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 >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

69°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 30.11 in (1019.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 29 Aug 3:55 am EDT
Extended Forecast for

La Plata MD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 83. Northeast wind around 7 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 66. East wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 91. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 91 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 83. Northeast wind around 7 mph.
Tonight
Mostly clear, with a low around 66. East wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 71. South wind around 6 mph.
Monday
Partly sunny, with a high near 91. Light and variable wind becoming north around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
A slight chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
La Plata MD
 38.53°N 76.97°W (Elev. 148 ft)
Last Update:
2:22 am EDT Aug 29, 2026
Forecast Valid:
4am EDT Aug 29, 2026-6pm EDT Sep 4, 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