Alert archive / Utah / Winter Storm Warnings in 2021

Winter Storm Warning 10, NWS Salt Lake City, UT

December 25, 202119 counties in Utah

NWS Salt Lake City, UT issued this winter storm warning at Dec 25, 2021, 2:13 AM MST for 19 counties in Utah. It took effect at Dec 25, 2021, 11:00 PM MST. It was in force for 16 hr. 37 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 25, 2021, 2:13 AM MST (09:13 UTC)
In effect from
Dec 25, 2021, 11:00 PM MST
Expired
Dec 26, 2021, 2:32 PM MST
In force
16 hr
Issued by
NWS Salt Lake City, UT

Counties Beaver County, UT, Box Elder County, UT, Cache County, UT, Davis County, UT, Duchesne County, UT, Garfield County, UT, Iron County, UT, Juab County, UT, Kane County, UT, Morgan County, UT, Piute County, UT, Rich County, UT, Salt Lake County, UT, Summit County, UT, Utah County, UT, Wasatch County, UT, Washington County, UT, Wayne County, UT, Weber County, UT

The radar

The Salt Lake City radar (KMTX), 172 km from the middle of the area, began a volume at 09:11 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.

What was reported inside it

TimeReportWhereRemark
Dec 26, 7:00 AM MSTSNOW 0.2Beaver, UT
Dec 26, 7:00 AM MSTSNOW 0.3Richmond, UT
Dec 26, 7:00 AM MSTSNOW 0.5Hyde Park, UT
Dec 26, 7:00 AM MSTSNOW 0.5Hyrum, UT
Dec 26, 7:00 AM MSTSNOW 0.7Newcastle, UT
Dec 26, 7:00 AM MSTSNOW 0.8Farmington, UT
Dec 26, 7:00 AM MSTSNOW 1Logan, UT
Dec 26, 7:30 AM MSTSNOW 0.3Cedar City, UT
Dec 26, 7:36 AM MSTSNOW 2Powder Mtn, UTPOWDER MOUNTAIN - 0 FT
Dec 26, 8:00 AM MSTSNOW 0.2Bear River, UT
Dec 26, 8:00 AM MSTSNOW 0.2Perry, UT
Dec 26, 8:00 AM MSTSNOW 0.4Callao, UT
Dec 26, 8:00 AM MSTSNOW 0.6Marysvale, UT
Dec 26, 8:00 AM MSTSNOW 0.8Mantua, UT
Dec 26, 8:00 AM MSTSNOW 0.8Nibley, UT
Dec 26, 8:00 AM MSTSNOW 2Park City, UT
Dec 26, 8:00 AM MSTSNOW 2.5Randolph, UT
Dec 26, 8:00 AM MSTSNOW 4Heber City, UT
Dec 26, 8:23 AM MSTSNOW 2Eden, UT
Dec 26, 8:30 AM MSTSNOW 1.5River Hgts, UT
Dec 26, 9:00 AM MSTSNOW 0.4Cottonwood Hgts, UT
Dec 26, 9:00 AM MSTSNOW 0.5Heber City, UT
Dec 26, 9:00 AM MSTSNOW 1.5Murray, UT
Dec 26, 9:20 AM MSTSNOW 1.5Salt Lake City, UT
Dec 26, 10:02 AM MSTSNOW 0.8Bountiful, UT
Dec 26, 10:20 AM MSTSNOW 0.91 E Bountiful, UT
Dec 26, 10:20 AM MSTSNOW 5Summit Park, UT
Dec 26, 10:21 AM MSTSNOW 2.5Sugarhouse, UT
Dec 26, 10:22 AM MSTSNOW 0.3Sandy, UT
Dec 26, 10:50 AM MSTSNOW 1Univ Of Utah, UT
Dec 26, 11:00 AM MSTSNOW 2South Ogden, UT
Dec 26, 12:13 PM MSTSNOW 2.31 E Logan, UT
Dec 26, 12:17 PM MSTSNOW 1.61 Se Salt Lake City, UT
Dec 26, 12:46 PM MSTSNOW 2Spanish Fork, UT
Dec 26, 1:04 PM MSTSNOW 1.2North Salt Lake, UT
Dec 26, 1:30 PM MSTSNOW 8Brighton, UT
Dec 26, 2:23 PM MSTSNOW 1.8Ogden, UT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 9.2 hours before the alert went out and 113 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, Salt Lake City I, UT at 00:00Z on 2021-12-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 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, Salt Lake City I, UT at 00:00Z on 2021-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.1939587897117136Sfc1 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
6 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1200 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

420 
WWUS45 KSLC 250913
WSWSLC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
213 AM MST Sat Dec 25 2021

UTZ110>112-251715-
/O.NEW.KSLC.WS.W.0010.211226T0600Z-211227T0300Z/
/O.CON.KSLC.WS.W.0009.000000T0000Z-211225T1200Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the cities of Mantua, Logan Summit, Alta, Brighton, 
Mirror Lake Highway, and Moon Lake
213 AM MST Sat Dec 25 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY
THIS MORNING...
...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 PM
MST SUNDAY...

* WHAT...Through 5 AM this morning...additional snow accumulations
  of up to one inch. For the second Winter Storm Warning, heavy
  snow expected. Total snow accumulations of 8 to 18 inches with
  locally higher amounts particularly across the Logan area
  mountains and the upper Cottonwoods.
  
* WHERE...Wasatch Mountains and Western Uinta Mountains.

* WHEN...For the first Winter Storm Warning, until 5 AM MST 
  early this morning. For the second Winter Storm Warning, from 
  11 PM this evening to 8 PM MST Sunday.

* IMPACTS...Travel could be very difficult to impossible
  particularly late Saturday night into early Sunday afternoon.
  Winter driving conditions can be expected, along with potential
  traction restrictions.

* ADDITIONAL DETAILS...A second winter storm is expected to impact
  the northern Utah mountains. A band of heavy snow associated
  with a cold front is expected to produce very heavy snowfall
  rates Sunday morning into early Sunday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ125-251715-
/O.NEW.KSLC.WS.W.0010.211226T0600Z-211227T0000Z/
Southern Mountains-
Including the cities of Brian Head and Alton
213 AM MST Sat Dec 25 2021

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
MST SUNDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 
  inches, mainly near Brian Head and the Pine Valley mountains. 
  Lesser accumulations can be expected across eastern portions of 
  the southern mountains. 

* WHERE...Southern Mountains.

* WHEN...From 11 PM this evening to 5 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on mountain
  routes across southwestern Utah.

* ADDITIONAL DETAILS...A period of moderate to heavy snow is
  expected to develop Saturday night and continue into Sunday
  afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ113-251715-
/O.NEW.KSLC.WW.Y.0025.211226T0600Z-211227T0300Z/
/O.CON.KSLC.WS.W.0009.000000T0000Z-211225T1200Z/
Wasatch Plateau/Book Cliffs-
Including the cities of Scofield and Indian Canyon
213 AM MST Sat Dec 25 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY
THIS MORNING...
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
8 PM MST SUNDAY...

* WHAT...For the Winter Storm Warning, heavy snow. Additional snow
  accumulations of up to one inch. For the Winter Weather
  Advisory, snow expected. Total snow accumulations of 6 to 12
  inches, locally higher.

* WHERE...Wasatch Plateau/Book Cliffs.

* WHEN...For the Winter Storm Warning, until 5 AM MST early this 
  morning. For the Winter Weather Advisory, from 11 PM this 
  evening to 8 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on all
  mountain routes, particularly Sunday morning.

* ADDITIONAL DETAILS...A second winter storm will impact the area
  with the potential for a period of moderate snow Sunday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ117-251715-
/O.NEW.KSLC.WW.Y.0025.211226T0600Z-211227T0300Z/
Central Mountains-
Including the cities of Cove Fort, Fish Lake, and Joes Valley
213 AM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
8 PM MST SUNDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 12
  inches. 

* WHERE...Central Mountains.

* WHEN...From 11 PM this evening to 8 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on all
  mountain routes, particularly Sunday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ108-109-114-WYZ021-251200-
/O.CON.KSLC.WW.Y.0024.000000T0000Z-211225T1200Z/
Wasatch Back-Bear Lake and Bear River Valley-Western Uinta Basin-
Southwest Wyoming-
Including the cities of Huntsville, Park City, Heber City, 
Woodruff, Randolph, Garden City, Duchesne, Roosevelt, Evanston, 
and Lyman
213 AM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY
THIS MORNING...

* WHAT...Snow. Additional snow accumulations of up to one inch. 

* WHERE...In Wyoming, Southwest Wyoming. In Utah, Western Uinta 
  Basin, Wasatch Back and Bear Lake and Bear River Valley.

* WHEN...Until 5 AM MST early this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511. 

For winter road conditions from the Wyoming Department of
Transportation, visit http://www.wyoroad.info or dial 511. 

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
8 follow-up statements
360 
WWUS45 KSLC 251149
WSWSLC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
449 AM MST Sat Dec 25 2021

UTZ114-251300-
/O.CAN.KSLC.WW.Y.0024.000000T0000Z-211225T1200Z/
Western Uinta Basin-
Including the cities of Duchesne and Roosevelt
449 AM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY WILL BE ALLOWED TO EXPIRE...

Any additional accumulation will be light...thus the winter
weather advisory will be allowed to expire. 

$$

UTZ110>112-252000-
/O.EXT.KSLC.WS.W.0009.000000T0000Z-211225T1500Z/
/O.CON.KSLC.WS.W.0010.211226T0600Z-211227T0300Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the cities of Mantua, Logan Summit, Alta, Brighton, 
Mirror Lake Highway, and Moon Lake
449 AM MST Sat Dec 25 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 AM MST THIS
MORNING...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 8 PM MST SUNDAY...

* WHAT...Through 5 AM this morning...additional snow accumulations
  of up to two inches. For the second Winter Storm Warning, heavy
  snow expected. Total snow accumulations of 8 to 18 inches with 
  locally higher amounts particularly across the Logan area 
  mountains and the upper Cottonwoods.

* WHERE...Wasatch Mountains and Western Uinta Mountains.

* WHEN...For the first Winter Storm Warning, until 8 AM MST this 
  morning. For the second Winter Storm Warning, from 11 PM this 
  evening to 8 PM MST Sunday.

* IMPACTS...Travel could be very difficult to impossible 
  particularly late Saturday night into early Sunday afternoon. 
  Winter driving conditions can be expected, along with 
  potential traction restrictions.

* ADDITIONAL DETAILS...A second winter storm is expected to 
  impact the northern Utah mountains. A band of heavy snow 
  associated with a cold front is expected to produce very heavy 
  snowfall rates Sunday morning into early Sunday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ113-252000-
/O.EXT.KSLC.WS.W.0009.000000T0000Z-211225T1500Z/
/O.CON.KSLC.WW.Y.0025.211226T0600Z-211227T0300Z/
Wasatch Plateau/Book Cliffs-
Including the cities of Scofield and Indian Canyon
449 AM MST Sat Dec 25 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 AM MST THIS
MORNING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 8 PM MST SUNDAY...

* WHAT...For the Winter Storm Warning, heavy snow. Additional snow
  accumulations of up to two inches. For the Winter Weather 
  Advisory, snow expected. Total snow accumulations of 6 to 12 
  inches, locally higher.

* WHERE...Wasatch Plateau/Book Cliffs.

* WHEN...For the Winter Storm Warning, until 8 AM MST this 
  morning. For the Winter Weather Advisory, from 11 PM this 
  evening to 8 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on all 
  mountain routes, particularly Sunday morning.

* ADDITIONAL DETAILS...A second winter storm will impact the 
  area with the potential for a period of moderate snow Sunday 
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ125-252000-
/O.CON.KSLC.WS.W.0010.211226T0600Z-211227T0000Z/
Southern Mountains-
Including the cities of Brian Head and Alton
449 AM MST Sat Dec 25 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 PM MST SUNDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 
  20 inches, mainly near Brian Head and the Pine Valley 
  mountains. Lesser accumulations can be expected across eastern 
  portions of the southern mountains.

* WHERE...Southern Mountains.

* WHEN...From 11 PM this evening to 5 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on 
  mountain routes across southwestern Utah.

* ADDITIONAL DETAILS...A period of moderate to heavy snow is 
  expected to develop Saturday night and continue into Sunday 
  afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ108-109-WYZ021-251500-
/O.EXT.KSLC.WW.Y.0024.000000T0000Z-211225T1500Z/
Wasatch Back-Bear Lake and Bear River Valley-Southwest Wyoming-
Including the cities of Huntsville, Park City, Heber City, 
Woodruff, Randolph, Garden City, Evanston, and Lyman
449 AM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM MST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of up to two inches.

* WHERE...In Wyoming, Southwest Wyoming. In Utah, Western Uinta 
  Basin, Wasatch Back and Bear Lake and Bear River Valley.

* WHEN...Until 8 AM MST this morning.

* IMPACTS...Winter driving conditions can be expected through the
  morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

For winter road conditions from the Wyoming Department of
Transportation, visit http://www.wyoroad.info or dial 511.

&&

$$

UTZ117-252000-
/O.CON.KSLC.WW.Y.0025.211226T0600Z-211227T0300Z/
Central Mountains-
Including the cities of Cove Fort, Fish Lake, and Joes Valley
449 AM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 8 PM MST SUNDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 12 
  inches.

* WHERE...Central Mountains.

* WHEN...From 11 PM this evening to 8 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on all 
  mountain routes, particularly Sunday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
249 
WWUS45 KSLC 251507
WSWSLC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
807 AM MST Sat Dec 25 2021

UTZ110>112-260000-
/O.EXP.KSLC.WS.W.0009.000000T0000Z-211225T1500Z/
/O.CON.KSLC.WS.W.0010.211226T0600Z-211227T0300Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the cities of Mantua, Logan Summit, Alta, Brighton, 
Mirror Lake Highway, and Moon Lake
807 AM MST Sat Dec 25 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 8 PM MST SUNDAY...
...WINTER STORM WARNING THROUGH 8 AM THIS MORNING HAS EXPIRED...

* WHAT...Heavy snow expected. Total snow accumulations of 8 to 18
  inches with locally higher amounts particularly across the 
  Logan area mountains and the upper Cottonwoods.

* WHERE...Wasatch Mountains and Western Uinta Mountains.

* WHEN...From 11 PM this evening to 8 PM MST Sunday.

* IMPACTS...Travel could be very difficult to impossible 
  particularly late Saturday night into early Sunday afternoon. 
  Winter driving conditions can be expected, along with potential 
  traction restrictions.

* ADDITIONAL DETAILS...The Winter Storm Warning through 8 AM
  Saturday has been allowed to expire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ113-260000-
/O.EXP.KSLC.WS.W.0009.000000T0000Z-211225T1500Z/
/O.CON.KSLC.WW.Y.0025.211226T0600Z-211227T0300Z/
Wasatch Plateau/Book Cliffs-
Including the cities of Scofield and Indian Canyon
807 AM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 8 PM MST SUNDAY...
...WINTER STORM WARNING HAS EXPIRED...

* WHAT...Snow expected. Total snow accumulations of 6 to 12
  inches, with locally higher amounts possible.

* WHERE...Wasatch Plateau/Book Cliffs.

* WHEN...From 11 PM this evening to 8 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on all 
  mountain routes, particularly Sunday morning.

* ADDITIONAL DETAILS...The Winter Storm Warning through 8 AM this
  morning has been allowed to expire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ108-109-WYZ021-251615-
/O.EXP.KSLC.WW.Y.0024.000000T0000Z-211225T1500Z/
Wasatch Back-Bear Lake and Bear River Valley-Southwest Wyoming-
Including the cities of Huntsville, Park City, Heber City, 
Woodruff, Randolph, Garden City, Evanston, and Lyman
807 AM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY HAS EXPIRED...

Lingering snow showers will continue this morning with little to
no additional accumulation. 

$$

UTZ125-260000-
/O.CON.KSLC.WS.W.0010.211226T0600Z-211227T0000Z/
Southern Mountains-
Including the cities of Brian Head and Alton
807 AM MST Sat Dec 25 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 PM MST SUNDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 
  20 inches, mainly near Brian Head and the Pine Valley 
  mountains. Lesser accumulations can be expected across eastern 
  portions of the southern mountains.

* WHERE...Southern Mountains.

* WHEN...From 11 PM this evening to 5 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on 
  mountain routes across southwestern Utah.

* ADDITIONAL DETAILS...A period of moderate to heavy snow is 
  expected to develop Saturday night and continue into Sunday 
  afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ117-260000-
/O.CON.KSLC.WW.Y.0025.211226T0600Z-211227T0300Z/
Central Mountains-
Including the cities of Cove Fort, Fish Lake, and Joes Valley
807 AM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 8 PM MST SUNDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 12 
  inches.

* WHERE...Central Mountains.

* WHEN...From 11 PM this evening to 8 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on all 
  mountain routes, particularly Sunday morning.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
410 
WWUS45 KSLC 252109
WSWSLC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
209 PM MST Sat Dec 25 2021

UTZ110>112-261200-
/O.CON.KSLC.WS.W.0010.211226T0600Z-211227T0300Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the cities of Mantua, Logan Summit, Alta, Brighton, 
Mirror Lake Highway, and Moon Lake
209 PM MST Sat Dec 25 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 8 PM MST SUNDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 8 to 16
  inches. Locally higher amounts are possible, particularly across
  the Logan area mountains and areas favored in southwesterly flow
  such as Provo Canyon. 

* WHERE...Wasatch Mountains and Western Uinta Mountains.

* WHEN...From 11 PM this evening to 8 PM MST Sunday.

* IMPACTS...Travel could be very difficult to impossible
  particularly late tonight through Sunday morning. Winter 
  driving conditions can be expected, along with potential 
  traction restrictions.

* ADDITIONAL DETAILS...Areas favored in southwesterly flow will
  see moderate to heavy snow late this evening through tonight. A
  fast moving band of very heavy snow will cross the area early
  Sunday morning, bringing snowfall rates in excess of 2 inches an
  hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ125-261200-
/O.CON.KSLC.WS.W.0010.211226T0600Z-211227T0000Z/
Southern Mountains-
Including the cities of Brian Head and Alton
209 PM MST Sat Dec 25 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 PM MST SUNDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 20
  inches, mainly near Brian Head and the Pine Valley mountains.
  Lesser accumulations can be expected across eastern portions of
  the southern mountains such as Boulder Mountain and the Henry
  Mountains.

* WHERE...Southern Mountains.

* WHEN...From 11 PM this evening to 5 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on 
  mountain routes across southwestern Utah.

* ADDITIONAL DETAILS...A period of moderate to heavy snow is
  expected to develop this evening and continue through Sunday
  morning before tapering off. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ103-107>109-WYZ021-261200-
/O.EXB.KSLC.WW.Y.0025.211226T0600Z-211226T1900Z/
Eastern Box Elder County-Cache Valley/Utah Portion-Wasatch Back-
Bear Lake and Bear River Valley-Southwest Wyoming-
Including the cities of Brigham City, Snowville, Logan, 
Smithfield, Huntsville, Park City, Heber City, Woodruff, 
Randolph, Garden City, Evanston, and Lyman
209 PM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
NOON MST SUNDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 6 inches
  across the Wasatch back and Uinta County, with 1 to 3 inches 
  across eastern Box Elder County and the Cache Valley. Winds 
  gusting in excess of 40 mph Sunday morning.
  

* WHERE...In Wyoming, Southwest Wyoming. In Utah, Eastern Box 
  Elder County, Cache Valley/Utah Portion, Wasatch Back and Bear 
  Lake and Bear River Valley.

* WHEN...From 11 PM this evening to noon MST Sunday.

* IMPACTS...Winter driving conditions can be expected across the
  area late tonight through Sunday morning. Gusty winds may also 
  result in considerable blowing and drifting of new snow. 

* ADDITIONAL DETAILS...The heaviest snowfall can be expected early
  Sunday morning with the passage of a cold front. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511. 

For winter road conditions from the Wyoming Department of
Transportation, visit http://www.wyoroad.info or dial 511. 

&&

$$

UTZ122-261200-
/O.EXB.KSLC.WW.Y.0025.211226T0600Z-211226T1600Z/
Southwest Utah-
Including the cities of Beaver, Cedar City, and Milford
209 PM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
9 AM MST SUNDAY...

* WHAT...Snow expected. Total snow accumulations 3 to 5 inches
  along I-15 from Black Ridge south to near New Harmony, with 1 
  to 3 inches elsewhere. Winds gusting as high as 50 mph.

* WHERE...Southwest Utah.

* WHEN...From 11 PM this evening to 9 AM MST Sunday.

* IMPACTS...Winter driving conditions can be expected along I-15
  south of Cedar City beginning late this evening, as well as
  other area roadways through the overnight hours. Strong cross
  winds can be expected along east-west facing routes. Gusty south
  winds may also result in considerable blowing and drifting of 
  new snow. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ113-117-261200-
/O.CON.KSLC.WW.Y.0025.211226T0600Z-211227T0300Z/
Wasatch Plateau/Book Cliffs-Central Mountains-
Including the cities of Scofield, Indian Canyon, Cove Fort, 
Fish Lake, and Joes Valley
209 PM MST Sat Dec 25 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 8 PM MST SUNDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 12 
  inches.

* WHERE...Central Mountains.

* WHEN...From 11 PM this evening to 8 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on all 
  mountain routes, particularly Sunday morning.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
058 
WWUS45 KSLC 260701
WSWSLC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
1201 AM MST Sun Dec 26 2021

UTZ110>112-261515-
/O.CON.KSLC.WS.W.0010.000000T0000Z-211227T0300Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the cities of Mantua, Logan Summit, Alta, Brighton, 
Mirror Lake Highway, and Moon Lake
1201 AM MST Sun Dec 26 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Heavy snow expected. Total snow accumulations of 8 to 
  16 inches. Locally higher amounts are possible, particularly 
  across the Logan area mountains and areas favored in 
  southwesterly flow such as Provo Canyon.

* WHERE...Wasatch Mountains and Western Uinta Mountains.

* WHEN...From 11 PM this evening to 8 PM MST Sunday.

* IMPACTS...Travel could be very difficult to impossible 
  particularly late tonight through Sunday morning. Winter 
  driving conditions can be expected, along with potential 
  traction restrictions.

* ADDITIONAL DETAILS...Areas favored in southwesterly flow will 
  see moderate to heavy snow late this evening through tonight. 
  A fast moving band of very heavy snow will cross the area 
  early Sunday morning, bringing snowfall rates in excess of 2 
  inches an hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ125-261515-
/O.CON.KSLC.WS.W.0010.000000T0000Z-211227T0000Z/
Southern Mountains-
Including the cities of Brian Head and Alton
1201 AM MST Sun Dec 26 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 
  20 inches, mainly near Brian Head and the Pine Valley 
  mountains. Lesser accumulations can be expected across eastern 
  portions of the southern mountains such as Boulder Mountain 
  and the Henry Mountains.

* WHERE...Southern Mountains.

* WHEN...From 11 PM this evening to 5 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on 
  mountain routes across southwestern Utah.

* ADDITIONAL DETAILS...A period of moderate to heavy snow is 
  expected to develop this evening and continue through Sunday 
  morning before tapering off.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ122-261515-
/O.EXT.KSLC.WW.Y.0025.000000T0000Z-211226T1800Z/
Southwest Utah-
Including the cities of Beaver, Cedar City, and Milford
1201 AM MST Sun Dec 26 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* WHAT...Snow and strong winds expected. Total snow accumulations
  3 to 5 inches along I-15 from Black Ridge south to near New 
  Harmony, with 1 to 3 inches elsewhere. Winds gusting as high as 
  55 mph.

* WHERE...Southwest Utah.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Winter driving conditions can be expected along I- 15
  south of Cedar City beginning late this evening, as well as
  other area roadways through the overnight hours. Strong cross
  winds can be expected along east-west facing routes. Gusty south
  winds may also result in considerable blowing and drifting of
  new snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ103-107>109-WYZ021-261515-
/O.CON.KSLC.WW.Y.0025.000000T0000Z-211226T1900Z/
Eastern Box Elder County-Cache Valley/Utah Portion-Wasatch Back-
Bear Lake and Bear River Valley-Southwest Wyoming-
Including the cities of Brigham City, Snowville, Logan, 
Smithfield, Huntsville, Park City, Heber City, Woodruff, 
Randolph, Garden City, Evanston, and Lyman
1201 AM MST Sun Dec 26 2021

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

* WHAT...Snow expected. Total snow accumulations of 3 to 6 
  inches across the Wasatch back and Uinta County, with 1 to 3 
  inches across eastern Box Elder County and the Cache Valley. 
  Winds gusting in excess of 40 mph Sunday morning.

* WHERE...In Wyoming, Southwest Wyoming. In Utah, Eastern Box 
  Elder County, Cache Valley/Utah Portion, Wasatch Back and Bear 
  Lake and Bear River Valley.

* WHEN...From 11 PM this evening to noon MST Sunday.

* IMPACTS...Winter driving conditions can be expected across the 
  area late tonight through Sunday morning. Gusty winds may also 
  result in considerable blowing and drifting of new snow.

* ADDITIONAL DETAILS...The heaviest snowfall can be expected 
  early Sunday morning with the passage of a cold front.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

For winter road conditions from the Wyoming Department of
Transportation, visit http://www.wyoroad.info or dial 511.

&&

$$

UTZ113-117-261515-
/O.CON.KSLC.WW.Y.0025.000000T0000Z-211227T0300Z/
Wasatch Plateau/Book Cliffs-Central Mountains-
Including the cities of Scofield, Indian Canyon, Cove Fort, 
Fish Lake, and Joes Valley
1201 AM MST Sun Dec 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow expected. Total snow accumulations of 6 to 12 
  inches.

* WHERE...Central Mountains.

* WHEN...From 11 PM this evening to 8 PM MST Sunday.

* IMPACTS...Winter driving conditions can be expected on all 
  mountain routes, particularly Sunday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
095 
WWUS45 KSLC 260951
WSWSLC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
251 AM MST Sun Dec 26 2021

UTZ110>112-270130-
/O.CON.KSLC.WS.W.0010.000000T0000Z-211227T0300Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the cities of Mantua, Logan Summit, Alta, Brighton, 
Mirror Lake Highway, and Moon Lake
251 AM MST Sun Dec 26 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Heavy snow expected. Total snow accumulations of 8 to 
  16 inches. Locally higher amounts are possible, particularly 
  across the Logan area mountains and areas favored in 
  southwesterly flow such as Provo Canyon.

* WHERE...Wasatch Mountains South of I-80, Wasatch Mountains I- 
  80 North and Western Uinta Mountains.

* WHEN...Until 8 PM MST this evening.

* IMPACTS...Travel could be very difficult to impossible
  particularly through Sunday morning. Winter driving conditions 
  can be expected, along with potential traction restrictions.

* ADDITIONAL DETAILS...A fast moving band of very heavy snow will
  cross the area this morning, bringing snowfall rates in excess 
  of 2 inches an hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ125-270000-
/O.CON.KSLC.WS.W.0010.000000T0000Z-211227T0000Z/
Southern Mountains-
Including the cities of Brian Head and Alton
251 AM MST Sun Dec 26 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 
  20 inches, mainly near Brian Head and the Pine Valley 
  mountains. Lesser accumulations can be expected across eastern 
  portions of the southern mountains such as Boulder Mountain 
  and the Henry Mountains.

* WHERE...Southern Mountains.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Winter driving conditions can be expected on 
  mountain routes across southwestern Utah.

* ADDITIONAL DETAILS...A period of moderate to heavy snow is
  expected to continue through this morning before tapering off.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ103-107>109-WYZ021-261900-
/O.CON.KSLC.WW.Y.0025.000000T0000Z-211226T1900Z/
Eastern Box Elder County-Cache Valley/Utah Portion-Wasatch Back-
Bear Lake and Bear River Valley-Southwest Wyoming-
Including the cities of Brigham City, Snowville, Logan, 
Smithfield, Huntsville, Park City, Heber City, Woodruff, 
Randolph, Garden City, Evanston, and Lyman
251 AM MST Sun Dec 26 2021

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

* WHAT...Snow expected. Total snow accumulations of 3 to 6 inches
  across the Wasatch back and Uinta County, with 1 to 3 inches
  across eastern Box Elder County and the Cache Valley. Winds
  gusting in excess of 45 mph this morning.

* WHERE...In Wyoming, Southwest Wyoming. In Utah, Cache 
  Valley/Utah Portion, Wasatch Back, Bear Lake and Bear River 
  Valley and Eastern Box Elder County.

* WHEN...Until noon MST today.

* IMPACTS...Winter driving conditions can be expected across the 
  area late tonight through Sunday morning. Gusty winds may also 
  result in considerable blowing and drifting of new snow.

* ADDITIONAL DETAILS...The heaviest snowfall can be expected this 
  morning with the passage of a cold front.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

For winter road conditions from the Wyoming Department of
Transportation, visit http://www.wyoroad.info or dial 511.

&&

$$

UTZ122-261800-
/O.CON.KSLC.WW.Y.0025.000000T0000Z-211226T1800Z/
Southwest Utah-
Including the cities of Beaver, Cedar City, and Milford
251 AM MST Sun Dec 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* WHAT...Snow and strong winds expected. Total snow 
  accumulations 3 to 5 inches along I-15 from Black Ridge south 
  to near New Harmony, with 1 to 3 inches elsewhere. Winds 
  gusting as high as 55 mph.

* WHERE...Southwest Utah.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Winter driving conditions can be expected along I- 15
  south of Cedar City. Strong crosswinds can be expected along 
  east-west facing routes. Gusty south winds may also result in 
  considerable blowing and drifting of new snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ113-117-270130-
/O.CON.KSLC.WW.Y.0025.000000T0000Z-211227T0300Z/
Wasatch Plateau/Book Cliffs-Central Mountains-
Including the cities of Scofield, Indian Canyon, Cove Fort, 
Fish Lake, and Joes Valley
251 AM MST Sun Dec 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow expected. Total snow accumulations of 6 to 12 
  inches.

* WHERE...Central Mountains and Wasatch Plateau/Book Cliffs.

* WHEN...Until 8 PM MST this evening.

* IMPACTS...Winter driving conditions can be expected on all
  mountain routes, particularly this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
501 
WWUS45 KSLC 261812
WSWSLC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
1112 AM MST Sun Dec 26 2021

UTZ122-261915-
/O.EXP.KSLC.WW.Y.0025.000000T0000Z-211226T1800Z/
Southwest Utah-
Including the cities of Beaver, Cedar City, and Milford
1112 AM MST Sun Dec 26 2021

...WINTER WEATHER ADVISORY HAS EXPIRED...

Lingering snow showers will continue into the afternoon hours with
little to no additional accumulation. West to southwest winds of
20 to 30 mph will produce areas of blowing snow through the day.

$$

UTZ110>112-270215-
/O.CON.KSLC.WS.W.0010.000000T0000Z-211227T0300Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the cities of Mantua, Logan Summit, Alta, Brighton, 
Mirror Lake Highway, and Moon Lake
1112 AM MST Sun Dec 26 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Heavy snow. Additional snow accumulations of 1 to 4
  inches. Winds gusting in excess of 50 mph, particularly across
  exposed areas. 

* WHERE...Wasatch Mountains South of I-80, Wasatch Mountains I- 
  80 North and Western Uinta Mountains.

* WHEN...Until 8 PM MST this evening.

* IMPACTS...Winter driving conditions can be expected, along with
  potential traction restrictions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ125-270000-
/O.CON.KSLC.WS.W.0010.000000T0000Z-211227T0000Z/
Southern Mountains-
Including the cities of Brian Head and Alton
1112 AM MST Sun Dec 26 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Heavy snow. Additional snow accumulations up to 3 inches.
  Winds gusting in excess of 50 mph, particularly across exposed
  areas.

* WHERE...Southern Mountains.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Winter driving conditions can be expected on mountain
  routes across the mountains of southern Utah.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

UTZ103-107>109-WYZ021-261915-
/O.CON.KSLC.WW.Y.0025.000000T0000Z-211226T1900Z/
Eastern Box Elder County-Cache Valley/Utah Portion-Wasatch Back-
Bear Lake and Bear River Valley-Southwest Wyoming-
Including the cities of Brigham City, Snowville, Logan, 
Smithfield, Huntsville, Park City, Heber City, Woodruff, 
Randolph, Garden City, Evanston, and Lyman
1112 AM MST Sun Dec 26 2021

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

* WHAT...Snow. Additional snow accumulations of up to one inch. 
  Winds gusting as high as 45 mph.

* WHERE...In Wyoming, Southwest Wyoming. In Utah, Cache 
  Valley/Utah Portion, Wasatch Back, Bear Lake and Bear River 
  Valley and Eastern Box Elder County.

* WHEN...Until noon MST today.

* IMPACTS...Plan on slippery road conditions.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511. 

For winter road conditions from the Wyoming Department of
Transportation, visit http://www.wyoroad.info or dial 511. 

&&

$$

UTZ113-117-270215-
/O.CON.KSLC.WW.Y.0025.000000T0000Z-211227T0300Z/
Wasatch Plateau/Book Cliffs-Central Mountains-
Including the cities of Scofield, Indian Canyon, Cove Fort, 
Fish Lake, and Joes Valley
1112 AM MST Sun Dec 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations of up to two 
  inches. Winds gusting as high as 50 mph.

* WHERE...Central Mountains and Wasatch Plateau/Book Cliffs.

* WHEN...Until 8 PM MST this evening.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
421 
WWUS45 KSLC 261912
WSWSLC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
1212 PM MST Sun Dec 26 2021

UTZ125-262015-
/O.CAN.KSLC.WS.W.0010.000000T0000Z-211227T0000Z/
Southern Mountains-
Including the cities of Brian Head and Alton
1212 PM MST Sun Dec 26 2021

...WINTER STORM WARNING IS CANCELLED...

Lingering snow showers will persist through the afternoon hours
with little to no additional accumulation. 

$$

UTZ113-117-262015-
/O.CAN.KSLC.WW.Y.0025.000000T0000Z-211227T0300Z/
Wasatch Plateau/Book Cliffs-Central Mountains-
Including the cities of Scofield, Indian Canyon, Cove Fort, 
Fish Lake, and Joes Valley
1212 PM MST Sun Dec 26 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Lingering snow showers will persist through the afternoon hours
with little to no additional accumulation. 

$$

UTZ108-109-WYZ021-270000-
/O.EXP.KSLC.WW.Y.0025.000000T0000Z-211226T1900Z/
/O.NEW.KSLC.WW.Y.0026.211226T1912Z-211227T0000Z/
Wasatch Back-Bear Lake and Bear River Valley-Southwest Wyoming-
Including the cities of Huntsville, Park City, Heber City, 
Woodruff, Randolph, Garden City, Evanston, and Lyman
1212 PM MST Sun Dec 26 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY HAS EXPIRED...

* WHAT...Snow. Additional snow accumulations of up to two inches.
  Winds gusting as high as 45 mph.

* WHERE...In Wyoming, Southwest Wyoming. In Utah, Wasatch Back 
  and Bear Lake and Bear River Valley.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Plan on slippery road conditions.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511. 

For winter road conditions from the Wyoming Department of
Transportation, visit http://www.wyoroad.info or dial 511. 

&&

$$

UTZ103-107-262015-
/O.EXP.KSLC.WW.Y.0025.000000T0000Z-211226T1900Z/
Eastern Box Elder County-Cache Valley/Utah Portion-
Including the cities of Brigham City, Snowville, Logan, 
and Smithfield
1212 PM MST Sun Dec 26 2021

...WINTER WEATHER ADVISORY HAS EXPIRED...

Lingering snow showers will persist through the afternoon hours
with little to no additional accumulation. 

$$

UTZ110>112-270300-
/O.CON.KSLC.WS.W.0010.000000T0000Z-211227T0300Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the cities of Mantua, Logan Summit, Alta, Brighton, 
Mirror Lake Highway, and Moon Lake
1212 PM MST Sun Dec 26 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

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

* WHERE...Wasatch Mountains South of I-80, Wasatch Mountains I- 
  80 North and Western Uinta Mountains.

* WHEN...Until 8 PM MST this evening.

* IMPACTS...Plan on slippery road conditions. The cold wind 
  chills as low as 25 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

For winter road conditions from the Utah Department of
Transportation, visit
http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial
511.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
779 
WWUS45 KSLC 262132
WSWSLC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
232 PM MST Sun Dec 26 2021

UTZ110>112-262245-
/O.CAN.KSLC.WS.W.0010.000000T0000Z-211227T0300Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the cities of Mantua, Logan Summit, Alta, Brighton, 
Mirror Lake Highway, and Moon Lake
232 PM MST Sun Dec 26 2021

...WINTER STORM WARNING IS CANCELLED...

Lingering snow showers will continue to diminish through the
remainder of the afternoon hours, with any accumulation limited to
an inch or two. 

$$

UTZ108-109-WYZ021-262245-
/O.CAN.KSLC.WW.Y.0026.000000T0000Z-211227T0000Z/
Wasatch Back-Bear Lake and Bear River Valley-Southwest Wyoming-
Including the cities of Huntsville, Park City, Heber City, 
Woodruff, Randolph, Garden City, Evanston, and Lyman
232 PM MST Sun Dec 26 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Lingering snow showers will continue to diminish through the
remainder of the afternoon hours, with little if any additional
accumulation expected. 

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx

The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 25, 2:13 AM MSTWinter Weather AdvisorySLCBeaver, Box Elder, Cache, Carbon, Duchesne, Emery and 12 more34 hr
Dec 25, 2:09 PM MSTWind AdvisorySLCBeaver, Box Elder, Davis, Duchesne, Emery, Garfield and 13 more25 hr

Nearby

Winter Storm Warnings in Utah, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.