The National Weather Service has issued a severe thunderstorm warning for Carroll, Sullivan, Grafton, Belknap, and Merrimack Counties.
It has also issued a flash flood warning for Grafton, Hillsboro, Belknap, Merrimack, Sullivan, Cheshire, and Carroll Counties.
The weather will clear for tomorrow, with partly cloudy skies in southern New Hampshire, and scattered storms in the North Country.
Highs tomorrow will be in the low 80s.