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

28°F

-2°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 29.84 in
Dewpoint 27°F (-3°C)
Visibility 7.00 mi
Wind Chill21°F (-6°C)
Last update 17 Jan 3:55 am EST
Extended Forecast for

6 Miles S Galeton PA

Winter Weather Advisory January 17, 04:14am until January 18, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 17, 04:14am until January 18, 01:00am

    NOW until 1:00am Sun

    Winter Weather Advisory

  • Overnight

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before noon, then a slight chance of snow showers after 3pm. Mostly cloudy, with a high near 34. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    High: 34 °F

    Chance Snow
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A slight chance of snow showers before 9pm. Mostly cloudy, with a low around 15. Southwest wind around 8 mph. Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 20. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 20 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 12 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly cloudy, with a high near 21.

    High: 21 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 2 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

Detailed Forecast

Overnight
A chance of snow after 5am. Cloudy, with a low around 22. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
A chance of snow before noon, then a slight chance of snow showers after 3pm. Mostly cloudy, with a high near 34. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Saturday Night
A slight chance of snow showers before 9pm. Mostly cloudy, with a low around 15. Southwest wind around 8 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 20. West wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 12. West wind 6 to 10 mph, with gusts as high as 21 mph.
M.L.King Day
Mostly cloudy, with a high near 21.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Partly sunny and cold, with a high near 10.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Galeton PA
 41.66°N 77.65°W (Elev. 2087 ft)
Last Update:
1:26 am EST Jan 17, 2026
Forecast Valid:
4am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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