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

53°F

12°C

Humidity 51%
Wind Speed SE 14 G 20 mph
Barometer 30.20 in (1024.3 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 15 Mar 2:56 pm EDT
Extended Forecast for

North Potomac MD

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 5am.  Low around 54. Southeast wind 15 to 17 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: A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 2pm, then a chance of showers and thunderstorms after 2pm.  Cloudy, with a high near 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers before 2am. The rain could be heavy at times.  Low around 28. West wind 14 to 17 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

    Heavy Rain

  • 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 40.

    High: 40 °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, with thunderstorms also possible after 5am. Low around 54. Southeast wind 15 to 17 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
A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers before 2am. The rain could be heavy at times. Low around 28. West wind 14 to 17 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 40.
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:
North Potomac MD
 39.11°N 77.25°W (Elev. 351 ft)
1:53 pm EDT Mar 15, 2026
3pm EDT Mar 15, 2026-6pm EDT Mar 22, 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