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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

23°F

-5°C

Humidity 78%
Wind Speed Calm
Barometer 30.20 in (1024.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 13 Feb 10:56 pm EST
Extended Forecast for

Olney MD

  • Tonight

    Tonight: Mostly clear, with a low around 25. Southwest wind 3 to 5 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Southwest wind 5 to 7 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 31. Calm wind.

    Low: 31 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Cloudy, with a high near 43. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 1am. Cloudy, with a low around 34. Light and variable wind. Chance of precipitation is 50%.

    Low: 34 °F

    Chance Rain

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Southwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 51. Southwest wind 5 to 7 mph.
Saturday Night
Increasing clouds, with a low around 31. Calm wind.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 43. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of rain, mainly before 1am. Cloudy, with a low around 34. Light and variable wind. Chance of precipitation is 50%.
Washington's Birthday
Mostly cloudy, with a high near 46.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A chance of rain after 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.16°N 77.06°W (Elev. 486 ft)
Last Update:
10:46 pm EST Feb 13, 2026
Forecast Valid:
11pm EST Feb 13, 2026-6pm EST Feb 20, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation