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.

Fair

81°F

27°C

Humidity 65%
Wind Speed SW 7 mph
Barometer 30.17 in (1021.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Jun 11:56 am EDT
Extended Forecast for

Portersville PA

Extreme Heat Warning June 22, 11:00am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 87. Southwest wind around 8 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. South wind around 6 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 92. Heat index values as high as 100. Southwest wind 6 to 8 mph.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Light southwest wind.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 93. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of sprinkles after 2pm. Sunny and hot, with a high near 92.

    High: 92 °F

    Chance
    Sprinkles

  • Tuesday Night

    Tuesday Night: A chance of sprinkles before 2am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    Sprinkles

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 87. Southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 68. South wind around 6 mph.
Sunday
Sunny and hot, with a high near 92. Heat index values as high as 100. Southwest wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 71. Light southwest wind.
Monday
Sunny and hot, with a high near 93. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A chance of sprinkles after 2pm. Sunny and hot, with a high near 92.
Tuesday Night
A chance of sprinkles before 2am. Partly cloudy, with a low around 70.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portersville PA
 40.93°N 80.14°W (Elev. 1296 ft)
Last Update:
10:05 am EDT Jun 21, 2025
Forecast Valid:
12pm EDT Jun 21, 2025-6pm EDT Jun 27, 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