Red Flag Warning Issued for Northwest Wisconsin
This alert is no longer in effect.
NOAA issued it on May 21, 2026, 3 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.
NWS Duluth has issued a Red Flag Warning for wind and low relative humidity affecting seven Wisconsin counties from noon to 9 PM CDT Friday.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Northwest and North Central Wisconsin
- Issued
- May 21, 2026
- Issuing authority
- NWS Duluth MN
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 3 months ago; use the issuing agency's live warning service for current conditions in Northwest and North Central Wisconsin.
Alert Details
Red Flag Warning issued by NWS Duluth MN. Effective from noon CDT Friday until 9 PM CDT Friday.
Affected Areas
Douglas, Bayfield, Ashland, Iron, Burnett, Washburn and Sawyer counties in Wisconsin.
What You Should Do
A Red Flag Warning means critical fire weather conditions are occurring or will shortly occur. Outdoor burning is not recommended.
Expected Conditions
Winds west 10 to 20 mph with gusts up to 35 mph. Relative humidity as low as 17 percent. Any fires that develop will spread rapidly.
Timeline
Alert in effect from 12:00 PM to 9:00 PM CDT on May 15, 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 (603 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to May 21, 2026.
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Common questions about this NWS weather alert.