Red Flag Warning Issued for Central and North Central Wyoming Areas
This alert is no longer in effect.
NOAA issued it on April 22, 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.
A Red Flag Warning is in effect for parts of Wyoming from 9 AM to 8 PM MDT on April 22, 2026, due to strong winds and low humidity that could lead to erratic fire behavior.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Central and North Central Wyoming
- Issued
- April 22, 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.
Alert Details
A Red Flag Warning has been issued by the National Weather Service (NWS) Riverton WY. It is effective from 9 AM MDT to 8 PM MDT on April 22, 2026.
Affected Areas
The warning affects North Bighorn Basin/Worland BLM; Cody Foothills; Natrona County/Casper BLM; Johnson County/Casper BLM; South Bighorn Basin/Worland BLM; Upper Wind River Basin/Wind River Basin; South Bighorn Mountains; Owl Creek Mountains; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain. Specific counties include Fremont, Natrona, Big Horn, Hot Springs, Johnson, Park, Washakie, and Sweetwater in Wyoming.
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
Southwest winds of 25 to 40 mph with gusts up to 55 mph, and occasional gusts up to 60 mph. Humidity as low as 10 to 13 percent.
Timeline
The warning is effective from 9 AM MDT on April 22, 2026, and ends at 8 PM MDT on the same day.
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 (1,053 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 22, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.