WASHINGTON — The heat and the threat of storms continue into Monday. Heat Index values will approach 100° Monday afternoon.
Tonight: Partly to mostly cloudy and muggy. Isolated storm possible. Low: 73.
Monday: Partly cloudy and hot with afternoon/evening showers and storms. High: 93. Heat Index near 100.
Tuesday: Mostly cloudy with widespread showers & storms. High: 78.
RELATED: Summer Solstice
Summer officially starts Sunday night at 11:32 p.m. with the Summer Solstice.
Monday is the hottest day of the week with highs in the 90s and the heat index in the upper 90s to near 100 degrees. Showers and storms will be possible especially in the afternoon. Storms may produce heavy rain and gusty winds. Overall, the severe weather risk is low. There's a Marginal Risk for severe storms from Fredericksburg north and west (including D.C.), and a Slight Risk for severe storms in western Maryland and into West Virginia. Some heavy rain may lead to isolated flooding. Storms will likely fire up after 2 p.m.
Tuesday is going to be an unsettled day with showers and storms. The rain should gradually end by the mid-afternoon. Highs will be in the upper 70s to near 80 early, but a cold front will drop temperatures throughout the day, likely falling into the 60s by sunset.
Tonight: Partly to mostly cloudy and muggy with an isolated shower or storm. Lows: 66-74. Winds: SSW - 10.
Monday: Partly cloudy and hot with afternoon/evening showers and storms. Highs: 90-96. Winds: SW - 10.
Monday Night: Cloudy with showers and storms. Lows: 67-72. Winds: S 5 mph.
Tuesday: Mostly cloudy with showers and storms. Falling temperatures. Highs 78-82 in the morning. Winds: NW 5-10.
After Tuesday we'll enjoy a stretch of quiet weather. Wednesday is easily the pick of the week with mostly sunny skies and highs in the 70s. Thursday and Friday are pleasant with highs in the 80s and a few more clouds.
Wednesday: Mostly sunny and gorgeous. Highs 75-80.
Thursday: Sunny. Highs 79-84.
Friday: Partly cloudy. Highs 82-87.