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

42°F

6°C

Humidity 36%
Wind Speed W 16 G 21 mph
Barometer 30.19 in (1023.7 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Mar 1:56 pm EDT
Extended Forecast for

Mc Grann PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 47. West wind 6 to 9 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: A slight chance of rain and snow before 1am, then a slight chance of snow between 1am and 2am. Increasing clouds, with a low around 35. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Partly sunny, with a high near 64. South wind 10 to 16 mph, with gusts as high as 30 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Mostly cloudy, with a low around 47. Southeast wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain before 5pm, then snow, possibly mixed with rain. High near 66. South wind around 14 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 66 °F

    Rain then
    Rain/Snow

  • Monday Night

    Monday Night: Snow showers, possibly mixed with rain before 8pm, then a chance of snow showers. Low around 20. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 20 °F

    Rain/Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 47. West wind 6 to 9 mph.
Tonight
A slight chance of rain and snow before 1am, then a slight chance of snow between 1am and 2am. Increasing clouds, with a low around 35. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 64. South wind 10 to 16 mph, with gusts as high as 30 mph.
Sunday Night
A chance of rain after 2am. Mostly cloudy, with a low around 47. Southeast wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday
Rain before 5pm, then snow, possibly mixed with rain. High near 66. South wind around 14 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
Snow showers, possibly mixed with rain before 8pm, then a chance of snow showers. Low around 20. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly cloudy, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Grann PA
 40.77°N 79.53°W (Elev. 801 ft)
Last Update:
2:21 pm EDT Mar 14, 2026
Forecast Valid:
2pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation