National Weather Service Map

Monday brings the next round of thunderstorms with a chance for severe weather, primarily inland, but especially in the mountains.

There are two main weather-makers for Monday. A warm front passes late morning and early afternoon, then a cold front in the evening. Overall timing for severe threats is about 1 p.m. to 9 p.m., but for different reasons.

Here are the details:

WHERE: The mountains face the greatest risk for severe weather, but all inland areas face some risk. The coast, however, may see very little rain or storm activity.

AFTERNOON: After lunchtime, with the daytime heating, expect some scattered thunderstorms with the warm front between some sun. Some of these storms may be severe.

EVENING: A cold front will produce a line of strong thunderstorms to our west. These should arrive in northern New Hampshire after 4 p.m., then into northwestern Maine. It may cross the Maine border as a powerful line of storms, but since it is arriving late in the day, it should quickly be weakening with the loss of daytime heating. It may reach the foothills and central Maine before fading away.

THREATS: Strong winds and hail are the most likely severe weather threats with either front, but some tornadoes are possible as well. In addition, heavy downpours are likely within these thunderstorms.

TEMPERATURES: It will be a warm and very humid day. A breezy south wind will keep it a bit cooler at the coast in the upper 70s to 80, but inland areas likely reach mid or some upper 80s. With the humidity, it will feel like it is over 90.

Monday night will likely be dry and calm, but warm and muggy in the 60s. A few more lighter showers or some storms are likely for Tuesday, then it gets sunnier and cooler for the rest of the week.

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