Red Flag Warning Issued for Southwest and West Central Wyoming
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NWS Riverton has issued a Red Flag Warning in effect from noon to 9 PM MDT today for Lincoln, Uinta, Sweetwater, and Sublette counties due to critical fire weather conditions.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Southwest and West Central Wyoming
- Issued
- August 10, 2026
- Issuing authority
- NWS Riverton 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 was issued by the National Weather Service in Riverton WY at 2:23 AM MDT on August 10, 2026. The alert is effective from noon today until 9 PM MDT this evening.
Affected Areas
The warning covers Lincoln and Uinta Counties/Lower Elevations; Upper Green River Basin/Rock Springs BLM; and Sweetwater County/Rock Springs BLM/Flaming Gorge NRA. Counties affected include Sweetwater and Uinta in Southwest Wyoming, and Lincoln and Sublette in West Central Wyoming. Fire zones impacted are 277, 278, and 279.
What You Should Do
A Red Flag Warning means critical fire weather conditions are either occurring now or will shortly. Residents should prepare for a combination of strong winds, low relative humidity, and warm temperatures that can contribute to extreme fire behavior.
Expected Conditions
Low humidities, hot temperatures, strong gusty winds, and dry thunderstorms with gusty and erratic outflow winds could cause erratic fire behavior. Winds will be west 10 to 20 mph with gusts up to 30 mph. Thunderstorms may produce wind gusts up to 55 mph from outflows. Humidity as low as 15 percent. High temperatures in the middle 80s to near 90 degrees.
Timeline
The warning is in effect from 12:00 PM MDT on August 10, 2026, until 9:00 PM MDT on August 10, 2026.
Original source: NOAA Official Notice ↗
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