Red Flag Warning Issued for Southeast Wyoming Through Thursday
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NWS Cheyenne has issued a Red Flag Warning for multiple fire weather zones in Wyoming due to gusty winds and low humidity from 11 AM Wednesday to 8 PM MDT Thursday.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Southeast Wyoming
- Issued
- September 9, 2026
- Issuing authority
- NWS Cheyenne WY
Fire-weather notices describe conditions that can support rapid fire spread; they do not report that a fire is present. Check local emergency sources for any active incident.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Red Flag Warning has been issued by the National Weather Service in Cheyenne. The alert is in effect from 11 AM MDT Wednesday, September 9, 2026, to 8 PM MDT Thursday, September 10, 2026.
Affected Areas
Fire weather zones 419, 420, 421, 422, 425, and 427, including North Laramie Range and Adjacent High Plains; North Laramie Valley/Shirley Basin; Ferris/Seminoe/Shirley Mountains; Central and West Carbon; Upper North Platte River Basin; and North Snowy Range Foothills.
What You Should Do
A Red Flag Warning means critical fire weather conditions are occurring or will shortly occur. Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
Expected Conditions
Westerly winds of 15 to 30 MPH with occasional gusts up to 40 MPH, with the strongest winds Thursday afternoon. Humidity levels of 10% to 15% Wednesday afternoon, dropping as low as 5% Thursday afternoon. Poor humidity recoveries Wednesday night, with recoveries as low as 20% over Albany and Carbon Counties.
Timeline
The warning takes effect at 11 AM MDT on September 9 and remains in effect until 8 PM MDT on September 10.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,153 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 9, 2026.
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