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Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

40°F

4°C

Humidity 60%
Wind Speed N 6 mph
Barometer 29.77 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 13 Nov 11:55 pm EST
Extended Forecast for

Jarrettsville MD

Freeze Warning until November 14, 08:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until November 14, 08:00am

    NOW until 8:00am Sat

    Freeze Warning

  • Overnight

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 48. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 48 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Increasing clouds, with a high near 50. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 50 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. Northwest wind around 7 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 32.

    Low: 32 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 33. Northwest wind 7 to 9 mph.
Saturday
Increasing clouds, with a high near 48. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind 9 to 11 mph, with gusts as high as 22 mph.
Sunday
Increasing clouds, with a high near 50. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 33. Northwest wind around 7 mph.
Monday
Sunny, with a high near 52.
Monday Night
Clear, with a low around 32.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Clear, with a low around 34.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Clear, with a low around 34.
Thursday
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jarrettsville MD
 39.61°N 76.49°W (Elev. 689 ft)
Last Update:
9:52 pm EST Nov 13, 2026
Forecast Valid:
12am EST Nov 14, 2026-6pm EST Nov 20, 2026
 
Forecast Discussion
 
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Additional Resources

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