Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. 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 through tonight, moving into the Mid-Atlantic Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

61°F

16°C

Humidity NA
Wind Speed SE 13 mph
Barometer 29.68 in (1006.5 mb)
Dewpoint N/A
Visibility 8.00 mi
Last update 16 Mar 5:56 am EDT
Extended Forecast for

2 Miles NNW Colesville MD

  • Today

    Today: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe.  Mostly cloudy, with a high near 71. Breezy, with a south wind 13 to 22 mph, with gusts as high as 41 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Showers
    Likely then
    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Rain showers, possibly mixing with snow after midnight, then gradually ending. The rain could be heavy at times. Some thunder is also possible.  Low around 28. Breezy, with a west wind 16 to 24 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 28 °F

    Breezy.
    Severe
    Thunderstorms
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West wind around 15 mph, with gusts as high as 26 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.

    High: 38 °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

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 71. Breezy, with a south wind 13 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Rain showers, possibly mixing with snow after midnight, then gradually ending. The rain could be heavy at times. Some thunder is also possible. Low around 28. Breezy, with a west wind 16 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 40. West wind around 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 24. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 38. Calm wind becoming south around 6 mph in the afternoon.
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 60.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly cloudy, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Colesville MD
 39.11°N 77.02°W (Elev. 436 ft)
4:54 am EDT Mar 16, 2026
6am EDT Mar 16, 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