Sabrina Ullman: Rain will become widespread this evening

August 22: Rain tonight

Rain will become widespread this evening.

Today will have a gusty south wind and overcast skies. Rain will slowly move into the region from west to east, becoming widespread in the evening. Afternoon highs will be mostly in the low 70s.

The heaviest rainfall will be late tonight into early Friday. Total accumulations will be mostly a tenth to half an inch with localized higher amounts possible within isolated thunderstorms. Overnight lows will be near 60 degrees, and the rain will clear out by 10 am Friday.

There will be a warming trend over the next few days. Friday will reach the upper 70s to low 80s, and temperatures will peak Sunday with highs in the upper 80s. Dewpoints will also increase this weekend, so it will be hot and muggy.

Today

A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 75. Breezy, with a south wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Tonight

Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 60. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 78. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

Saturday

Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the morning.

Sunday

Mostly sunny, with a high near 84. East wind 5 to 10 mph, with gusts as high as 15 mph.

Monday

A slight chance of showers after 1pm. Partly sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday

Sunny, with a high near 78. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

Wednesday

Sunny, with a high near 75. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.