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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

68°F

20°C

Humidity 93%
Wind Speed SW 5 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 23 Aug 1:52 am EDT
Extended Forecast for

Washington DC

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.

    Low: 69 °F

    Scattered
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 86. West wind 5 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. West wind around 5 mph becoming calm after midnight.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Light west wind increasing to 5 to 9 mph in the morning.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 86. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 64. West wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 85. Light west wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 88.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington DC
 38.91°N 77.05°W (Elev. 89 ft)
Last Update:
10:53 pm EDT Aug 22, 2026
Forecast Valid:
2am EDT Aug 23, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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