New Hampshire Severe Severe Thunderstorm Warning | Effective 06/18/2026 12:18

Headline: 
Severe Thunderstorm Warning issued June 18 at 3:18PM EDT until June 18 at 4:15PM EDT by NWS Gray ME
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 18, 2026 - 12:18pm
Expires: 
June 18, 2026 - 1:15pm
Description: 
SVRGYX The National Weather Service in Gray Maine has issued a * Severe Thunderstorm Warning for... Southwestern Sullivan County in central New Hampshire... Cheshire County in southern New Hampshire... Northwestern Hillsborough County in southern New Hampshire... * Until 415 PM EDT. * At 316 PM EDT, severe thunderstorms were located along a line extending from 6 miles southwest of Charlestown to 18 miles west of Hinsdale, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Keene, Jaffrey, Peterborough, Charlestown, Winchester, Antrim, Greenfield, Dublin, Francestown, Bennington, Richmond, Harrisville, Nelson, Gilsum, Marlborough, Rindge, Windsor, Hancock, Walpole, and Deering. This also includes... Mount Monadnock.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. A Tornado Watch remains in effect until 700 PM EDT for southern and central New Hampshire.
Area Description: 
Cheshire, NH; Hillsborough, NH; Sullivan, NH
Forcast Office: 
NWS Gray ME
Sender: 
w-nws.webmaster@noaa.gov