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

Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

56°F

13°C

Humidity 84%
Wind Speed SW 3 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 8 Oct 12:53 am EDT
Extended Forecast for

Selinsgrove PA

  • Overnight

    Overnight: Partly cloudy, with a low around 53. Light south wind.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 73. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 46. Light southwest wind.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 69. Calm wind becoming west around 6 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. Light south wind.
Thursday
Sunny, with a high near 73. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 46. Light southwest wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 69. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 47. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Showers likely, mainly after 2pm. Cloudy, with a high near 66. Chance of precipitation is 70%.
Sunday Night
Showers. Low around 59. Chance of precipitation is 80%.
Columbus Day
Showers likely before 8am. Partly sunny, with a high near 72. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Selinsgrove PA
 40.81°N 76.86°W (Elev. 472 ft)
Last Update:
1:21 am EDT Oct 8, 2026
Forecast Valid:
1am EDT Oct 8, 2026-6pm EDT Oct 14, 2026
 
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