Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

88°F

31°C

Humidity 61%
Wind Speed Vrbl 3 mph
Barometer 29.93 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 10 Sep 2:15 pm EDT
Extended Forecast for

3 Miles NNW Tall Timbers MD

  • This Afternoon

    This Afternoon: A slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 86. Northwest wind around 7 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 73. Calm wind becoming northwest around 5 mph after midnight.  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

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, mainly before 8am.  Partly sunny, with a high near 80. North wind 6 to 8 mph.  Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am.  Partly cloudy, with a low around 73. East wind 3 to 5 mph.  Chance of precipitation is 20%.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 5pm.  Mostly cloudy, with a high near 81. Southeast wind 8 to 10 mph.  Chance of precipitation is 50%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am.  Mostly cloudy, with a low around 75. Chance of precipitation is 70%.

    Low: 75 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. Northwest wind around 7 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly before 8am. Partly sunny, with a high near 80. North wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 73. East wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 81. Southeast wind 8 to 10 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 70%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Tall Timbers MD
 38.19°N 76.57°W (Elev. 0 ft)
10:53 am EDT Sep 10, 2026
2pm EDT Sep 10, 2026-6pm EDT Sep 16, 2026
 
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Additional Resources

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