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

Hazardous Weather Conditions

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Overcast

72°F

22°C

Humidity NA
Wind Speed S 5 mph
Barometer 29.96 in
Dewpoint N/A
Visibility 10.00 mi
Last update 11 Aug 6:56 pm EDT
Extended Forecast for

Prospect PA

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    T-storms
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

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

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 57.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Prospect PA
 40.9°N 80.06°W (Elev. 1198 ft)
Last Update:
6:21 pm EDT Aug 11, 2026
Forecast Valid:
7pm EDT Aug 11, 2026-6pm EDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation