Red Flag Warning Issued for Wyoming Fire Weather Zones 417-427
This alert is no longer in effect.
NOAA issued it on August 10, 2026, 13 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Red Flag Warning is in effect from noon to 9 PM MDT Tuesday for low humidity and gusty winds across multiple Wyoming fire weather zones.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Wyoming
- Issued
- August 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: historical. It was issued 13 days ago; use the issuing agency's live warning service for current conditions in Wyoming.
Alert Details
Red Flag Warning issued by NWS Cheyenne WY (NOAA). Effective from 12:00 PM to 9:00 PM MDT Tuesday, August 11, 2026.
Affected Areas
Fire weather zones 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, and 427, including 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; and North Snowy Range Foothills.
What You Should Do
Outdoor burning is not recommended. Any fires that develop will likely spread rapidly.
Expected Conditions
West to northwest winds at 10 to 20 mph with gusts up to 35 mph. Humidity between 9 and 18 percent. Isolated high-based showers may produce gusty and erratic winds along with a few lightning strikes with little rainfall.
Timeline
Warning in effect from noon to 9 PM MDT Tuesday. Issued August 10 at 1:51 PM MDT.
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 (1,124 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 10, 2026.
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Common questions about this NWS weather alert.