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

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

A Few Clouds

14°F

-10°C

Humidity 53%
Wind Speed W 17 mph
Barometer 30.09 in (1021.1 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 29 Jan 12:53 am EST
Extended Forecast for

4 Miles N Williamsport MD

Cold Weather Advisory January 29, 01:37am until January 29, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 29, 01:37am until January 29, 11:00am

    NOW until 11:00am Thu

    Cold Weather Advisory

  • Overnight

    Low: 2 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 20. Wind chill values as low as -8. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 20 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 0. Northwest wind around 6 mph becoming calm in the evening.

    Low: 0 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 21. Wind chill values as low as -1. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 21 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 1. Light northwest wind.

    Low: 1 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 2. Wind chill values as low as -8. West wind around 7 mph.
Thursday
Increasing clouds, with a high near 20. Wind chill values as low as -8. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 0. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 21. Wind chill values as low as -1. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 1. Light northwest wind.
Saturday
Partly sunny, with a high near 20.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
Partly sunny, with a high near 24.
Sunday Night
Mostly clear, with a low around 13.
Monday
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsport MD
 39.66°N 77.82°W (Elev. 472 ft)
Last Update:
12:53 am EST Jan 29, 2026
Forecast Valid:
1am EST Jan 29, 2026-6pm EST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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