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

Thunderstorms and Heavy Rainfall in the Mid-Atlantic and Southern New England; Fire Weather Concerns in the West

Heavy rain and isolated severe thunderstorms may continue to bring flash and urban flooding to the northern Mid-Atlantic and southern New England through tonight. Isolated dry thunderstorms will continue to bring a fire weather threat to the northwestern Great Basin through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Partly Cloudy

77°F

25°C

Humidity 94%
Wind Speed N 8 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 31 Jul 9:52 pm EDT
Extended Forecast for

Tall Timbers MD

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms, mainly between midnight and 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Southeast wind 8 to 10 mph becoming north in the evening. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 73 °F

    Heavy Rain
    then Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 76. North wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 76 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers between 8pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Northeast wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79. Northeast wind 13 to 16 mph, with gusts as high as 22 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Northeast wind 8 to 11 mph.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms, mainly between midnight and 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Southeast wind 8 to 10 mph becoming north in the evening. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 76. North wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of showers between 8pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Northeast wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 79. Northeast wind 13 to 16 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 71. Northeast wind 8 to 11 mph.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Partly sunny, with a high near 80.
Tuesday Night
Mostly cloudy, with a low around 73.
Wednesday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tall Timbers MD
 38.17°N 76.55°W (Elev. 0 ft)
Last Update:
10:30 pm EDT Jul 31, 2025
Forecast Valid:
10pm EDT Jul 31, 2025-6pm EDT Aug 7, 2025
 
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