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

Atmospheric River Continues to Impact the Northwest U.S.; Gusty to High Winds in the Northeast U.S.

A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. Wednesday into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >

Current conditions at

Clarksville 4 NNE (001MD)

Lat: 39.26°NLon: 76.93°WElev: 361ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles SSE Unionville MD

  • Overnight

    Overnight: Mostly clear, with a low around 40. Light south wind.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 67. Southwest wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 67 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Northwest wind 13 to 17 mph, with gusts as high as 43 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Partly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 40. Light south wind.
Wednesday
Increasing clouds, with a high near 67. Southwest wind 5 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 41. Northwest wind 13 to 17 mph, with gusts as high as 43 mph.
Thursday
Sunny, with a high near 55. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 35. Calm wind.
Friday
Partly sunny, with a high near 59.
Friday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
A chance of rain after 1am. Partly cloudy, with a low around 45. Chance of precipitation is 30%.
Sunday
A chance of rain. Partly sunny, with a high near 63. Chance of precipitation is 40%.
Sunday Night
A chance of rain. Partly cloudy, with a low around 34. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 27.
Veterans Day
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Unionville MD
 39.45°N 77.1°W (Elev. 705 ft)
Last Update:
12:29 am EST Nov 5, 2025
Forecast Valid:
12am EST Nov 5, 2025-6pm EST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation