Snow May Produce Poor Travel Conditions in the North-Central U.S. and East Coast

A strong cold front sweeping across the Northern Plains may bring snow showers and snow squalls from eastern Montana to north-central Nebraska, with blizzard conditions possible in eastern North Dakota and northwestern Montana. Heavy snow is expected to persist downwind of the Great Lakes. Snow showers will spread up the East Coast across the Mid-Atlantic and Northeast coasts. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

33°F

1°C

Humidity 92%
Wind Speed Vrbl 5 mph
Barometer 29.92 in (1015.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 18 Jan 1:56 pm EST
Extended Forecast for

Derwood MD

  • This Afternoon

    This Afternoon: A chance of snow, mainly before 4pm.  Cloudy, with a high near 35. North wind around 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 40%.

    High: 35 °F

    Chance Snow

  • Tonight

    Tonight: Mostly clear, with a low around 20. Northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 20 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 38. South wind 5 to 10 mph becoming west 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. West wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27. West wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 37.

    High: 37 °F

    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 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of snow, mainly before 4pm. Cloudy, with a high near 35. North wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Tonight
Mostly clear, with a low around 20. Northwest wind 5 to 7 mph becoming light and variable after midnight.
M.L.King Day
Sunny, with a high near 38. South wind 5 to 10 mph becoming west 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly clear, with a low around 15. West wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 27. West wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 20.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Derwood MD
 39.12°N 77.13°W (Elev. 348 ft)
12:54 pm EST Jan 18, 2026
2pm EST Jan 18, 2026-6pm EST Jan 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database