National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Mostly Cloudy

59°F

15°C

Humidity 94%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Aug 6:15 am EDT
Extended Forecast for

2 Miles WNW Emporium PA

  • Today

    Today: Areas of fog before 7am. Otherwise, mostly sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 58. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 59. Chance of precipitation is 20%.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Areas of fog before 7am. Otherwise, mostly sunny, with a high near 90. Light and variable wind.
Tonight
Partly cloudy, with a low around 62. Calm wind.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 58. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 82. Calm wind.
Monday Night
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Emporium PA
 41.54°N 78.26°W (Elev. 1398 ft)
Last Update:
2:03 am EDT Aug 16, 2025
Forecast Valid:
6am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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