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.

Fair

74°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 30.09 in (1019.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 7 Aug 8:56 pm EDT
Extended Forecast for

Slippery Rock PA

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 65. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 83. Southwest wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly between 11pm and 1am. Partly cloudy, with a low around 64. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 84. West wind 3 to 6 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.

    Low: 63 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 65. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 83. Southwest wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, mainly between 11pm and 1am. Partly cloudy, with a low around 64. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 84. West wind 3 to 6 mph.
Sunday Night
A chance of showers after 2am. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 62. Chance of precipitation is 80%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Thursday Night
A chance of thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slippery Rock PA
 41.08°N 80.06°W (Elev. 1237 ft)
Last Update:
9:11 pm EDT Aug 7, 2026
Forecast Valid:
9pm EDT Aug 7, 2026-6pm EDT Aug 14, 2026
 
Forecast Discussion
 
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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