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

30°F

-1°C

Humidity 72%
Wind Speed NW 8 mph
Barometer 29.97 in (1016.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 22 Feb 6:53 pm EST
Extended Forecast for

Grindstone PA

Winter Weather Advisory February 22, 07:24pm until February 24, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 22, 07:24pm until February 24, 01:00am

    NOW until 1:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 27 °F

    Snow Likely

  • Monday

    Monday: Snow likely, mainly before 9am. Mostly cloudy, with a high near 35. Northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely

  • Monday Night

    Monday Night: A chance of snow before 1am. Mostly cloudy, with a low around 17. Northwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 35. West wind 7 to 9 mph.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow before 4am, then rain and snow. Low around 28. South wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, mainly before 7am. High near 45. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Partly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.

    High: 50 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Snow likely, mainly after 3am. Mostly cloudy, with a low around 27. Northwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly before 9am. Mostly cloudy, with a high near 35. Northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of snow before 1am. Mostly cloudy, with a low around 17. Northwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 35. West wind 7 to 9 mph.
Tuesday Night
Snow before 4am, then rain and snow. Low around 28. South wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Rain, possibly mixed with snow, mainly before 7am. High near 45. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Thursday
Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 62.
Saturday Night
A chance of rain and snow. Partly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grindstone PA
 40.03°N 79.87°W (Elev. 1037 ft)
Last Update:
6:12 pm EST Feb 22, 2026
Forecast Valid:
7pm EST Feb 22, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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