Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

80°F

27°C

Humidity	49%
Wind Speed	NW 12 G 18 mph
Barometer	30.06 in (1017.7 mb)
Dewpoint	59°F (15°C)
Visibility	8.00 mi
Heat Index	81°F (27°C)
Last update	25 Aug 1:52 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles NNW Haymarket VA

This Afternoon
High: 83 °F
Partly Sunny
Tonight
Low: 62 °F
Increasing
Clouds
Wednesday
High: 87 °F
Partly Sunny
Wednesday Night
Low: 70 °F
Mostly Cloudy
then Chance
Showers
Thursday
High: 87 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 68 °F
Showers
Likely
Friday
High: 85 °F
Mostly Cloudy
then Chance
T-storms
Friday Night
Low: 66 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 84 °F
Slight Chance
Showers

Detailed Forecast

This Afternoon

Partly sunny, with a high near 83. Northwest wind around 8 mph.

Tonight

Increasing clouds, with a low around 62. Calm wind.

Wednesday

Sunny, then becoming mostly cloudy during the afternoon, with a high near 87. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. South wind around 9 mph. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

Thursday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Friday

A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Saturday

A slight chance of showers after 8am. Partly sunny, with a high near 84. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 67.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

Partly cloudy, with a low around 69.