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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

4 Miles SE Sinnamahoning PA

  • Tonight

    Tonight: Rain likely before 4am, then rain, possibly mixed with snow and sleet between 4am and 5am, then rain, possibly mixed with snow after 5am. Patchy fog after 3am. Low around 36. Southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow and sleet accumulation expected.

    Low: 36 °F

    Chance Rain
    then Wintry
    Mix and
    Patchy Fog

  • Friday

    Friday: Rain, possibly mixed with sleet, becoming all rain after 7am. Patchy fog before 11am. High near 44. Southeast wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. Little or no sleet accumulation expected.

    High: 44 °F

    Rain/Sleet
    and Patchy
    Fog then
    Chance Rain

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 33. West wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 39. West wind 6 to 10 mph, with gusts as high as 24 mph.

    High: 39 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 28. West wind around 6 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 36. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Snow

  • Sunday Night

    Sunday Night: Snow showers likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.

    Low: 26 °F

    Snow Showers
    Likely

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.

    High: 35 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely before 4am, then rain, possibly mixed with snow and sleet between 4am and 5am, then rain, possibly mixed with snow after 5am. Patchy fog after 3am. Low around 36. Southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow and sleet accumulation expected.
Friday
Rain, possibly mixed with sleet, becoming all rain after 7am. Patchy fog before 11am. High near 44. Southeast wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. Little or no sleet accumulation expected.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 33. West wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 39. West wind 6 to 10 mph, with gusts as high as 24 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 28. West wind around 6 mph. Chance of precipitation is 40%.
Sunday
Snow. High near 36. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Sinnamahoning PA
 41.34°N 78°W (Elev. 1906 ft)
Last Update:
3:05 pm EST Feb 19, 2026
Forecast Valid:
6pm EST Feb 19, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation