Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

13°F

-11°C

Humidity 59%
Wind Speed NW 12 G 20 mph
Barometer 29.90 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 1 Feb 9:35 am EST
Extended Forecast for

3 Miles N Jarrettsville MD

Cold Weather Advisory February 1, 09:42am until February 1, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 1, 09:42am until February 1, 01:00pm

    NOW until 1:00pm Sun

    Cold Weather Advisory

  • Today

    High: 21 °F

    Partly Sunny
    and Blustery

  • Tonight

    Tonight: Mostly clear, with a low around 11. Wind chill values as low as -4. Northwest wind around 16 mph, with gusts as high as 29 mph.

    Low: 11 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 28. Wind chill values as low as -3. Northwest wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. Northwest wind 5 to 7 mph.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West wind 3 to 7 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly after 1am.  Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, with a high near 21. Wind chill values as low as -6. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 11. Wind chill values as low as -4. Northwest wind around 16 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 28. Wind chill values as low as -3. Northwest wind 10 to 15 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 13. Northwest wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 32. West wind 3 to 7 mph.
Tuesday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Mostly clear, with a low around 10.
Thursday
Sunny, with a high near 25.
Thursday Night
Partly cloudy, with a low around 11.
Friday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Jarrettsville MD
 39.63°N 76.46°W (Elev. 597 ft)
9:04 am EST Feb 1, 2026
9am EST Feb 1, 2026-6pm EST Feb 7, 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