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

  • Overnight

    Overnight: Areas of drizzle and fog.  Cloudy, with a low around 42. South wind around 8 mph.

    Low: 42 °F

    Areas Drizzle
    and Areas Fog

  • Saturday

    Saturday: A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe.  Areas of fog before 1pm.  Otherwise, cloudy, with a high near 64. South wind 7 to 9 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Severe
    Thunderstorms
    and Areas Fog

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 3am, then a chance of showers. Some of the storms could be severe.  Low around 47. Southwest wind around 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 56. West wind 8 to 10 mph, with gusts as high as 23 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. West wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
Areas of drizzle and fog. Cloudy, with a low around 42. South wind around 8 mph.
Saturday
A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. Areas of fog before 1pm. Otherwise, cloudy, with a high near 64. South wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 3am, then a chance of showers. Some of the storms could be severe. Low around 47. Southwest wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 56. West wind 8 to 10 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 40. West wind around 6 mph.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Wednesday
Showers. High near 68. Chance of precipitation is 80%.
Wednesday Night
Rain. Low around 33. Chance of precipitation is 80%.
Thursday
A chance of snow. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sinnamahoning PA
 41.38°N 78°W (Elev. 1988 ft)
1:33 am EST Mar 7, 2026
2am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
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