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.

Overcast

9°F

-13°C

Humidity 70%
Wind Speed N 9 G 20 mph
Barometer 30.13 in (1023.8 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 31 Jan 9:53 pm EST
Extended Forecast for

Irwin PA

Cold Weather Advisory until February 1, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until February 1, 11:00am

    NOW until 11:00am Sun

    Cold Weather Advisory

  • Tonight

    Low: -2 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 18. Wind chill values as low as -12. West wind 6 to 11 mph.

    High: 18 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 4. Wind chill values as low as -6. West wind around 6 mph.

    Low: 4 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 26. Wind chill values as low as -6. Southwest wind around 7 mph.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of snow. Mostly cloudy, with a low around 16. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 16 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.

    High: 31 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around -2. Wind chill values as low as -13. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 18. Wind chill values as low as -12. West wind 6 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 4. Wind chill values as low as -6. West wind around 6 mph.
Monday
Partly sunny, with a high near 26. Wind chill values as low as -6. Southwest wind around 7 mph.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 16. Southwest wind around 6 mph. Chance of precipitation is 20%.
Tuesday
A chance of snow after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 9.
Wednesday
Partly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 4.
Thursday
Partly sunny, with a high near 23.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Friday
Snow. High near 32. Chance of precipitation is 80%.
Friday Night
Snow likely. Mostly cloudy, with a low around 7. Chance of precipitation is 60%.
Saturday
Partly sunny and cold, with a high near 15.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Irwin PA
 40.32°N 79.71°W (Elev. 1053 ft)
Last Update:
10:48 pm EST Jan 31, 2026
Forecast Valid:
10pm EST Jan 31, 2026-6pm EST Feb 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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