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

Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

32°F

0°C

Humidity 56%
Wind Speed NW 12 G 26 mph
Barometer 30.13 in (1022.3 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 12 Feb 10:56 am EST
Extended Forecast for

Olney MD

  • Today

    Today: Scattered flurries before 2pm. Mostly cloudy, with a high near 35. Northwest wind around 15 mph, with gusts as high as 26 mph.

    High: 35 °F

    Scattered
    Flurries

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Northwest wind around 9 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 38. Northwest wind 7 to 10 mph.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. Light west wind.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50. West wind 5 to 8 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain. Cloudy, with a high near 42. Chance of precipitation is 50%.

    High: 42 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.

    Low: 34 °F

    Chance Rain

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered flurries before 2pm. Mostly cloudy, with a high near 35. Northwest wind around 15 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Northwest wind around 9 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 38. Northwest wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 24. Light west wind.
Saturday
Sunny, with a high near 50. West wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
A chance of rain. Cloudy, with a high near 42. Chance of precipitation is 50%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Washington's Birthday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Cloudy, with a low around 38.
Wednesday
A chance of rain. Mostly cloudy, with a high near 55. 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:
9:54 am EST Feb 12, 2026
Forecast Valid:
11am EST Feb 12, 2026-6pm EST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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