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Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

27°F

-3°C

Humidity 59%
Wind Speed W 10 G 17 mph
Barometer 30.10 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 3 Feb 11:35 am EST
Extended Forecast for

4 Miles NW Sinnamahoning PA

  • Today

    Today: Occasional flurries before noon.  Mostly cloudy, with a high near 26. West wind around 7 mph.

    High: 26 °F

    Flurries

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 5. Wind chill values as low as -5. Northwest wind around 6 mph.

    Low: 5 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. Wind chill values as low as -5. Northwest wind around 6 mph.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 5. Wind chill values as low as -5. Northwest wind around 5 mph.

    Low: 5 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 23. Northwest wind around 6 mph.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Snow.  High near 27. Chance of precipitation is 80%.

    High: 27 °F

    Snow

  • Friday Night

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

    Low: 2 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 13.

    High: 13 °F

    Mostly Sunny

Detailed Forecast

Today
Occasional flurries before noon. Mostly cloudy, with a high near 26. West wind around 7 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 5. Wind chill values as low as -5. Northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 25. Wind chill values as low as -5. Northwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 5. Wind chill values as low as -5. Northwest wind around 5 mph.
Thursday
Partly sunny, with a high near 23. Northwest wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Snow. High near 27. Chance of precipitation is 80%.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
Mostly sunny, with a high near 13.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around -2.
Monday
Mostly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Sinnamahoning PA
 41.44°N 78.1°W (Elev. 1818 ft)
7:16 am EST Feb 3, 2026
11am EST Feb 3, 2026-6pm EST Feb 9, 2026
 
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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