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 Snow

22°F

-6°C

Humidity 68%
Wind Speed W 20 G 41 mph
Barometer 29.72 in (1007.5 mb)
Dewpoint 13°F (-11°C)
Visibility 2.00 mi
Wind Chill7°F (-14°C)
Last update 29 Dec 3:53 pm EST
Extended Forecast for

Monongahela PA

Wind Advisory December 29, 04:18pm until December 30, 01:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 04:18pm until December 30, 01:00am

    NOW until 1:00am Tue

    Wind Advisory

  • This Afternoon

    High: 28 °F

    Snow Likely
    and Breezy

  • Tonight

    Tonight: Snow likely, mainly before 2am. Patchy blowing snow between 8pm and 9pm. Cloudy, with a low around 21. Breezy, with a west wind 20 to 22 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Tuesday

    Tuesday: A slight chance of snow between noon and 1pm. Mostly cloudy, with a high near 30. Breezy, with a west wind 16 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 30 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely after 1am. Mostly cloudy, with a low around 20. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Mostly Cloudy
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow, mainly after 1pm. High near 34. Southwest wind 13 to 17 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 34 °F

    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 16. Chance of precipitation is 90%.

    Low: 16 °F

    Snow

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow likely. Cloudy, with a steady temperature around 28. Breezy, with a west wind around 24 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly before 2am. Patchy blowing snow between 8pm and 9pm. Cloudy, with a low around 21. Breezy, with a west wind 20 to 22 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow between noon and 1pm. Mostly cloudy, with a high near 30. Breezy, with a west wind 16 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Tuesday Night
Snow likely after 1am. Mostly cloudy, with a low around 20. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly after 1pm. High near 34. Southwest wind 13 to 17 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday Night
Snow. Low around 16. Chance of precipitation is 90%.
New Year's Day
Partly sunny, with a high near 26.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly cloudy, with a high near 35.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monongahela PA
 40.21°N 79.93°W (Elev. 801 ft)
Last Update:
2:46 pm EST Dec 29, 2025
Forecast Valid:
4pm EST Dec 29, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation