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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

84°F

29°C

Humidity 65%
Wind Speed E 5 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 28 Aug 11:52 am EDT
Extended Forecast for

Glen Echo MD

  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. North wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 66. North wind 3 to 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Northeast wind 5 to 8 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. East wind 3 to 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. South wind 5 to 9 mph.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. North wind 3 to 5 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 66. North wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 86. Northeast wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 67. East wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 90. South wind 5 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 95. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glen Echo MD
 38.97°N 77.15°W (Elev. 56 ft)
Last Update:
10:53 am EDT Aug 28, 2026
Forecast Valid:
12pm EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation