Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Mostly Cloudy

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 72°F (22°C)
Visibility 5.00 mi
Last update 16 Jul 7:35 pm EDT
Extended Forecast for

9 Miles NW Emporium PA

Flood Watch until July 16, 10:00pm
Click here for hazard details and duration
...
  •  
    Flood Watch until July 16, 10:00pm

    NOW until 10:00pm Wed

    Flood Watch

  • Tonight

    Low: 67 °F

    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 82. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm.  Mostly cloudy, with a low around 60. Northwest wind 5 to 7 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 77. Light north wind.

    High: 77 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 5am. Low around 67. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 82. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 60. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 77. Light north wind.
Friday Night
Partly cloudy, with a low around 55. Calm wind.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NW Emporium PA
 41.59°N 78.37°W (Elev. 1942 ft)
1:36 pm EDT Jul 16, 2025
7pm EDT Jul 16, 2025-6pm EDT Jul 23, 2025
 
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Additional Resources

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National Digital Forecast Database