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

48°F

9°C

Humidity 41%
Wind Speed SE 13 G 23 mph
Barometer 30.31 in (1028.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 15 Mar 11:56 am EDT
Extended Forecast for

Dayton MD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 57. Southeast wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 57 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly before 5am.  Low around 50. 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: 50 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. Some of the storms could be severe and produce heavy rainfall.  High near 70. Breezy, with a south wind 14 to 20 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 70 °F

    Showers then
    Severe
    Thunderstorms
    and Breezy

  • Monday Night

    Monday Night: Rain showers before 11pm, then rain and snow showers. The rain could be heavy at times. Some thunder is also possible.  Low around 27. West wind 15 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Breezy, with a west wind 14 to 20 mph, with gusts as high as 33 mph.

    High: 37 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °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

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 57. Southeast wind 14 to 16 mph, with gusts as high as 26 mph.
Tonight
Showers, mainly before 5am. Low around 50. 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 and produce heavy rainfall. High near 70. Breezy, with a south wind 14 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain showers before 11pm, then rain and snow showers. The rain could be heavy at times. Some thunder is also possible. Low around 27. West wind 15 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 37. Breezy, with a west wind 14 to 20 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Partly sunny, with a high near 39.
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 36.
Friday
Mostly sunny, with a high near 55.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton MD
 39.24°N 76.99°W (Elev. 568 ft)
10:53 am EDT Mar 15, 2026
12pm EDT Mar 15, 2026-6pm EDT Mar 21, 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