Flash Flood Warning — Washington County, Maryland
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 10 at 3:12PM EDT until August 10 at 6:15PM EDT by NWS Baltimore MD/Washington DC
FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for... Northwestern Frederick County in north central Maryland... Northeastern Washington County in north central Maryland... * Until 615 PM EDT. * At 312 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Hagerstown... Thurmont... Municipal Stadium... Robinwood... Fountainhead-Orchard Hills... Smithsburg... Paramount-Long Meadow... Long Meadow.
Effective August 10, 2026 at 3:12 PM ET · Expires August 10, 2026 at 6:15 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Baltimore MD/Washington DC
Expires
August 10, 2026 at 6:15 PM ET
Last Checked
1 minute ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in Maryland
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Test Message
Get Flash Flood Warning Alerts for Washington 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 Flash Flood Warning mean for Washington County, Maryland?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 10, 2026 at 6:15 PM ET.
How do I get notified about Flash Flood Warning alerts for Washington County?
Download StormCast free on Google Play and set Washington County, Maryland 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 Flash Flood Warning is also in effect for Frederick County.