Flood Warning — DeKalb County, Alabama
Flooding is occurring or imminent along rivers, streams, or low-lying areas.
Current Status
🌊 Active: Flood Warning
Flood Warning issued August 21 at 2:49AM CDT until August 21 at 5:00AM CDT by NWS Huntsville AL
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northeastern Cullman County in north central Alabama... Southeastern Madison County in north central Alabama... Southeastern Morgan County in north central Alabama... DeKalb County in northeastern Alabama... Southern Jackson County in northeastern Alabama... Marshall County in northeastern Alabama... * WHEN...Until 500 AM CDT. * IMPACTS...It will take several hours for all the water from these storms to work through local drainage systems in urban areas. * ADDITIONAL DETAILS... - At 248 AM CDT, Doppler radar indicated that heavy rain is ending. However, flooding is already occurring in the warned area. Between 2 and 4 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are possible in the warned area. - Some locations that will experience flooding include... Albertville, Scottsboro, Hartselle, Fort Payne, Boaz, Guntersville, Arab, Rainsville, Henagar, Crossville, Sylvania, Owens Cross Roads, Fa
Effective August 21, 2026 at 3:49 AM ET · Expires August 21, 2026 at 6:00 AM ET
Event Details
Event Type
Flood Warning
Severity
severe
Issued By
NWS Huntsville AL
Expires
August 21, 2026 at 6:00 AM ET
Last Checked
3 minutes ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Also In Effect For
This same Flood Warning also covers:
Other Active Alerts in Alabama
Flood Advisory
Flood Warning
Flood Warning
Flood Warning
Flood Warning
Flood Warning
Get Flood Warning Alerts for DeKalb County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Flood Warning mean for DeKalb County, Alabama?
Flooding is occurring or imminent along rivers, streams, or low-lying areas.
Is this Flood Warning currently active?
Yes — this alert is active as of our last check (3 minutes ago). It's set to expire August 21, 2026 at 6:00 AM ET.
How do I get notified about Flood Warning alerts for DeKalb County?
Download StormCast free on Google Play and set DeKalb County, Alabama as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flood Warning is also in effect for Cullman County.