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.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in (1017.4 mb)
Dewpoint 70°F (21°C)
Visibility 4.00 mi
Last update 14 Jul 3:56 am EDT
Extended Forecast for

Slippery Rock PA

  • Today

    Today: Scattered showers and thunderstorms before 2pm, then isolated showers and thunderstorms after 5pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 84. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Scattered
    T-storms and
    Areas Fog

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm. Patchy dense fog after 10pm. Otherwise, mostly clear, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Scattered
    T-storms and
    Patchy Fog
    then Patchy
    Dense Fog

  • Tuesday

    Tuesday: Patchy dense fog before 9am. Otherwise, sunny, with a high near 88. Calm wind.

    High: 88 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Scattered showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Scattered
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then isolated showers. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    T-storms
    Likely then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.

    High: 86 °F

    Scattered
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly before 2am, then scattered showers and thunderstorms after 2am. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely

Detailed Forecast

Today
Scattered showers and thunderstorms before 2pm, then isolated showers and thunderstorms after 5pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 84. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms, mainly before 7pm. Patchy dense fog after 10pm. Otherwise, mostly clear, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Patchy dense fog before 9am. Otherwise, sunny, with a high near 88. Calm wind.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Wednesday
Scattered showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 2am, then isolated showers. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Scattered showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm, mainly before 2am, then scattered showers and thunderstorms after 2am. Low around 68. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
Scattered showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Slippery Rock PA
 41.08°N 80.06°W (Elev. 1237 ft)
Last Update:
4:06 am EDT Jul 14, 2025
Forecast Valid:
4am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
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