National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

32°F

0°C

Humidity 87%
Wind Speed W 8 G 16 mph
Barometer 29.87 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Jan 5:15 am EST
Extended Forecast for

7 Miles N Sinnamahoning PA

  • Today

    Today: Snow showers likely, mainly after 11am. The snow could be heavy at times. Increasing clouds, with a high near 35. West wind 7 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

    High: 35 °F

    Heavy Snow

  • Tonight

    Tonight: Isolated snow showers before midnight. Mostly cloudy, with a low around 25. West wind 11 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Isolated Snow
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. West wind around 6 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Southwest wind 5 to 7 mph, with gusts as high as 20 mph.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.

    High: 41 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely before 1am, then a chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.

    High: 26 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Snow showers likely, mainly after 11am. The snow could be heavy at times. Increasing clouds, with a high near 35. West wind 7 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
Isolated snow showers before midnight. Mostly cloudy, with a low around 25. West wind 11 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 36. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 28. West wind around 6 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 41. Southwest wind 5 to 7 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.
Wednesday Night
Rain and snow showers likely before 1am, then a chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 28.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Partly sunny, with a high near 32. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles N Sinnamahoning PA
 41.5°N 78.06°W (Elev. 1237 ft)
Last Update:
1:06 am EST Jan 11, 2026
Forecast Valid:
5am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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