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

46°F

8°C

Humidity 38%
Wind Speed SE 14 G 18 mph
Barometer 30.33 in (1028.6 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 15 Mar 9:56 am EDT
Extended Forecast for

4 Miles SE Poolesville MD

  • Today

    Today: Mostly cloudy, with a high near 59. Southeast wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly before 5am.  Low around 52. Southeast wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. Some of the storms could be severe.  High near 72. Breezy, with a south wind 14 to 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Severe
    Thunderstorms
    and Breezy

  • Monday Night

    Monday Night: Rain showers before 11pm, then rain, possibly mixed with snow showers. Some thunder is also possible.  Low around 28. West wind 14 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. West wind 13 to 18 mph, with gusts as high as 32 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    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 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 59. Southeast wind 10 to 15 mph, with gusts as high as 26 mph.
Tonight
Showers, mainly before 5am. Low around 52. Southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 72. Breezy, with a south wind 14 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 11pm, then rain, possibly mixed with snow showers. Some thunder is also possible. Low around 28. West wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 38. West wind 13 to 18 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 58.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 58. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Poolesville MD
 39.1°N 77.36°W (Elev. 292 ft)
7:53 am EDT Mar 15, 2026
10am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database