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

Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. 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 43%
Wind Speed NW 9 G 17 mph
Barometer 29.72 in (1008.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 16 Nov 8:56 pm EST
Extended Forecast for

Colesville MD

  • Tonight

    Tonight: Mostly clear, with a low around 36. West wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. Northwest wind 11 to 18 mph, with gusts as high as 31 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Northwest wind 3 to 7 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain after 1pm. Increasing clouds, with a high near 47. West wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 47 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 38. Calm wind. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 36. West wind 10 to 13 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 49. Northwest wind 11 to 18 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 30. Northwest wind 3 to 7 mph.
Tuesday
A chance of rain after 1pm. Increasing clouds, with a high near 47. West wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday Night
Rain likely. Cloudy, with a low around 38. Calm wind. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Mostly cloudy, with a high near 57.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Saturday
A chance of rain. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Colesville MD
 39.09°N 77.02°W (Elev. 299 ft)
Last Update:
6:53 pm EST Nov 16, 2025
Forecast Valid:
9pm EST Nov 16, 2025-6pm EST Nov 23, 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