Alert archive / Wyoming / Red Flag Warnings in 2021

Red Flag Warning 33, NWS Cheyenne, WY

September 15, 2021

NWS Cheyenne, WY issued this red flag warning at Sep 15, 2021, 2:07 PM MDT. It took effect at Sep 16, 2021, 11:00 AM MDT. It was in force for 9 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
Sep 15, 2021, 2:07 PM MDT (20:07 UTC)
In effect from
Sep 16, 2021, 11:00 AM MDT
Expired
Sep 16, 2021, 8:00 PM MDT
In force
9 hr
Issued by
NWS Cheyenne, WY

The text

As transmitted.

319 
WWUS85 KCYS 152007
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
207 PM MDT Wed Sep 15 2021

...RED FLAG WARNING IN EFFECT FOR MUCH OF SOUTHEASTERN WYOMING
WEDNESDAY...

WYZ302>308-160415-
/O.UPG.KCYS.FW.A.0031.210916T1700Z-210917T0200Z/
/O.NEW.KCYS.FW.W.0033.210916T1700Z-210917T0200Z/
/O.NEW.KCYS.FW.A.0032.210917T1700Z-210918T0200Z/
/O.CON.KCYS.FW.W.0032.000000T0000Z-210916T0200Z/
North Laramie Range/Medicine Bow NF-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
Southwest Carbon County-Sierra Madre Range/Medicine Bow NF-
Upper North Platte River Basin-Snowy Range/Medicine Bow NF-
Laramie Valley/Shirley Basin-
207 PM MDT Wed Sep 15 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301, 302,
303, 304, 305, 306, 307, AND 308...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITY... 
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH 
FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 11 AM to 8 PM MDT Thursday. A Fire
Weather Watch is in effect from Friday morning through Friday 
evening. 

* AFFECTED AREA...Fire weather zones 301, 302, 303, 304, 305, 
  306, 307, AND 308... 

* WIND...West winds from 15 to 25 gusting to 35 mph

* HUMIDITY...10 to 15 percent

* HAINES...5 to 6

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$

WYZ301-160415-
/O.NEW.KCYS.FW.W.0033.210916T1700Z-210917T0200Z/
/O.NEW.KCYS.FW.A.0032.210917T1700Z-210918T0200Z/
/O.CON.KCYS.FW.W.0032.000000T0000Z-210916T0200Z/
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
207 PM MDT Wed Sep 15 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301, 302,
303, 304, 305, 306, 307, AND 308...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITY... 
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH 
FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 11 AM to 8 PM MDT Thursday. a
Fire Weather Watch has also been issued. This Fire Weather Watch
is in effect from Friday morning through Friday evening. 

* AFFECTED AREA...Fire weather zones 301, 302, 303, 304, 305, 
  306, 307, AND 308... 

* WIND...West winds from 15 to 25 gusting to 35 mph

* HUMIDITY...10 to 15 percent

* HAINES...5 to 6

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$

WYZ310-160415-
/O.UPG.KCYS.FW.A.0031.210916T1700Z-210917T0200Z/
/O.NEW.KCYS.FW.W.0033.210916T1700Z-210917T0200Z/
/O.CON.KCYS.FW.W.0032.000000T0000Z-210916T0200Z/
Platte/Goshen/Central and Eastern Laramie-
207 PM MDT Wed Sep 15 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301, 302,
303, 304, 305, 306, 307, AND 308...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITY...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 11 AM to 8 PM MDT Thursday. The
Fire Weather Watch is no longer in effect. 


* AFFECTED AREA...Fire weather zones 301, 302, 303, 304, 305, 
  306, 307, AND 308... 

* WIND...West winds from 15 to 25 gusting to 35 mph

* HUMIDITY...10 to 15 percent

* HAINES...5 to 6

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

NEZ311-160415-
/O.NEW.KCYS.FW.W.0033.210916T1700Z-210917T0200Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
207 PM MDT Wed Sep 15 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITY...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 11 AM to 8 PM MDT Thursday. 

* AFFECTED AREA...Fire weather zone 311.

* WIND...West winds from 15 to 25 gusting to 35 mph

* HUMIDITY...10 to 15 percent

* HAINES...5 to 6

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$
5 follow-up statements
850 
WWUS85 KCYS 160149
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
749 PM MDT Wed Sep 15 2021

...RED FLAG WARNING IN EFFECT FOR MUCH OF SOUTHEASTERN WYOMING
AND THE NORTHERN NEBRASKA PANHANDLE FOR THURSDAY...

WYZ301>308-161200-
/O.EXP.KCYS.FW.W.0032.000000T0000Z-210916T0200Z/
/O.CON.KCYS.FW.W.0033.210916T1700Z-210917T0200Z/
/O.CON.KCYS.FW.A.0032.210917T1700Z-210918T0200Z/
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-North Laramie Range/Medicine Bow NF-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
Southwest Carbon County-Sierra Madre Range/Medicine Bow NF-
Upper North Platte River Basin-Snowy Range/Medicine Bow NF-
Laramie Valley/Shirley Basin-
749 PM MDT Wed Sep 15 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 
301, 302, 303, 304, 305, 306, 307, AND 308...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING 
THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE 
WEATHER ZONES 301, 302, 303, 304, 305, 306, 307, AND 308...
...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR 
FOR FIRE WEATHER ZONES 301, 302, 303, 304, 305, 306, 307, AND 
308...

* AFFECTED AREA...Fire weather zones 301, 302, 303, 304, 305, 
  306, 307, AND 308... 

* WIND...West winds from 15 to 25 gusting to 35 mph

* HUMIDITY...10 to 15 percent

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$

WYZ310-161200-
/O.EXP.KCYS.FW.W.0032.000000T0000Z-210916T0200Z/
/O.CON.KCYS.FW.W.0033.210916T1700Z-210917T0200Z/
Platte/Goshen/Central and Eastern Laramie-
749 PM MDT Wed Sep 15 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 
310... 
...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING 
FOR FOR FIRE WEATHER ZONE 310...

* AFFECTED AREA...Fire weather zone 310...
 
* WIND...West winds from 15 to 25 gusting to 35 mph

* HUMIDITY...10 to 15 percent

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

NEZ311-161200-
/O.CON.KCYS.FW.W.0033.210916T1700Z-210917T0200Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
749 PM MDT Wed Sep 15 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 
311...

* AFFECTED AREA...Fire weather zone 311.

* WIND...West winds from 15 to 25 gusting to 35 mph

* HUMIDITY...10 to 15 percent

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

Rubin
952 
WWUS85 KCYS 160819
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
219 AM MDT Thu Sep 16 2021

...RED FLAG WARNING IN EFFECT FOR MUCH OF SOUTHEASTERN WYOMING
AND THE NORTHERN NEBRASKA PANHANDLE TODAY...

WYZ301>308-170215-
/O.CON.KCYS.FW.W.0033.210916T1700Z-210917T0200Z/
/O.CON.KCYS.FW.A.0032.210917T1700Z-210918T0200Z/
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-North Laramie Range/Medicine Bow NF-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
Southwest Carbon County-Sierra Madre Range/Medicine Bow NF-
Upper North Platte River Basin-Snowy Range/Medicine Bow NF-
Laramie Valley/Shirley Basin-
219 AM MDT Thu Sep 16 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 301, 302, 303, 304, 305, 306, 307, AND 308......
FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONES 301, 302, 303, 304, 305, 306, 307, AND 308......RED FLAG
WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR FOR FIRE WEATHER
ZONES 301, 302, 303, 304, 305, 306, 307, AND 308...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 301, 302, 303, 304, 305, 306, 307, AND 308......
FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONES 301, 302, 303, 304, 305, 306, 307, AND 308......RED FLAG
WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR FOR FIRE WEATHER
ZONES 301, 302, 303, 304, 305, 306, 307, AND 308...

* AFFECTED AREA...Fire weather zones 301, 302, 303, 304, 305, 
  306, 307, AND 308... 

* WIND...West winds from 15 to 25 gusting to 35 mph

* HUMIDITY...10 to 15 percent

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$

NEZ311-WYZ310-170200-
/O.CON.KCYS.FW.W.0033.210916T1700Z-210917T0200Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Platte/Goshen/Central and Eastern Laramie-
219 AM MDT Thu Sep 16 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONE 311...

* AFFECTED AREA...Fire weather zone 311.

* WIND...West winds from 15 to 25 gusting to 35 mph

* HUMIDITY...10 to 15 percent

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

WM
737 
WWUS85 KCYS 161945
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
145 PM MDT Thu Sep 16 2021

...CRITICAL FIRE WEATHER CONDITIONS THROUGH SATURDAY AFTERNOON.
RED FLAG WARNINGS AND FIRE WEATHER WATCHES IN EFFECT....

WYZ301-303-308-171200-
/O.UPG.KCYS.FW.A.0032.210917T1700Z-210918T0200Z/
/O.NEW.KCYS.FW.W.0034.210917T1700Z-210918T0200Z/
/O.NEW.KCYS.FW.A.0033.210918T1700Z-210919T0200Z/
/O.CON.KCYS.FW.W.0033.000000T0000Z-210917T0200Z/
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-Central and Northern Carbon/Ferris-Seminoe-
Shirley Mountains-Laramie Valley/Shirley Basin-
145 PM MDT Thu Sep 16 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301... 
303 AND 308... 

...RED FLAG WARNING IN EFFECT THROUGH 8 PM MDT TODAY FOR GUSTY 
WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301...303 AND 308...

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR 
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301...303 AND
308...

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH 
SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE 
WEATHER ZONES 301...303 AND 308...

The National Weather Service in Cheyenne continues the Red Flag
Warning for today through 8 PM. A Red Flag Warning has been issued
for Friday, which is in effect from 11 AM to 8 PM MDT. A Fire 
Weather Watch has also been issued. This Fire Weather Watch is in 
effect from Saturday morning through Saturday evening. 


* WIND...West winds from 15 to 25 gusting to 35 mph. Similar winds
  can be expected both Friday and Saturday late morning through
  the afternoon.

* HUMIDITY...10 to 15 percent. Similar humidity can be expected 
  both Friday and Saturday late morning through the afternoon.

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$

WYZ302-304>307-171200-
/O.UPG.KCYS.FW.A.0032.210917T1700Z-210918T0200Z/
/O.NEW.KCYS.FW.W.0034.210917T1700Z-210918T0200Z/
/O.CON.KCYS.FW.W.0033.000000T0000Z-210917T0200Z/
North Laramie Range/Medicine Bow NF-Southwest Carbon County-
Sierra Madre Range/Medicine Bow NF-Upper North Platte River Basin-
Snowy Range/Medicine Bow NF-
145 PM MDT Thu Sep 16 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 302...304
...305...306 AND 307... 

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR 
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 302...304...
305...306 AND 307...

The National Weather Service in Cheyenne continues the Red Flag
Warning through 8 PM today. A Red Flag Warning has also been
issued for Friday, which is in effect from 11 AM to 8 PM MDT.


* WIND...West winds from 15 to 25 gusting to 35 mph. Similar winds
  can be expected Friday.

* HUMIDITY...10 to 15 percent. Similar humidity can be expected 
  Friday.

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

NEZ311-WYZ310-171200-
/O.NEW.KCYS.FW.A.0033.210918T1700Z-210919T0200Z/
/O.CON.KCYS.FW.W.0033.000000T0000Z-210917T0200Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Platte/Goshen/Central and Eastern Laramie-
145 PM MDT Thu Sep 16 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 310 AND 
311...

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE 
WEATHER ZONES 310 AND 311...

The National Weather Service in Cheyenne has issued a Fire
Weather Watch, which is in effect from Saturday morning through
Saturday evening. 

* AFFECTED AREA...Fire weather zone 310 and 311.

* WIND...West winds from 15 to 25 gusting to 35 mph. Similar winds
  can be expected Saturday.

* HUMIDITY...10 to 15 percent. Similar humidity can be expected 
  Saturday.

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$
894 
WWUS85 KCYS 161949
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
149 PM MDT Thu Sep 16 2021

...CRITICAL FIRE WEATHER CONDITIONS THROUGH SATURDAY AFTERNOON.
RED FLAG WARNINGS AND FIRE WEATHER WATCHES IN EFFECT....

WYZ301-303-308-171200-
/O.CON.KCYS.FW.W.0033.000000T0000Z-210917T0200Z/
/O.CON.KCYS.FW.W.0034.210917T1700Z-210918T0200Z/
/O.CON.KCYS.FW.A.0033.210918T1700Z-210919T0200Z/
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-Central and Northern Carbon/Ferris-Seminoe-
Shirley Mountains-Laramie Valley/Shirley Basin-
149 PM MDT Thu Sep 16 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301...
303 AND 308...

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
301... 303 AND 308...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
FIRE WEATHER ZONES 301... 303 AND 308...

The National Weather Service in Cheyenne continues the Red Flag 
Warning for today through 8 PM. A Red Flag Warning has been issued
for Friday, which is in effect from 11 AM to 8 PM MDT. A Fire 
Weather Watch has also been issued. This Fire Weather Watch is in 
effect from Saturday morning through Saturday evening.

* WIND...West winds from 15 to 25 gusting to 35 mph. Similar 
  winds can be expected both Friday and Saturday late morning 
  through the afternoon. 

* HUMIDITY...10 to 15 percent. Similar humidity can be expected 
  both Friday and Saturday late morning through the afternoon.

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$

WYZ302-304>307-171200-
/O.CON.KCYS.FW.W.0033.000000T0000Z-210917T0200Z/
/O.CON.KCYS.FW.W.0034.210917T1700Z-210918T0200Z/
North Laramie Range/Medicine Bow NF-Southwest Carbon County-
Sierra Madre Range/Medicine Bow NF-Upper North Platte River Basin-
Snowy Range/Medicine Bow NF-
149 PM MDT Thu Sep 16 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 302...
304...305...306 AND 307...
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
302...304...305...306 AND 307...

The National Weather Service in Cheyenne continues the Red Flag
Warning through 8 PM today. A Red Flag Warning has also been
issued for Friday, which is in effect from 11 AM to 8 PM MDT.

* WIND...West winds from 15 to 25 gusting to 35 mph. Similar 
  winds can be expected Friday. 

* HUMIDITY...10 to 15 percent. Similar humidity can be expected 
  Friday.

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

NEZ311-WYZ310-171200-
/O.CON.KCYS.FW.W.0033.000000T0000Z-210917T0200Z/
/O.CON.KCYS.FW.A.0033.210918T1700Z-210919T0200Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Platte/Goshen/Central and Eastern Laramie-
149 PM MDT Thu Sep 16 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 310 AND
311...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
FIRE WEATHER ZONES 310 AND 311...

The National Weather Service in Cheyenne has issued a Fire
Weather Watch, which is in effect from Saturday morning through
Saturday evening.

* AFFECTED AREA...Fire weather zone 310 and 311.

* WIND...West winds from 15 to 25 gusting to 35 mph. Similar
  winds can be expected Saturday. 

* HUMIDITY...10 to 15 percent. Similar humidity can be expected 
  Saturday.

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$
543 
WWUS85 KCYS 170150
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
750 PM MDT Thu Sep 16 2021

...CRITICAL FIRE WEATHER CONDITIONS THROUGH SATURDAY AFTERNOON.
RED FLAG WARNINGS AND FIRE WEATHER WATCHES IN EFFECT....

WYZ301-303-308-171200-
/O.EXP.KCYS.FW.W.0033.000000T0000Z-210917T0200Z/
/O.CON.KCYS.FW.W.0034.210917T1700Z-210918T0200Z/
/O.CON.KCYS.FW.A.0033.210918T1700Z-210919T0200Z/
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-Central and Northern Carbon/Ferris-Seminoe-
Shirley Mountains-Laramie Valley/Shirley Basin-
750 PM MDT Thu Sep 16 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
301...303 AND 308... 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING 
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 301... 303 AND 308...
...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR 
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301...303 AND
308...

A Red Flag Warning has been issued for Friday, which is in effect
from 11 AM to 8 PM MDT. A Fire Weather Watch has also been 
issued. This Fire Weather Watch is in effect from Saturday morning
through Saturday evening.

* WIND...West winds from 15 to 25 gusting to 35 mph for late
  morning through the afternoon both Friday and Saturday. 

* HUMIDITY...10 to 15 percent. 

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly.
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$

WYZ302-304>307-171200-
/O.EXP.KCYS.FW.W.0033.000000T0000Z-210917T0200Z/
/O.CON.KCYS.FW.W.0034.210917T1700Z-210918T0200Z/
North Laramie Range/Medicine Bow NF-Southwest Carbon County-
Sierra Madre Range/Medicine Bow NF-Upper North Platte River Basin-
Snowy Range/Medicine Bow NF-
750 PM MDT Thu Sep 16 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
302...304...305...306 AND 307...
...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR 
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 302...304... 
305...306 AND 307... 

* WIND...West winds from 15 to 25 gusting to 35 mph. 

* HUMIDITY...10 to 15 percent. 

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly.
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

NEZ311-WYZ310-171200-
/O.EXP.KCYS.FW.W.0033.000000T0000Z-210917T0200Z/
/O.CON.KCYS.FW.A.0033.210918T1700Z-210919T0200Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Platte/Goshen/Central and Eastern Laramie-
750 PM MDT Thu Sep 16 2021

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
FIRE WEATHER ZONES 310 AND 311...
...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR 
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 310 AND 311...

* AFFECTED AREA...Fire weather zones 310 and 311.

* WIND...West winds from 15 to 25 gusting to 35 mph. Similar winds
  can be expected on Saturday.

* HUMIDITY...10 to 15 percent. Similar humidity can be expected on
  Saturday. 

* HAINES...5 to 6

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$

Rubin

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 2:52 AM MDTFire Weather WatchCYS11 hr
Sep 15, 2:07 PM MDTFire Weather WatchCYS24 hr

Nearby

Red Flag Warnings in Wyoming, 2021Red Flag Warnings in Nebraska, 2021Every red flag 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.