Flash Flood Warning — Strafford County, New Hampshire
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 3 at 7:55AM EDT until August 3 at 11:15AM EDT by NWS Gray ME
At 755 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. The heaviest rainfall is expected in southeastern Hillsborough County and southeastern Rockingham County. Urban flash flooding is expected. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Manchester, Nashua, Derry, Merrimack, Durham, Exeter, Salem, Northwood and Bedford. This includes the following highways... Interstate 93 between mile markers 1 and 31. Interstate 293 between mile markers 1 and 11.
Effective August 3, 2026 at 7:55 AM ET · Expires August 3, 2026 at 11:15 AM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Gray ME
Expires
August 3, 2026 at 11:15 AM 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. Be aware of your surroundings and do not drive on flooded roads.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in New Hampshire
Flash Flood Warning
Flash Flood Warning
Flood Advisory
Flash Flood Warning
Get Flash Flood Warning Alerts for Strafford County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Strafford County, New Hampshire?
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 3, 2026 at 11:15 AM ET.
How do I get notified about Flash Flood Warning alerts for Strafford County?
Download StormCast free on Google Play and set Strafford County, New Hampshire 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 Merrimack County, Rockingham County, Hillsborough County.