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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

8°F

-13°C

Humidity 65%
Wind Speed W 8 mph
Barometer 30.13 in
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 29 Jan 4:55 am EST
Extended Forecast for

Perryville MD

Cold Weather Advisory January 29, 07:00pm until January 30, 11:00am
Cold Weather Advisory January 29, 05:12am until January 29, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
...
  •  
    Cold Weather Advisory January 29, 05:12am until January 29, 11:00am

    NOW until 11:00am Thu

    Cold Weather Advisory

  • Today

    High: 20 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 4. Wind chill values as low as -6. Northwest wind 7 to 9 mph.

    Low: 4 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 18. Wind chill values as low as -7. Northwest wind 6 to 8 mph.

    High: 18 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6. Wind chill values as low as -6. Northwest wind 3 to 7 mph.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 19. North wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 19 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 13. Blustery. Chance of precipitation is 30%.

    Low: 13 °F

    Chance Snow
    and Blustery

  • Sunday

    Sunday: Mostly cloudy, with a high near 24. Blustery.

    High: 24 °F

    Mostly Cloudy
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18. Blustery.

    Low: 18 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Today
Sunny, with a high near 20. Wind chill values as low as -9. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 4. Wind chill values as low as -6. Northwest wind 7 to 9 mph.
Friday
Sunny, with a high near 18. Wind chill values as low as -7. Northwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 6. Wind chill values as low as -6. Northwest wind 3 to 7 mph.
Saturday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 19. North wind 8 to 10 mph. Chance of precipitation is 20%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13. Blustery. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 24. Blustery.
Sunday Night
Mostly cloudy, with a low around 18. Blustery.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Perryville MD
 39.57°N 76.07°W (Elev. 79 ft)
Last Update:
3:54 am EST Jan 29, 2026
Forecast Valid:
5am EST Jan 29, 2026-6pm EST Feb 4, 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