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

34°F

1°C

Humidity 93%
Wind Speed SE 12 mph
Barometer 29.86 in
Dewpoint 32°F (0°C)
Visibility 4.00 mi
Wind Chill25°F (-4°C)
Last update 28 Dec 12:55 pm EST
Extended Forecast for

3 Miles WNW Weedville PA

Wind Advisory December 29, 04:00am until December 30, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Rain, mainly before 4pm. High near 43. Southeast wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Rain

  • Tonight

    Tonight: Rain. Temperature rising to around 51 by 4am. Southwest wind 8 to 13 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F⇑

    Rain Likely
    then Rain

  • Monday

    Monday: Rain likely before 1pm, then snow showers likely. Mostly cloudy, with a temperature falling to around 24 by 4pm. Breezy, with a west wind 17 to 24 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 48 °F⇓

    Breezy. Rain
    Likely then
    Snow Showers
    Likely

  • Monday Night

    Monday Night: Snow showers. Low around 18. Windy, with a west wind 23 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Snow Showers
    and Windy

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 23. Breezy, with a west wind 17 to 23 mph, with gusts as high as 47 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 23 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Wednesday

    Wednesday: Snow showers, mainly after 1pm. High near 27. Chance of precipitation is 80%.

    High: 27 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 70%.

    Low: 12 °F

    Snow Showers
    Likely

  • New Year's Day

    New Year's Day: A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 50%.

    High: 20 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Rain, mainly before 4pm. High near 43. Southeast wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Temperature rising to around 51 by 4am. Southwest wind 8 to 13 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain likely before 1pm, then snow showers likely. Mostly cloudy, with a temperature falling to around 24 by 4pm. Breezy, with a west wind 17 to 24 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Snow showers. Low around 18. Windy, with a west wind 23 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday
A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 23. Breezy, with a west wind 17 to 23 mph, with gusts as high as 47 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers, mainly after 1pm. High near 27. Chance of precipitation is 80%.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 70%.
New Year's Day
A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 22.
Friday Night
Partly cloudy, with a low around 14.
Saturday
A chance of freezing rain. Partly sunny, with a high near 29. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Weedville PA
 41.28°N 78.57°W (Elev. 1821 ft)
Last Update:
12:56 pm EST Dec 28, 2025
Forecast Valid:
1pm EST Dec 28, 2025-6pm EST Jan 3, 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