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

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

38°F

3°C

Humidity 57%
Wind Speed SW 3 mph
Barometer 30.07 in (1020.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 3 Dec 5:53 pm EST
Extended Forecast for

Chambersburg PA

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Calm wind becoming southwest around 5 mph after midnight.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14. Northwest wind around 6 mph becoming calm in the evening.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: A chance of light snow. Mostly cloudy, with a high near 30. Calm wind becoming south around 6 mph. Chance of precipitation is 40%.

    High: 30 °F

    Chance Light
    Snow

  • Friday Night

    Friday Night: A slight chance of light snow before 1am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Light Snow

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Partly sunny, with a high near 38. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 14. Northwest wind around 6 mph becoming calm in the evening.
Friday
A chance of light snow. Mostly cloudy, with a high near 30. Calm wind becoming south around 6 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of light snow before 1am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly cloudy, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
1:16 pm EST Dec 3, 2025
Forecast Valid:
6pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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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