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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

12°F

-11°C

Humidity 57%
Wind Speed W 12 mph
Barometer 30.09 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 29 Jan 4:35 pm EST
Extended Forecast for

5 Miles NE Saint Marys PA

Cold Weather Advisory January 29, 07:00pm until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A chance of flurries. Partly sunny, with a high near 14. Wind chill values as low as zero. West wind around 8 mph.

    High: 14 °F

    Chance
    Flurries

  • Tonight

    Tonight: Partly cloudy, with a low around -8. West wind around 5 mph becoming calm in the evening.

    Low: -8 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 11. Wind chill values as low as -10. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 11 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -10. Calm wind.

    Low: -10 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 15. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 15 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -3.

    Low: -3 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries. Partly sunny, with a high near 14. Wind chill values as low as zero. West wind around 8 mph.
Tonight
Partly cloudy, with a low around -8. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 11. Wind chill values as low as -10. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around -10. Calm wind.
Saturday
Mostly sunny, with a high near 15. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around -3.
Sunday
Mostly sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 2.
Monday
Mostly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 6.
Wednesday
A chance of snow showers. Partly sunny, with a high near 25. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.
Thursday
A chance of snow showers. Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Saint Marys PA
 41.47°N 78.48°W (Elev. 1621 ft)
Last Update:
1:05 pm EST Jan 29, 2026
Forecast Valid:
4pm EST Jan 29, 2026-6pm EST Feb 5, 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