874
WWUS85 KCYS 131947
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
147 PM MDT Mon Jul 13 2026

NEZ434>437-WYZ417>420-423-427-430>433-141200-
/O.CON.KCYS.FW.W.0031.000000T0000Z-260716T0200Z/
Pine Ridge/Nebraska National Forest-
Box Butte/South Sioux/Niobrara River-
Lower North Platte River Basin/Scottsbluff National Monument-
Lodgepole Creek/Southern Nebraska Panhandle-
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-Southwest Carbon County-
North Snowy Range Foothills-Laramie Foothills and High Plains-
Laramie East High Plains-Bordeaux/Chugwater/Wheatland-
Goshen/Middle-Lower North Platte River Basin-
147 PM MDT Mon Jul 13 2026

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT WEDNESDAY
FOR LOW RH, CRITICAL FUELS, AND BREEZY WINDS FOR FIRE WEATHER
ZONES 417, 418, 419, 420, 423, 427, 430, 431, 432, 433, AND 434...

* AFFECTED AREA...Fire weather zones 417, 418, 423, and 430
  through 434.

* WIND...South to southeast winds 10 to 15 mph gusting up to 35
  mph

* HUMIDITY...Between 10 and 15 percent

* 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.

&&

$$