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Hazardous Weather Conditions

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Heavy Rain

68°F

20°C

Humidity NA
Wind Speed W 7 G 30 mph
Barometer 29.76 in (1007.6 mb)
Dewpoint N/A
Visibility 1.75 mi
Last update 2 Aug 2:56 pm EDT
Extended Forecast for

McGrann PA

Flood Watch August 2, 03:39pm until August 3, 12:00am
Flash Flood Warning until August 2, 06:30pm
Click here for hazard details and duration
Flood Watch
Flash Flood Warning
  •  
    Flood Watch August 2, 03:39pm until August 3, 12:00am
    Flash Flood Warning until August 2, 06:30pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 79 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am. Patchy fog after 11pm. Low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Partly sunny, with a high near 80. North wind 5 to 8 mph.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 8am. Otherwise, sunny, with a high near 84. Light southeast wind.

    High: 84 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms. High near 79. Southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms, mainly before 1am. Patchy fog after 11pm. Low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 80. North wind 5 to 8 mph.
Monday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.
Tuesday
Areas of fog before 8am. Otherwise, sunny, with a high near 84. Light southeast wind.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
McGrann PA
 40.77°N 79.53°W (Elev. 801 ft)
Last Update:
2:21 pm EDT Aug 2, 2026
Forecast Valid:
3pm EDT Aug 2, 2026-6pm EDT Aug 8, 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