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

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Overcast

25°F

-4°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.92 in (1015.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 5 Dec 8:56 pm EST
Extended Forecast for

Karns City PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. Calm wind becoming southwest around 6 mph after midnight.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 35. Southwest wind 6 to 9 mph.

    High: 35 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. West wind around 5 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow, mainly after 1pm. Cloudy, with a high near 35. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 15. North wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.

    High: 33 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. Calm wind becoming southwest around 6 mph after midnight.
Saturday
Mostly cloudy, with a high near 35. Southwest wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 22. West wind around 5 mph becoming calm in the evening.
Sunday
A chance of snow, mainly after 1pm. Cloudy, with a high near 35. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 15. North wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.
Wednesday
Rain and snow likely before 1pm, then rain. High near 39. Chance of precipitation is 90%.
Wednesday Night
Rain and snow. Low around 23. Chance of precipitation is 90%.
Thursday
Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 16. Chance of precipitation is 50%.
Friday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Karns City PA
 40.99°N 79.73°W (Elev. 1243 ft)
Last Update:
5:18 pm EST Dec 5, 2025
Forecast Valid:
9pm EST Dec 5, 2025-6pm EST Dec 12, 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