Red Flag Warning Issued for Monroe Upper Keys Due to Critical Fire Conditions

Source: NOAA · Monroe Upper Keys, Florida

This alert is no longer in effect.

NOAA issued it on April 6, 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 the Monroe Upper Keys, effective from 10 AM to 5 PM EST today due to strong winds and low humidity.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Monroe Upper Keys, Florida
Issued
April 6, 2026
Issuing authority
NWS Key West 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 4 months ago; use the issuing agency's live warning service for current conditions in Monroe Upper Keys, Florida.

Alert Details

The National Weather Service in Key West has issued a Red Flag Warning for the Monroe Upper Keys. This alert (NWS code FWW) was issued early Monday morning in response to critical fire weather conditions developing in the region.

Affected Areas

The warning specifically impacts the Monroe Upper Keys (Geocode FLZ076).

What You Should Do

Residents are advised to prepare for critical fire weather. A Red Flag Warning means that hazardous conditions are either occurring now or will develop shortly. The combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Outdoor burning should be avoided, and caution should be exercised with any equipment that could create sparks.

Expected Conditions

Weather conditions in the affected area are expected to include:

  • Winds: North winds sustained between 15 and 20 mph.
  • Relative Humidity: Levels dropping as low as 30 percent.
  • Hazards: Critical fire weather resulting from the combination of wind, low humidity, and warm temperatures.

Timeline

The Red Flag Warning is effective starting at 10:00 AM EST today, Monday, February 23. The alert is currently scheduled to expire at 5:00 PM EST this afternoon.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Red Flag Warning for the Monroe Upper Keys, effective from 10 AM to 5 PM EST today due to strong winds and low humidity.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Monroe Upper Keys, Florida. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.