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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

43°F

6°C

Humidity 63%
Wind Speed S 5 mph
Barometer 30.05 in (1019.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 17 Jan 3:56 pm EST
Extended Forecast for

Olney MD

  • Tonight

    Tonight: A slight chance of snow before 2am, then a chance of rain between 2am and 4am, then a chance of rain and snow after 4am. Increasing clouds, with a low around 31. Light and variable wind. Chance of precipitation is 40%.

    Low: 31 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow likely, possibly mixed with rain, becoming all snow after 9am. Cloudy, with a high near 33. Northwest wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 33 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Northwest wind 3 to 6 mph.

    Low: 18 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 36. West wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 25.

    High: 25 °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 36.

    High: 36 °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 4am, then a chance of rain and snow after 4am. Increasing clouds, with a low around 31. Light and variable wind. Chance of precipitation is 40%.
Sunday
Snow likely, possibly mixed with rain, becoming all snow after 9am. Cloudy, with a high near 33. Northwest wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Sunday Night
Partly cloudy, with a low around 18. Northwest wind 3 to 6 mph.
M.L.King Day
Sunny, with a high near 36. West wind 5 to 14 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 13. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 20.
Friday
Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 24.
Saturday
A chance of rain and snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.16°N 77.06°W (Elev. 486 ft)
Last Update:
3:53 pm EST Jan 17, 2026
Forecast Valid:
4pm 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