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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles E Sinnamahoning PA

Winter Weather Advisory March 3, 07:00am until March 3, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A chance of freezing rain after 5am. Cloudy, with a low around 23. Southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Freezing Rain

  • Tuesday

    Tuesday: Snow and freezing rain, possibly mixed with sleet before 2pm, then rain or freezing rain likely between 2pm and 3pm, then rain after 3pm. High near 37. Southeast wind 6 to 8 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible. Little or no snow and sleet accumulation expected.

    High: 37 °F

    Wintry Mix

  • Tuesday Night

    Tuesday Night: Rain, mainly before 1am. Low around 36. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 52. Calm wind. Chance of precipitation is 20%.

    High: 52 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Cloudy, with a low around 41. Light southeast wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: Rain. High near 54. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A chance of freezing rain after 5am. Cloudy, with a low around 23. Southeast wind around 7 mph. Chance of precipitation is 30%.
Tuesday
Snow and freezing rain, possibly mixed with sleet before 2pm, then rain or freezing rain likely between 2pm and 3pm, then rain after 3pm. High near 37. Southeast wind 6 to 8 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible. Little or no snow and sleet accumulation expected.
Tuesday Night
Rain, mainly before 1am. Low around 36. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 52. Calm wind. Chance of precipitation is 20%.
Wednesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 41. Light southeast wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 54. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 48. Chance of precipitation is 90%.
Friday
Mostly cloudy, with a high near 61.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Saturday
Showers, mainly after 1pm. High near 68. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sinnamahoning PA
 41.38°N 78°W (Elev. 1988 ft)
Last Update:
1:11 am EST Mar 3, 2026
Forecast Valid:
1am EST Mar 3, 2026-6pm EDT Mar 9, 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