Red Flag Warning Issued for Parts of Wyoming
This alert is no longer in effect.
NOAA issued it on April 7, 2026, 4 months 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.
The National Weather Service has issued a Red Flag Warning for several counties in Wyoming due to strong winds and low humidity, effective from noon to 9 PM MDT on April 7, 2026.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Central and North Central Wyoming
- Issued
- April 7, 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: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Central and North Central Wyoming.
Red Flag Warning in Wyoming
Alert Details
A Red Flag Warning has been issued by the National Weather Service in Riverton, WY. It is effective from noon MDT on April 7, 2026, to 9:00 PM MDT on the same day.
Affected Areas
The warning affects Natrona County, Johnson County, Fremont County, and Sweetwater County in Wyoming. Specific zones include Natrona County/Casper BLM, Johnson County/Casper BLM, Upper Wind River Basin/Wind River Basin, and Granite/Green/Ferris/Rattlesnake Mountains.
What You Should Do
Prepare for critical fire weather conditions. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Expected Conditions
Winds from the west at 20 to 30 mph with gusts up to 40 to 50 mph. Humidity as low as 13 to 16 percent.
Timeline
The warning is effective from 12:00 PM MDT on April 7, 2026, and ends at 9:00 PM MDT on April 7, 2026.
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 (928 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 7, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.