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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

12°F

-11°C

Humidity 48%
Wind Speed W 13 G 29 mph
Barometer 30.26 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 23 Jan 3:55 pm EST
Extended Forecast for

5 Miles SSW Cross Fork PA

Cold Weather Advisory January 23, 04:01pm until January 24, 10:00am
Winter Storm Warning January 24, 10:00pm until January 26, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory January 23, 04:01pm until January 24, 10:00am

    NOW until 10:00am Sat

    Cold Weather Advisory

  • Tonight

    Low: -2 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 13. Wind chill values as low as -10. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 13 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow after 1am. Low around 8. Wind chill values as low as zero. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 8 °F

    Mostly Cloudy
    then Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 16. Wind chill values as low as zero. Southeast wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 16 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. Low around 14. East wind 3 to 6 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 14 °F

    Snow

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 20. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 20 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 14.

    High: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around -2. Wind chill values as low as -15. Northwest wind 6 to 10 mph, with gusts as high as 26 mph.
Saturday
Partly sunny, with a high near 13. Wind chill values as low as -10. Northwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
Snow after 1am. Low around 8. Wind chill values as low as zero. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Sunday
Snow. The snow could be heavy at times. High near 16. Wind chill values as low as zero. Southeast wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Sunday Night
Snow. Low around 14. East wind 3 to 6 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday
A chance of snow. Mostly cloudy, with a high near 20. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Mostly cloudy, with a high near 14.
Tuesday Night
Mostly cloudy, with a low around 5.
Wednesday
Partly sunny, with a high near 16.
Wednesday Night
Mostly cloudy, with a low around 2.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 15. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around -1.
Friday
Mostly cloudy, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Cross Fork PA
 41.41°N 77.87°W (Elev. 1736 ft)
Last Update:
3:16 pm EST Jan 23, 2026
Forecast Valid:
4pm EST Jan 23, 2026-6pm EST Jan 30, 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