Red Flag Warning Issued for Inland Nassau and Columbia Areas in Florida

Source: NOAA · Northeastern 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This alert is no longer in effect.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.

A Red Flag Warning is in effect for Inland Nassau, Gilchrist, and parts of Columbia County in Florida from 11 a.m. to 8 p.m. EDT on April 21, due to gusty winds, low humidity, and high temperatures posing a critical fire risk.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Northeastern Florida
Issued
April 28, 2026
Issuing authority
NWS Jacksonville 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 Northeastern Florida.

Red Flag Warning in Florida

Alert Details

A Red Flag Warning has been issued by the National Weather Service (NWS) Jacksonville FL. This alert is for critical fire weather conditions and is effective from 11 a.m. to 8 p.m. EDT on April 21, 2026.

Affected Areas

The warning affects the following areas in Florida: Inland Nassau, Gilchrist, Northern Columbia, Southeastern Columbia, and Southwestern Columbia.

What You Should Do

Residents in the affected areas should prepare for critical fire weather conditions, as a combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior and rapid spread of wildfires.

Expected Conditions

Expected conditions include northeast winds of 5 to 15 mph, relative humidity as low as 19 percent, and temperatures up to 86 degrees Fahrenheit.

Timeline

The alert is in effect from 11 a.m. EDT to 8 p.m. EDT on April 21, 2026.

Original source: NOAA Official Notice ↗

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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Red Flag Warning is in effect for Inland Nassau, Gilchrist, and parts of Columbia County in Florida from 11 a.m. to 8 p.m. EDT on April 21, due to gusty winds, low humidity, and high temperatures posing a critical fire risk.
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 "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Northeastern 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.