Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
103 AM MDT Mon Aug 10 2026

WYZ417>427-110300-
/O.NEW.KCYS.FW.W.0037.260810T1800Z-260811T0300Z/
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-Sierra Madre Range/Medicine Bow NF-
Upper North Platte River Basin-Snowy Range/Medicine Bow NF-
North Snowy Range Foothills-
103 AM MDT Mon Aug 10 2026

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RH, AND DRY LIGHTNING FOR FIRE
WEATHER ZONES 417, 418, 419, 420, 421, 422, 423, 424, 425, 426,
AND 427...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from noon today to 9 PM MDT this
evening.

* AFFECTED AREA...Fire weather zones 417 through 427.

* WIND...West to northwest at 10 to 20 mph with gusts up to 35
  mph.

* HUMIDITY...Between 9 and 18 percent.

* ADDITIONAL DETAILS...Isolated high-based showers will have the
  potential to produce gusty and erratic winds along with a few
  strikes of lightning without much, if any, rainfall during the
  afternoon and evening hours.

* 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.

&&

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