Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

66°F

19°C

Humidity	59%
Wind Speed	SW 14 G 23 mph
Barometer	30.15 in (1020.8 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Last update	30 Mar 7:52 pm EDT

More Information:

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

Extended Forecast for

3 Miles NNW Mc Lean VA

Tonight
Low: 58 °F
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
Tuesday Night
Low: 64 °F
Partly Cloudy
Wednesday
High: 84 °F
Mostly Sunny
then Showers
Likely
Wednesday Night
Low: 61 °F
Showers
Likely
Thursday
High: 75 °F
Chance
Showers
Thursday Night
Low: 60 °F
Chance
Showers then
Mostly Cloudy
Friday
High: 81 °F
Partly Sunny
Friday Night
Low: 63 °F
Mostly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 58. Southwest wind around 10 mph, with gusts as high as 23 mph.

Tuesday

Mostly sunny, with a high near 82. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

Tuesday Night

Partly cloudy, with a low around 64. Southwest wind around 11 mph, with gusts as high as 22 mph.

Wednesday

Showers likely after 2pm. Partly sunny, with a high near 84. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Showers likely, mainly before 2am. Mostly cloudy, with a low around 61. Southwest wind around 6 mph becoming southeast after midnight. Chance of precipitation is 60%.

Thursday

A chance of showers, mainly after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.

Thursday Night

A chance of showers before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

Friday

Partly sunny, with a high near 81.

Friday Night

Mostly cloudy, with a low around 63.

Saturday

A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.