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

Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

69°F

21°C

Humidity 53%
Wind Speed S 6 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 7 Oct 4:53 pm EDT
Extended Forecast for

3 Miles ENE Mc Alisterville PA

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind becoming southwest around 5 mph after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. West wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50. Light west wind.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69. Calm wind becoming west around 6 mph in the afternoon.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers after 2am. Low around 55. Chance of precipitation is 100%.

    Low: 55 °F

    Mostly Cloudy
    then Showers

  • Sunday

    Sunday: Showers. High near 64. Chance of precipitation is 100%.

    High: 64 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 2am. Cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Sunny, with a high near 72. West wind 5 to 9 mph, with gusts as high as 21 mph.
Thursday Night
Clear, with a low around 50. Light west wind.
Friday
Sunny, with a high near 69. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 51. Calm wind.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Showers after 2am. Low around 55. Chance of precipitation is 100%.
Sunday
Showers. High near 64. Chance of precipitation is 100%.
Sunday Night
Showers likely before 2am. Cloudy, with a low around 60. Chance of precipitation is 70%.
Columbus Day
Mostly cloudy, with a high near 71.
Monday Night
Mostly cloudy, with a low around 56.
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 46. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mc Alisterville PA
 40.66°N 77.21°W (Elev. 699 ft)
Last Update:
2:21 pm EDT Oct 7, 2026
Forecast Valid:
5pm EDT Oct 7, 2026-6pm EDT Oct 14, 2026
 
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