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Major Winter Storm Impacting Central PA into Monday

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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

9°F

-13°C

Humidity 78%
Wind Speed E 16 G 22 mph
Barometer 30.08 in
Dewpoint 3°F (-16°C)
Visibility 0.25 mi
Wind Chill-8°F (-22°C)
Last update 25 Jan 9:55 am EST
Extended Forecast for

6 Miles SW Cross Fork PA

Winter Storm Warning January 25, 10:17am until January 26, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning January 25, 10:17am until January 26, 01:00pm

    NOW until 1:00pm Mon

    Winter Storm Warning

  • Today

    High: 17 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before midnight. Low around 12. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 12 °F

    Snow then
    Chance Snow

  • Monday

    Monday: A chance of snow, mainly between 7am and 1pm. Mostly cloudy, with a high near 21. West wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    High: 21 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 0. Wind chill values as low as -10. West wind around 6 mph, with gusts as high as 21 mph.

    Low: 0 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 14. Southwest wind 5 to 8 mph, with gusts as high as 21 mph.

    High: 14 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -2.

    Low: -2 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow. The snow could be heavy at times. High near 17. Wind chill values as low as zero. East wind around 6 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 9 to 13 inches possible.
Tonight
Snow, mainly before midnight. Low around 12. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Monday
A chance of snow, mainly between 7am and 1pm. Mostly cloudy, with a high near 21. West wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 0. Wind chill values as low as -10. West wind around 6 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 14. Southwest wind 5 to 8 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 1.
Wednesday
Partly sunny, with a high near 17.
Wednesday Night
Mostly cloudy, with a low around -2.
Thursday
Partly sunny, with a high near 16.
Thursday Night
Mostly cloudy, with a low around -2.
Friday
Partly sunny, with a high near 17.
Friday Night
Mostly cloudy, with a low around 3.
Saturday
Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Cross Fork PA
 41.42°N 77.9°W (Elev. 1407 ft)
Last Update:
10:11 am EST Jan 25, 2026
Forecast Valid:
10am EST Jan 25, 2026-6pm EST Jan 31, 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