Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

49°F

9°C

Humidity 69%
Wind Speed Vrbl 6 mph
Barometer 30.12 in (1021.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 15 Mar 6:56 pm EDT
Extended Forecast for

4 Miles ESE Poolesville MD

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 5am.  Low around 54. Southeast wind around 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe and produce heavy rainfall.  High near 71. Breezy, with a south wind 16 to 22 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Breezy.
    Showers
    Likely then
    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Some of the storms could be severe and produce heavy rainfall.  Low around 28. West wind 14 to 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 28 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Tuesday

    Tuesday: Increasing clouds, with a high near 39. West wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 39 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. West wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers, with thunderstorms also possible after 5am. Low around 54. Southeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe and produce heavy rainfall. High near 71. Breezy, with a south wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Some of the storms could be severe and produce heavy rainfall. Low around 28. West wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Increasing clouds, with a high near 39. West wind 13 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 23. West wind 5 to 11 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Poolesville MD
 39.12°N 77.36°W (Elev. 348 ft)
4:53 pm EDT Mar 15, 2026
7pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database