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

Penfield PA

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe.  Areas of fog before 1pm. High near 71. Southwest wind 6 to 11 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Severe
    Thunderstorms
    and Areas Fog

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could be severe.  Low around 46. Southwest wind around 9 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 58. West wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 58 °F

    Decreasing
    Clouds

  • Sunday Night

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

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers.  High near 69. Chance of precipitation is 90%.

    High: 69 °F

    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe. Areas of fog before 1pm. High near 71. Southwest wind 6 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could be severe. Low around 46. Southwest wind around 9 mph, with gusts as high as 22 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 58. West wind 7 to 10 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 40. Southwest wind around 6 mph.
Monday
Sunny, with a high near 66. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Wednesday
Showers. High near 69. Chance of precipitation is 90%.
Wednesday Night
Rain before 1am, then rain and snow likely. 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 47. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Penfield PA
 41.22°N 78.58°W (Elev. 1306 ft)
7:33 am EST Mar 7, 2026
8am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
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Additional Resources

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