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

86°F

30°C

Humidity 55%
Wind Speed SW 10 mph
Barometer 30.09 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 13 Jul 2:15 pm EDT
Extended Forecast for

3 Miles WSW Ridgway PA

  • This Afternoon

    This Afternoon: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 85. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Scattered
    T-storms

  • Thursday

    Thursday: Scattered showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Scattered
    Showers then
    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 85. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
Scattered showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms between 8pm and 2am. Low around 66. Chance of precipitation is 80%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
Scattered showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Ridgway PA
 41.41°N 78.78°W (Elev. 1706 ft)
Last Update:
8:29 am EDT Jul 13, 2025
Forecast Valid:
2pm EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation