Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Hazardous Weather Conditions

Current conditions at

Carroll County Regional Jack B Poage Field (KDMW)

Lat: 39.61°NLon: 77.01°WElev: 789ft.

Partly Cloudy

70°F

21°C

Humidity 94%
Wind Speed W 3 mph
Barometer 29.94 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 4 Sep 3:15 am EDT
Extended Forecast for

Unionville MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of thunderstorms, mainly after 5pm.  Increasing clouds, with a high near 87. Calm wind becoming northwest 5 to 8 mph in the morning.  Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 68. Light west wind.  Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms between 7am and 8am.  Partly sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Light north wind.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 71. Southwest wind around 5 mph.
Friday
A chance of thunderstorms, mainly after 5pm. Increasing clouds, with a high near 87. Calm wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 68. Light west wind. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms between 7am and 8am. Partly sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 59. Light north wind.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 57.
Labor Day
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville MD
 39.5°N 77.12°W (Elev. 548 ft)
3:10 am EDT Sep 4, 2026
3am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
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