WASHINGTON --  A severe thunderstorm watch has been issued until 9 p.m. Sunday for parts of the area as severe storms move into the region. Damaging winds and hail are possible in these areas.

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Critical timing will be between now and 9 p.m. Scattered storms are expected to bring the potential for damaging winds, large hail, and an isolated tornado can't be ruled out. Storms will also bring locally heavy rain and lightning.

For the D.C. Metro: We especially think it will be active between 4 p.m. and 7 p.m. Sunday.

The Severe Weather Outlook from the Storm Prediction Center shows the D.C. Metro up through the Interstate 81 corridor have the higher potential for storms to turn strong and severe. 

SPC Severe Weather Outlook Sunday 5_19_19
WUSA

Be flexible with your outdoor plans and keep your WUSA9 App with you to track the storms as they are moving in so that you can move indoors before the storms arrive.

QUICK FORECAST
Sunday: Partly cloudy and hot, scattered p.m. showers and storms. Some storms could be heavy/strong. High 89.
Sunday Night: Isolated evening storms, partly cloudy, warm and muggy. Low: 71.
Monday: Partly cloudy and hot, isolated p.m. showers and storms. High 88.

FORECAST DISCUSSION

Sunday will be a hot finish to the weekend with scattered showers and storms, mostly between now and 9 p.m. Any storm that pops up could turn strong to severe with damaging winds and hail. Storms will be especially focused over the I-81 corridor, but will work into part of the D.C. metro mainly after 4 p.m. Storms will fade away after sunset with the loss of daytime heating. Outside of storms, it will be a partly cloudy and hot afternoon with highs in the upper 80s to low 90s.

A cold front arrives Monday bringing another chance of some showers and storms, especially in the afternoon east of D.C. Storms will be widely scattered. Outside of storms, Monday will be hot with highs in the mid to upper 80s. 

Futurecast shows the timing of showers and storms.

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DETAILED FORECAST
Sunday: Partly cloudy and hot, scattered p.m. showers and storms. Some storms could be strong/heavy. Highs 86 - 91. Winds: S 10-15.
Sunday Night: A few evening storms, partly cloudy, warm and muggy. Low: 66 - 72. Winds: SSW 5-10.
Monday: Partly cloudy and hot, isolated p.m. showers and storms. Highs 84 - 89. Winds: SW/W 10-20.

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EXTENDED FORECAST
The weather drys out cools down by Tuesday. Highs on Tuesday will be in the low to mid 70s, ample sunshine, and low humidity will make Tuesday the nicest day of the week! If you like summer heat, get ready for it. Heat builds again toward the second half of the of the work week, and we'll likely have our first 90-degree day of the year.

Early outlook for Memorial Day weekend looks hot with a few storms each afternoon.

Tuesday: Mostly sunny and pleasant. Low humidity. Highs in the low to mid 70s.
Wednesday: Partly cloudy and warmer. Highs around 80.
Thursday: Partly cloudy and hot with an isolated shower/storm possible. Highs in the mid to upper 80s.
Friday: Partly cloudy and hot. Highs in the mid to upper 80s.


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