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Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

41°F

5°C

Humidity 45%
Wind Speed W 5 mph
Barometer 30.32 in (1028.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 1 Dec 2:56 pm EST
Extended Forecast for

Glenwood MD

Winter Weather Advisory December 2, 05:00am until December 2, 10:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A chance of snow and sleet between 4am and 5am, then sleet likely. Mostly cloudy, with a low around 29. Light and variable wind becoming southeast around 6 mph in the evening. Chance of precipitation is 60%. Total nighttime snow and sleet accumulation of less than a half inch possible.

    Low: 29 °F

    Mostly Cloudy
    then
    Snow/Sleet
    Likely

  • Tuesday

    Tuesday: Rain, snow, and sleet before 2pm, then a chance of rain between 2pm and 4pm. High near 38. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.

    High: 38 °F

    Wintry Mix
    then Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Northwest wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 38. Northwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of snow and sleet between 4am and 5am, then sleet likely. Mostly cloudy, with a low around 29. Light and variable wind becoming southeast around 6 mph in the evening. Chance of precipitation is 60%. Total nighttime snow and sleet accumulation of less than a half inch possible.
Tuesday
Rain, snow, and sleet before 2pm, then a chance of rain between 2pm and 4pm. High near 38. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Tuesday Night
Mostly clear, with a low around 26. Northwest wind 10 to 14 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 38. Northwest wind 5 to 8 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 25. Calm wind.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 32.
Friday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glenwood MD
 39.31°N 77.01°W (Elev. 548 ft)
Last Update:
3:02 pm EST Dec 1, 2025
Forecast Valid:
3pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
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