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.

Snow Freezing Fog

31°F

-1°C

Humidity 96%
Wind Speed W 14 G 20 mph
Barometer 29.49 in (999.5 mb)
Dewpoint 30°F (-1°C)
Visibility 0.25 mi
Wind Chill21°F (-6°C)
Last update 16 Mar 6:53 pm EDT
Extended Forecast for

Irwin PA

Winter Weather Advisory March 16, 07:36pm until March 17, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 16, 07:36pm until March 17, 12:00am

    NOW until 12:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 21 °F

    Heavy Snow
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A slight chance of snow showers. Mostly cloudy, with a high near 30. West wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39. South wind 5 to 9 mph.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 2am. Cloudy, with a low around 31. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 51. Chance of precipitation is 20%.

    High: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.

    High: 58 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Snow showers, mainly before 10pm. The snow could be heavy at times. Low around 21. West wind 7 to 12 mph increasing to 13 to 18 mph in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of around an inch possible.
Tuesday
A slight chance of snow showers. Mostly cloudy, with a high near 30. West wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 16. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 39. South wind 5 to 9 mph.
Wednesday Night
A slight chance of rain before 2am. Cloudy, with a low around 31. South wind around 7 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 51. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Irwin PA
 40.32°N 79.68°W (Elev. 1099 ft)
Last Update:
7:26 pm EDT Mar 16, 2026
Forecast Valid:
7pm EDT Mar 16, 2026-6pm EDT Mar 23, 2026
 
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