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.

Partly Cloudy

55°F

13°C

Humidity 44%
Wind Speed NE 6 mph
Barometer 30.34 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 1 Oct 9:35 pm EDT
Extended Forecast for

Emporium PA

Frost Advisory October 2, 12:00am until October 2, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Thursday

    Thursday: Patchy frost before 9am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 71 °F

    Patchy Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, sunny, with a high near 82.

    High: 82 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.
Thursday
Patchy frost before 9am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. Calm wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 78. Light and variable wind.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 43. Calm wind.
Saturday
Areas of fog before 9am. Otherwise, sunny, with a high near 82.
Saturday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 45.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 81.
Sunday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 48.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Emporium PA
 41.51°N 78.24°W (Elev. 1099 ft)
Last Update:
8:06 pm EDT Oct 1, 2025
Forecast Valid:
9pm EDT Oct 1, 2025-6pm EDT Oct 8, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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