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

Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Saturday

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into the Tennessee Valley Saturday. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys Saturday. Extreme heat will continue for the Intermountain West and Plains. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Overcast

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 73°F (23°C)
Visibility NA
Last update 11 Jul 3:15 am EDT
Extended Forecast for

3 Miles NNW Tall Timbers MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 75. Light west wind.

    Low: 75 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. West wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 73. Northeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm. Mostly cloudy, with a high near 78. Northeast wind 9 to 11 mph. Chance of precipitation is 30%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 73. East wind 6 to 11 mph.

    Low: 73 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Monday Night

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

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 75. Light west wind.
Saturday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. West wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 73. Northeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm. Mostly cloudy, with a high near 78. Northeast wind 9 to 11 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 73. East wind 6 to 11 mph.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 77.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Tall Timbers MD
 38.19°N 76.57°W (Elev. 0 ft)
Last Update:
2:23 am EDT Jul 11, 2026
Forecast Valid:
3am EDT Jul 11, 2026-6pm EDT Jul 17, 2026
 
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Additional Resources

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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