowed to expire at Midnight. With light snow 
still falling and temperatures remaining below freezing, roads may
remain slick overnight.

$$

WYZ010-011-161200-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
1142 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Additional snow accumulations 
  of 1 to 3 inches are expected.

* WHERE...Johnson County.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Slippery road conditions still may exist tonight. 
  This includes Interstates 25 and 90.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ008-009-161200-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
1142 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
FRIDAY...

* WHAT...Periods of snow expected. Additional snow accumulations
  of 3 to 5 inches are expected.

* WHERE...Bighorn Mountains.

* WHEN...Until noon MDT Friday.

* IMPACTS...Travel could be difficult over Powder River Pass at
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ007-161200-
/O.CON.KRIW.WW.Y.0023.000000T0000Z-210416T1200Z/
Owl Creek and Bridger Mountains-
1142 PM MDT Thu Apr 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

* WHAT...Periods of snow expected. Additional snow accumulations
  of 3 to 5 inches are expected. 

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Travel could be difficult through the Wind River
  Canyon tonight.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw

The office that day

Everything else NWS Riverton, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 13, 3:27 AM MDTWinter Storm WatchRIWFremont, Lincoln, Sublette12 hr
Apr 13, 3:37 PM MDTWinter Storm WatchRIWBig Horn, Fremont, Hot Springs, Johnson, Natrona, Sweetwater and 1 more13 hr
Apr 13, 3:37 PM MDTWinter Weather AdvisoryRIWBig Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 2 more68 hr

Nearby

Winter Storm Warnings in Wyoming, 2021Every winter storm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.