436
WWUS85 KCYS 150137
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
737 PM MDT Mon Sep 14 2026


NEZ434>436-WYZ417>423-427-432-433-150245-
/O.EXP.KCYS.FW.W.0043.000000T0000Z-260915T0200Z/
Pine Ridge/Nebraska National Forest-
Box Butte/South Sioux/Niobrara River-
Lower North Platte River Basin/Scottsbluff National Monument-
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-
737 PM MDT Mon Sep 14 2026

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RH FOR FIRE WEATHER ZONES 434, 435, AND 436...

Humidity values will continue to increase while winds wind down.
Therefore, the Red Flag Warning will be allowed to expire on time
at 8 PM MD this evening.

$$