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

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

37°F

3°C

Humidity 54%
Wind Speed NA
Barometer 30.11 in (1020.3 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Last update 3 Dec 10:53 am EST
Extended Forecast for

3 Miles SSE McKnightstown PA

  • Today

    Today: Sunny, with a high near 39. Light and variable wind.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 38. Light and variable wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11. Northwest wind around 6 mph becoming calm in the evening.

    Low: 11 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 1pm. Partly sunny, with a high near 31. Calm wind becoming south around 6 mph. Chance of precipitation is 30%.

    High: 31 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 39. Light and variable wind.
Tonight
Mostly clear, with a low around 22. Calm wind.
Thursday
Partly sunny, with a high near 38. Light and variable wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 11. Northwest wind around 6 mph becoming calm in the evening.
Friday
A chance of snow after 1pm. Partly sunny, with a high near 31. Calm wind becoming south around 6 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly cloudy, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE McKnightstown PA
 39.83°N 77.3°W (Elev. 502 ft)
Last Update:
11:11 am EST Dec 3, 2025
Forecast Valid:
11am EST Dec 3, 2025-6pm EST Dec 9, 2025
 
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