Forecast: After Nice Day, Some Rain Ahead

Another nice day in what is turning out to be such a great stretch of weather this summer. While we have seen some clouds build in the afternoon the past few days there hasn't been any widespread rain in a couple of weeks. For those of you on vacation, the good news is, although I do see a wet Wednesday, it's not going to last long.

Our rain tomorrow is coming thanks to a vigorous storm system which will cross the region. Toward the end of summer (sorry to write that), it's still rather unusual to have a day of rain unless there is a tropical system involved. The rain tomorrow is courtesy of a more winter type of system. When we see a vigorous system like this in summer it can spawn severe weather. The best chance for any thunderstorms from this upcoming storm will be south of Boston.

As the system moves away from the area on Wednesday night high pressure will move back into the area and sunshine will once again resume for another stretch. At first, it's going to be dry and somewhat cool for the time of year, but as we head through the weekend a warming trend will ensue and temperatures will rise to seasonable or even warmer than seasonable levels.

I am expecting 1 to 3 inches of rain Wednesday and this will be a big help to the recent dry spell. We aren't in a drought or anything like that, but the woods and the gardens and the lawns could use a good healthy dose of rain and we are about to get it.

Both the morning and evening commute could be impacted on Wednesday by the rain. The good news is this time of year the overall commute is a bit lighter, but heavy rain can cause issues.

I still don't see any heat waves in our future, and this may end up being the first summer in several years without one. More on this, of course, in the coming weeks. Have a great day.

Tuesday: A bit of early fog, then mostly sunny. Clouds will move into the area during the second part of the afternoon from the west and south.

Tuesday night: Mostly cloudy and turning muggy. Showers develop late at night.

Wednesday: Periods of rain, becoming breezy inland and windy along the coast. Rain may be heavy at times. Chance of thunderstorms south of Boston. Highs in the lower 70s.

Thursday: Early clouds, then clearing and drier. Highs of 72 to 76.

Friday: Mostly sunny with a high near 75.

Saturday: Sunny with a high in the upper 70s.

Follow updates from David Epstein on Twitter @growingwisdom.

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David Epstein Meteorologist
David Epstein was WBUR's meteorologist.



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