Coastal Threats for the East and Gulf; Record Warmth for the Central U.S.

Persistent onshore flow across the Southeast and portions of the mid-Atlantic will keep the risk of rip currents through the weekend. Rainfall could be locally heavy across Florida, especially along the eastern shoreline. Meanwhile, record warmth for portions of the Plains and Midwest with elevated fire concerns. For the west, a trough will keep the pattern unsettled with wet conditions. Read More >

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

77°F

25°C

Humidity 39%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 Oct 1:15 pm EDT
Extended Forecast for

3 Miles E Sinnamahoning PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 51. Calm wind.

    Low: 51 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers.  Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Showers

  • Wednesday

    Wednesday: Showers likely before 8am.  Mostly sunny, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely then
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. Calm wind.
Tonight
Clear, with a low around 51. Calm wind.
Sunday
Sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 50. Calm wind.
Monday
Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Tuesday Night
Showers. Low around 50. Chance of precipitation is 90%.
Wednesday
Showers likely before 8am. Mostly sunny, with a high near 63. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Patchy frost. Otherwise, sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 40.
Friday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sinnamahoning PA
 41.38°N 78°W (Elev. 1988 ft)
1:11 pm EDT Oct 4, 2025
1pm EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
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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