Red Flag Warning for Southwest Carbon County and Southern Wyoming Areas

Source: NOAA · Southern Wyoming

If you are in immediate danger, call emergency services now.

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NWS Cheyenne has issued a Red Flag Warning until 8 PM MDT for fire weather zones in southern Wyoming due to gusty winds and low humidity.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Southern Wyoming
Issued
September 10, 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

The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect until 8 PM MDT on September 10. The alert covers fire weather zones 423, 424, 426, 428, 429, and 432.

Affected Areas

The warning applies to Southwest Carbon County; Sierra Madre Range/Medicine Bow NF; Snowy Range/Medicine Bow NF; Southern Laramie Valley; Southern Laramie Range; and Bordeaux/Chugwater/Wheatland.

What You Should Do

A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. Outdoor burning is not recommended.

Expected Conditions

Westerly winds of 15 to 30 MPH with gusts up to 40 MPH are expected. Humidity levels will range between 5 to 13%. Any fires that develop will likely spread rapidly.

Timeline

The Red Flag Warning is effective from September 10 at 12:18 AM MDT until September 10 at 8:00 PM MDT.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Cheyenne has issued a Red Flag Warning until 8 PM MDT for fire weather zones in southern Wyoming due to gusty winds and low humidity.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southern Wyoming. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.