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.

Thunderstorm in Vicinity

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 26 Jul 8:35 pm EDT
Extended Forecast for

3 Miles W Driftwood PA

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Scattered
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then scattered showers and thunderstorms after 4pm. High near 85. Southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 68. Light northwest wind.

    Low: 68 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Mostly sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Isolated showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 20%.

    High: 93 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then scattered showers and thunderstorms after 4pm. High near 85. Southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 68. Light northwest wind.
Monday
Mostly sunny and hot, with a high near 92. Calm wind.
Monday Night
Mostly clear, with a low around 68. Calm wind.
Tuesday
Isolated showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Thursday Night
A chance of thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Driftwood PA
 41.34°N 78.21°W (Elev. 1063 ft)
Last Update:
4:03 pm EDT Jul 26, 2025
Forecast Valid:
8pm EDT Jul 26, 2025-6pm EDT Aug 2, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation