Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

78°F

26°C

Humidity 76%
Wind Speed S 10 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 8:52 am EDT
Extended Forecast for

Washington DC

  • Today

    Today: Scattered showers and thunderstorms, mainly after 2pm. Some of the storms could be severe.  Mostly sunny, with a high near 90. South wind 7 to 10 mph.  Chance of precipitation is 50%.

    High: 90 °F

    Isolated
    T-storms then
    Severe
    Thunderstorms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then scattered showers between 11pm and 2am. Some of the storms could be severe.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 70. South wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 70 °F

    Severe
    Thunderstorms
    then
    Scattered
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 5pm.  Areas of fog before 9am.  Otherwise, partly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 88 °F

    Areas Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 70. Light northwest wind.

    Low: 70 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88. North wind 3 to 5 mph.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, sunny, with a high near 91.

    High: 91 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 2pm. Some of the storms could be severe. Mostly sunny, with a high near 90. South wind 7 to 10 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms before 11pm, then scattered showers between 11pm and 2am. Some of the storms could be severe. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 70. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms, mainly after 5pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 70. Light northwest wind.
Saturday
Mostly sunny, with a high near 88. North wind 3 to 5 mph.
Saturday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 70.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Washington DC
 38.89°N 77.02°W (Elev. 20 ft)
7:52 am EDT Aug 27, 2026
9am EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database