Unpredictable July Fourth Weather: Showers, Thunderstorms, and Flash Flooding Threaten Holiday Celebrations

Showers, downpours, and thunderstorms are expected in New Hampshire on the Fourth of July, with the risk of rain and storms throughout the day and early evening. Most of the showers and storms should subside by the start of fireworks. Temperatures will range from the mid-70s to low 80s with light wind and humidity. Flash flood warnings have expired, but a river flood warning remains in effect. The weather will gradually improve on Wednesday and Thursday, with a low chance of afternoon or evening thundershowers each day. Friday will be hazy, hot, and humid, with a shower or thunderstorm possible in northern and western areas. Additional storms are possible on Saturday.