Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Thunderstorm in Vicinity

64°F

18°C

Humidity 100%
Wind Speed SW 15 G 26 mph
Barometer 29.54 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 16 Mar 11:47 am EDT
Extended Forecast for

Green Valley MD

Tornado Watch until March 16, 07:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch until March 16, 07:00pm

    NOW until 7:00pm Mon

    Tornado Watch

  • This Afternoon

    High: 68 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Rain and snow showers before midnight, then a slight chance of snow showers between midnight and 1am. Some thunder is also possible.  Low around 27. Breezy, with a west wind 17 to 21 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 27 °F

    Breezy.
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. West wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 68. Breezy, with a south wind 21 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and snow showers before midnight, then a slight chance of snow showers between midnight and 1am. Some thunder is also possible. Low around 27. Breezy, with a west wind 17 to 21 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 37. West wind 14 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 23. 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 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 58.
Friday Night
A chance of rain after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Saturday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 57.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Green Valley MD
 39.36°N 77.23°W (Elev. 600 ft)
10:58 am EDT Mar 16, 2026
12pm 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