Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Carroll County Regional Jack B Poage Field (KDMW)

Lat: 39.61°NLon: 77.01°WElev: 789ft.

Fair

64°F

18°C

Humidity 73%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 2:15 am EDT
Extended Forecast for

4 Miles SSE Unionville MD

  • Overnight

    Overnight: Mostly clear, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. West wind 7 to 14 mph, with gusts as high as 18 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 64. Light and variable wind becoming east around 6 mph after midnight.

    Low: 64 °F

    Increasing
    Clouds

  • Monday

    Monday: Scattered showers before 11am, then scattered showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 90. Southeast wind 9 to 16 mph becoming south in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Scattered
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then scattered showers.  Low around 64. Southwest wind 5 to 13 mph becoming north after midnight.  Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly before 8am.  Mostly cloudy, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 60. West wind around 5 mph.
Sunday
Sunny, with a high near 83. West wind 7 to 14 mph, with gusts as high as 18 mph.
Sunday Night
Increasing clouds, with a low around 64. Light and variable wind becoming east around 6 mph after midnight.
Monday
Scattered showers before 11am, then scattered showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Southeast wind 9 to 16 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm before 2am, then scattered showers. Low around 64. Southwest wind 5 to 13 mph becoming north after midnight. Chance of precipitation is 80%.
Tuesday
Scattered showers, mainly before 8am. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Unionville MD
 39.47°N 77.07°W (Elev. 778 ft)
2:22 am EDT Jun 21, 2026
2am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
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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