Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
251 AM MDT Mon Sep 14 2026
WYZ279-280-283-289-300-150200-
/O.CON.KRIW.FW.W.0028.260914T1800Z-260915T0200Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Natrona County/Casper BLM-Upper Wind River Basin/Wind River Basin-
Granite/Green/Ferris/Rattlesnake Mountains-Casper Mountain-
251 AM MDT Mon Sep 14 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING...
* AFFECTED AREA:
In Central WY Fire Zones...280...283...289...300.
In Southwest WY Fire Zone....279.
* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In Southwest WY...Sweetwater.
* IMPACTS: Low Humidities and Strong Gusty Winds could cause
erratic fire behavior.
* WIND: West 20 to 30 mph with gusts up to 45 mph.
* HUMIDITY: As low as 10 to 15 percent.
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.
&&
$$
http://weather.gov/riverton
URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
126 AM MDT Mon Sep 14 2026
NEZ434>436-150200-
/O.EXA.KCYS.FW.W.0043.260914T1800Z-260915T0200Z/
Pine Ridge/Nebraska National Forest-
Box Butte/South Sioux/Niobrara River-
Lower North Platte River Basin/Scottsbluff National Monument-
126 AM MDT Mon Sep 14 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW RH FOR FIRE WEATHER ZONES 434,
435, AND 436...
The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from noon today to 8 PM MDT this
evening.
* AFFECTED AREA...Fire weather zones 434 through 436.
* WIND...West to Northwest winds 20 to 30 mph, gusts between 35 to
45 mph.
* HUMIDITY...Relative humidities as low as 12 to 17%.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
126 AM MDT Mon Sep 14 2026
WYZ417>423-427-432-433-150200-
/O.CON.KCYS.FW.W.0043.260914T1800Z-260915T0200Z/
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
Middle North Platte River Basin/Niobrara and Converse High Plains-
North Laramie Range and Adjacent High Plains-
North Laramie Valley/Shirley Basin-
Ferris/Seminoe/Shirley Mountains-Central and West Carbon-
Southwest Carbon County-North Snowy Range Foothills-
Bordeaux/Chugwater/Wheatland-Goshen/Middle-
Lower North Platte River Basin-
126 AM MDT Mon Sep 14 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW RH FOR FIRE WEATHER ZONES
417, 418, 419, 420, 421, 422, 423, 427, 432, AND 433...
* AFFECTED AREA...Fire weather zones 417-423, 427, 432, and 433.
* WIND...West to Northwest winds 20 to 40 mph, gusts between 45
to 60 mph.
* HUMIDITY...Relative humidities as low as 10 to 20%.
* 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.
&&
$$
