Flash Flood in Hillsborough County, New Hampshire

Flash Flood July 12, 2025 · Hillsborough County, New Hampshire

$5K

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Very heavy rain occurred with 2 to 3 estimated to have fallen in around 1 hour. Excessive run-off caused culverts to become overwhelmed with road damage and flooding being reported at Stoddard Rd, Depot Rd, and Rt. 123 in Hancock.

The wider storm

A hot and moist airmass was firmly in place across Southern New Hampshire on July 12th. Overall instability was limited but terrain driven thunderstorms did develop around Mount Monadnock and trained over this region. Localized road damage due flash flooding was reported.

Began near Clinton Vlg (43.0077, -72.0540).

Source: NOAA Storm Events Database, event 1288480. Narratives are written by the National Weather Service forecast office that issued the report.

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