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

Hazardous Weather Conditions

Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Light Snow

24°F

-4°C

Humidity 77%
Wind Speed W 12 G 25 mph
Barometer 29.85 in (1013.8 mb)
Dewpoint 18°F (-8°C)
Visibility 4.00 mi
Wind Chill13°F (-11°C)
Last update 29 Dec 10:56 pm EST
Extended Forecast for

4 Miles ESE Mercer PA

Winter Weather Advisory December 29, 11:11pm until December 30, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 29, 11:11pm until December 30, 01:00pm

    NOW until 1:00pm Tue

    Winter Weather Advisory

  • Tonight

    Low: 18 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Tuesday

    Tuesday: A chance of snow. Patchy blowing snow between 11am and noon. Mostly cloudy, with a high near 24. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Tuesday Night

    Tuesday Night: Snow. Low around 17. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 17 °F

    Snow

  • Wednesday

    Wednesday: Snow. High near 28. Southwest wind 13 to 15 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 28 °F

    Snow Likely
    then Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 1am. Low around 11. West wind 10 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 11 °F

    Snow

  • New Year's Day

    New Year's Day: A chance of snow, mainly before 1pm. Partly sunny, with a high near 19. Chance of precipitation is 30%.

    High: 19 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely. Patchy blowing snow. Mostly cloudy, with a low around 18. Breezy, with a west wind 21 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
Tuesday
A chance of snow. Patchy blowing snow between 11am and noon. Mostly cloudy, with a high near 24. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow. Low around 17. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow. High near 28. Southwest wind 13 to 15 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow, mainly before 1am. Low around 11. West wind 10 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
New Year's Day
A chance of snow, mainly before 1pm. Partly sunny, with a high near 19. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Mostly cloudy, with a high near 26.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
Mostly cloudy, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Mercer PA
 41.2°N 80.16°W (Elev. 1355 ft)
Last Update:
9:43 pm EST Dec 29, 2025
Forecast Valid:
11pm EST Dec 29, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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