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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Mostly Cloudy

19°F

-7°C

Humidity 45%
Wind Speed W 14 G 28 mph
Barometer 30.14 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 23 Jan 12:15 pm EST
Extended Forecast for

7 Miles WSW Emporium PA

Cold Weather Advisory January 23, 01:00pm until January 24, 10:00am
Winter Storm Warning January 24, 10:00pm until January 26, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • This Afternoon

    This Afternoon: Partly sunny, with a temperature falling to around 6 by 5pm. Wind chill values as low as -10. West wind 11 to 14 mph, with gusts as high as 30 mph.

    High: 17 °F⇓

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -4. Wind chill values as low as -15. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.

    Low: -4 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 12. Wind chill values as low as -10. Calm wind.

    High: 12 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely after 1am. Mostly cloudy, with a low around 7. Wind chill values as low as zero. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 7 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 17. Southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 17 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. Low around 12. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 12 °F

    Snow

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 18. Chance of precipitation is 50%.

    High: 18 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a temperature falling to around 6 by 5pm. Wind chill values as low as -10. West wind 11 to 14 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around -4. Wind chill values as low as -15. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.
Saturday
Partly sunny, with a high near 12. Wind chill values as low as -10. Calm wind.
Saturday Night
Snow likely after 1am. Mostly cloudy, with a low around 7. Wind chill values as low as zero. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Sunday
Snow. The snow could be heavy at times. High near 17. Southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Sunday Night
Snow. Low around 12. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday
A chance of snow. Mostly cloudy, with a high near 18. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 0.
Tuesday
Partly sunny, with a high near 14.
Tuesday Night
Mostly cloudy, with a low around 3.
Wednesday
Mostly cloudy, with a high near 16.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 0. Chance of precipitation is 30%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 15. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Emporium PA
 41.48°N 78.36°W (Elev. 1424 ft)
Last Update:
11:54 am EST Jan 23, 2026
Forecast Valid:
12pm EST Jan 23, 2026-6pm EST Jan 29, 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