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.

Partly Cloudy

75°F

24°C

Humidity 64%
Wind Speed SW 14 G 22 mph
Barometer 29.95 in (1015.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 15 Apr 11:56 am EDT
Extended Forecast for

Slippery Rock PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 81. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 61. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Southwest wind 7 to 13 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 56. West wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 73. Northwest wind around 6 mph.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 81. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 61. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Southwest wind 7 to 13 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 56. West wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 73. Northwest wind around 6 mph.
Friday Night
Partly cloudy, with a low around 53.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow showers before 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Slippery Rock PA
 41.08°N 80.06°W (Elev. 1237 ft)
Last Update:
12:07 pm EDT Apr 15, 2026
Forecast Valid:
12pm EDT Apr 15, 2026-6pm EDT Apr 21, 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