National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

42°F

6°C

Humidity 62%
Wind Speed S 5 mph
Barometer 30.03 in (1018.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 17 Jan 2:56 pm EST
Extended Forecast for

3 Miles SW North Potomac MD

  • Tonight

    Tonight: A slight chance of snow before 2am, then a chance of rain between 2am and 3am, then a chance of rain and snow after 3am. Increasing clouds, with a low around 30. Light and variable wind. Chance of precipitation is 40%.

    Low: 30 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow likely, possibly mixed with rain, becoming all snow after 8am. Cloudy, with a high near 34. Northwest wind 5 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Northwest wind around 6 mph becoming calm in the evening.

    Low: 18 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 37. Southwest wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. West wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow before 2am, then a chance of rain between 2am and 3am, then a chance of rain and snow after 3am. Increasing clouds, with a low around 30. Light and variable wind. Chance of precipitation is 40%.
Sunday
Snow likely, possibly mixed with rain, becoming all snow after 8am. Cloudy, with a high near 34. Northwest wind 5 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Partly cloudy, with a low around 18. Northwest wind around 6 mph becoming calm in the evening.
M.L.King Day
Sunny, with a high near 37. Southwest wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Partly cloudy, with a low around 13. West wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 20.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW North Potomac MD
 39.07°N 77.28°W (Elev. 299 ft)
Last Update:
2:22 pm EST Jan 17, 2026
Forecast Valid:
3pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation