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

Thunderstorms, Heavy Rain and Heat in the Memorial Day Forecast

Strong to severe thunderstorms and heavy rain with possible flash flooding are expected from Texas to the Upper Mississippi Valley on Memorial Day. Also, a soaking rain with flooding is expected across south-central Florida. Meanwhile, a week of record breaking heat is going to get started across California into the Southwest and Great Basin, as excessive heat warnings stretch across the region. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

17°C

62°F

Humidity 80%
Wind Speed S 11 km/h
Barometer 1023.1 mb (30.22 in)
Dewpoint 13°C (56°F)
Visibility 16 km
Last update 24 May 9:52 pm EDT
Extended Forecast for

2 Miles S Washington-Dulles International Airport VA

  • Tonight

    Tonight: Cloudy, with a low around 14. Southeast wind 5 to 11 km/h.

    Cloudy

    Low: 14 °C

  • Memorial
    Day

    Memorial Day: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 26. Southeast wind around 8 km/h.

    Patchy Fog
    then Mostly
    Sunny

    High: 26 °C

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 15. Southeast wind 5 to 10 km/h.

    Partly Cloudy

    Low: 15 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. Calm wind becoming southeast 5 to 10 km/h in the morning.

    Mostly Sunny

    High: 27 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 16. Southeast wind 5 to 10 km/h becoming calm after midnight.

    Partly Cloudy

    Low: 16 °C

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 27. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 27 °C

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 19 °C

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 26 °C

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 21 °C

Detailed Forecast

Tonight
Cloudy, with a low around 14. Southeast wind 5 to 11 km/h.
Memorial Day
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 26. Southeast wind around 8 km/h.
Monday Night
Partly cloudy, with a low around 15. Southeast wind 5 to 10 km/h.
Tuesday
Mostly sunny, with a high near 27. Calm wind becoming southeast 5 to 10 km/h in the morning.
Tuesday Night
Partly cloudy, with a low around 16. Southeast wind 5 to 10 km/h becoming calm after midnight.
Wednesday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 27. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Thursday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 29. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 27. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 26.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles S Washington-Dulles International Airport VA
 38.93°N 77.45°W (Elev. 91 m)
Last Update:
10:30 pm EDT May 24, 2020
Forecast Valid:
10pm EDT May 24, 2020-6pm EDT May 31, 2020
 
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Additional Resources

Radar & Satellite Image

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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