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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

6 Miles ESE Sinnamahoning PA

Winter Storm Warning until February 23, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until February 23, 01:00pm

    NOW until 1:00pm Mon

    Winter Storm Warning

  • Overnight

    Low: 29 °F

    Snow Likely

  • Sunday

    Sunday: Snow. High near 37. Southeast wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 37 °F

    Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 2am. Low around 28. Northeast wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Snow

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 34. Northwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. Northwest wind around 15 mph, with gusts as high as 26 mph.

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers, mainly after 1am. Low around 21. Chance of precipitation is 80%.

    Low: 21 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday

    Wednesday: A chance of snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

    High: 38 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Snow likely. Mostly cloudy, with a low around 29. Light southeast wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow. High near 37. Southeast wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow, mainly before 2am. Low around 28. Northeast wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 34. Northwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 12. Northwest wind around 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Snow showers, mainly after 1am. Low around 21. Chance of precipitation is 80%.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
Wednesday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Thursday
A chance of snow showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Sinnamahoning PA
 41.35°N 77.94°W (Elev. 1998 ft)
Last Update:
1:51 am EST Feb 22, 2026
Forecast Valid:
4am EST Feb 22, 2026-6pm EST Feb 28, 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