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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Fair

3°F

-16°C

Humidity 72%
Wind Speed W 10 mph
Barometer 30.21 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 20 Jan 8:55 am EST
Extended Forecast for

4 Miles NW Renovo PA

Cold Weather Advisory January 20, 09:03am until January 20, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 20, 09:03am until January 20, 12:00pm

    NOW until 12:00pm Tue

    Cold Weather Advisory

  • Today

    High: 16 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 8. West wind around 5 mph becoming calm in the evening.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of snow showers after 1pm. Increasing clouds, with a high near 33. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 24. Southwest wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 34. West wind 7 to 10 mph, with gusts as high as 28 mph.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Friday Night

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

    Low: 0 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 16. Wind chill values as low as -10. West wind 8 to 10 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 8. West wind around 5 mph becoming calm in the evening.
Wednesday
A chance of snow showers after 1pm. Increasing clouds, with a high near 33. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 24. Southwest wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Thursday
Partly sunny, with a high near 34. West wind 7 to 10 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Partly sunny, with a high near 21.
Friday Night
Mostly cloudy, with a low around 0.
Saturday
Partly sunny, with a high near 12.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 3. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 16. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 3. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Renovo PA
 41.36°N 77.82°W (Elev. 1201 ft)
Last Update:
7:06 am EST Jan 20, 2026
Forecast Valid:
9am EST Jan 20, 2026-6pm EST Jan 26, 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