National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Mostly Cloudy

66°F

19°C

Humidity 59%
Wind Speed SW 18 G 29 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 30 Mar 10:52 pm EDT
Extended Forecast for

Vienna VASimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Southwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely after 2pm. Partly sunny, with a high near 84. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 61. Southwest wind around 7 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

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

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. Southwest wind around 11 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 81. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 64. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday
Showers likely after 2pm. Partly sunny, with a high near 84. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. 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 7 mph. Chance of precipitation is 60%.
Thursday
A slight chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 80.
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%.
Sunday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna VASimilar City Names
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
10:54 pm EDT Mar 30, 2026
Forecast Valid:
11pm EDT Mar 30, 2026-6pm EDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation