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

74°F

23°C

Humidity	52%
Wind Speed	NW 12 G 18 mph
Barometer	30.10 in (1018.9 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	25 Aug 9:52 am EDT

More Information:

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

Extended Forecast for

2 Miles ESE Great Falls VA

Today
High: 83 °F
Sunny
Tonight
Low: 62 °F
Mostly Clear
Wednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 70 °F
Slight Chance
T-storms then
Chance
Showers
Thursday
High: 86 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 68 °F
Showers
Likely
Friday
High: 86 °F
Partly Sunny
then Chance
T-storms
Friday Night
Low: 67 °F
Chance
T-storms then
Slight Chance
Showers
Saturday
High: 85 °F
Mostly Sunny

Detailed Forecast

Today

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

Tonight

Mostly clear, with a low around 62. Light north wind.

Wednesday

Mostly sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the afternoon.

Wednesday Night

A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70. South wind around 7 mph. Chance of precipitation is 40%.

Thursday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. South wind around 8 mph. Chance of precipitation is 70%.

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. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 85.

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 70.

Monday

Mostly sunny, with a high near 88.