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

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Light Rain

36°F

2°C

Humidity 93%
Wind Speed SW 10 mph
Barometer 29.43 in (997.8 mb)
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Wind Chill29°F (-2°C)
Last update 14 Jan 8:53 pm EST
Extended Forecast for

Irwin PA

  • Tonight

    Tonight: Rain before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers likely after 10pm. Low around 16. Northwest wind 9 to 16 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers likely, mainly before 4pm, then a chance of snow showers or flurries after 5pm. Mostly cloudy, with a high near 22. West wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14. West wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Snow likely, mainly after 1pm. Increasing clouds, with a high near 34. South wind 9 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 28. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: Snow. High near 36. Chance of precipitation is 90%.

    High: 36 °F

    Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.

    Low: 12 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers likely after 10pm. Low around 16. Northwest wind 9 to 16 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers likely, mainly before 4pm, then a chance of snow showers or flurries after 5pm. Mostly cloudy, with a high near 22. West wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, with a low around 14. West wind 9 to 14 mph, with gusts as high as 24 mph.
Friday
Snow likely, mainly after 1pm. Increasing clouds, with a high near 34. South wind 9 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow. Mostly cloudy, with a low around 28. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
Snow. High near 36. Chance of precipitation is 90%.
Saturday Night
A chance of snow before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 11.
M.L.King Day
A chance of snow. Mostly cloudy, with a high near 23. Breezy. Chance of precipitation is 40%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 17.
Tuesday Night
Mostly cloudy, with a low around 7.
Wednesday
Partly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Irwin PA
 40.32°N 79.68°W (Elev. 1099 ft)
Last Update:
5:37 pm EST Jan 14, 2026
Forecast Valid:
8pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation