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.

Light Rain

49°F

9°C

Humidity 66%
Wind Speed Vrbl 5 mph
Barometer 30.14 in (1022.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 15 Mar 5:56 pm EDT
Extended Forecast for

3 Miles W North Potomac MD

  • Tonight

    Tonight: Showers, mainly before 5am.  Temperature falling to near 54 by 8pm, then rising to around 62 during the remainder of the night. Southeast wind 15 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    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 72. Breezy, with a south wind 15 to 21 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: 72 °F

    Showers
    Likely then
    Severe
    Thunderstorms
    and Breezy

  • 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 24. West wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °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 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers, mainly before 5am. Temperature falling to near 54 by 8pm, then rising to around 62 during the remainder of the night. Southeast wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
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 72. Breezy, with a south wind 15 to 21 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 24. West wind 5 to 10 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W North Potomac MD
 39.1°N 77.31°W (Elev. 348 ft)
4:53 pm EDT Mar 15, 2026
6pm 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