Severe Thunderstorm Warning for DeKalb and Marshall Counties, AL

Source: NOAA · Northeastern Alabama

This alert is no longer in effect.

NOAA issued it on August 21, 2026, 2 days 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 Huntsville AL has issued a Severe Thunderstorm Warning for northeastern Marshall County and southern DeKalb County until 12:30 AM CDT August 21.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Northeastern Alabama
Issued
August 21, 2026
Issuing authority
NWS Huntsville AL

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: historical. It was issued 2 days ago; use the issuing agency's live warning service for current conditions in Northeastern Alabama.

Alert Details

Severe Thunderstorm Warning issued by NWS Huntsville AL. Effective from 11:26 PM CDT August 20, 2026 until 12:30 AM CDT August 21, 2026. Alert type code: SVR.

Affected Areas

DeKalb County and Marshall County in northeastern Alabama. Locations impacted include Fort Payne, Rainsville, Crossville, Fyffe, Geraldine, Pine Ridge, Lakeview, Hopewell, Collbran, and Guest.

What You Should Do

For protection, move to an interior room on the lowest floor of a building. Move indoors immediately due to large hail, damaging wind, and continuous cloud-to-ground lightning.

Expected Conditions

At 11:25 PM CDT, a severe thunderstorm was located near Geraldine, or 11 miles east of Guntersville, moving east at 40 mph. Hazards include 60 mph wind gusts and nickel size hail (0.88 inch). Expect damage to roofs, siding, and trees.

Timeline

The warning is in effect until 12:30 AM CDT on August 21, 2026.

Original source: NOAA Official Notice ↗

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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?
NWS Huntsville AL has issued a Severe Thunderstorm Warning for northeastern Marshall County and southern DeKalb County until 12:30 AM CDT August 21.
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 Alabama. 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.