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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 >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

17°F

-8°C

Humidity 54%
Wind Speed N 12 mph
Barometer 30.12 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 31 Jan 1:15 pm EST
Extended Forecast for

3 Miles W Conowingo MD

Cold Weather Advisory January 31, 10:00pm until February 1, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 20. North wind around 8 mph.

    High: 20 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 9. Wind chill values as low as -5. North wind 5 to 13 mph, with gusts as high as 25 mph.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Wind chill values as low as -7. North wind 13 to 17 mph, with gusts as high as 33 mph.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 12. Wind chill values as low as zero. Northwest wind around 11 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 28. Northwest wind 8 to 11 mph, with gusts as high as 25 mph.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 20. North wind around 8 mph.
Tonight
Mostly cloudy, with a low around 9. Wind chill values as low as -5. North wind 5 to 13 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 25. Wind chill values as low as -7. North wind 13 to 17 mph, with gusts as high as 33 mph.
Sunday Night
Mostly clear, with a low around 12. Wind chill values as low as zero. Northwest wind around 11 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 28. Northwest wind 8 to 11 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 11.
Friday
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Conowingo MD
 39.7°N 76.22°W (Elev. 49 ft)
Last Update:
12:52 pm EST Jan 31, 2026
Forecast Valid:
1pm EST Jan 31, 2026-6pm EST Feb 6, 2026
 
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