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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

21°C

70°F

Humidity 94%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 20°C (68°F)
Visibility 16 km
Last update 14 Jul 12:15 am EDT
Extended Forecast for

9 Miles NW Emporium PA

Flood Watch July 14, 12:28am until July 14, 01:00am
Click here for hazard details and duration
...
  •  
    Flood Watch July 14, 12:28am until July 14, 01:00am

    NOW until 1:00am Mon

    Flood Watch

  • Overnight

    Low: 18 °C

    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 27. Calm wind. Chance of precipitation is 40%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 27 °C

    Chance
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 17 °C

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 29. Calm wind. Chance of precipitation is 20%.

    High: 29 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °C

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 28. Chance of precipitation is 80%.

    High: 28 °C

    Chance
    Showers then
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 18. Calm wind. Chance of precipitation is 40%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 27. Calm wind. Chance of precipitation is 40%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 29. Calm wind. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 19. Calm wind.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 28. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 19. Chance of precipitation is 80%.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 27. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 27. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NW Emporium PA
 41.59°N 78.37°W (Elev. 1942 m)
Last Update:
10:23 pm EDT Jul 13, 2025
Forecast Valid:
12am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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