Red Flag Warning Issued for Southwest Florida
This alert is no longer in effect.
NOAA issued it on April 28, 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.
The National Weather Service has issued a Red Flag Warning for parts of Southwest Florida, effective until 8:00 PM EDT on April 21, 2026, due to critical fire weather conditions.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Southwest Florida
- Issued
- April 28, 2026
- Issuing authority
- NWS Miami FL
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 Southwest Florida.
Red Flag Warning in Southwest Florida
Alert Details
A Red Flag Warning has been issued by the National Weather Service in Miami, effective from 10:27 AM EDT on April 21, 2026, until 8:00 PM EDT on the same day.
Affected Areas
The warning affects the following areas: Coastal Collier County, Glades County Lake Region, Hendry County Lakes Region, Big Cypress, Glades County, Hendry County, Northern Collier, and Southwest Collier in Florida.
What You Should Do
Prepare for critical fire weather conditions, as strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Expected Conditions
Northeast winds of 10 to 20 mph with gusts up to 30 mph, relative humidity as low as 30 percent, and temperatures up to 85 degrees are expected.
Timeline
The alert is effective from 10:27 AM EDT on April 21, 2026, with onset at 11:00 AM EDT, and it ends at 8:00 PM EDT on April 21, 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 (938 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 28, 2026.
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Common questions about this NWS weather alert.