Hazardous Weather Conditions
Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
A Few Clouds
77°F
25°C
| Humidity | 88% |
| Wind Speed | S 3 mph |
| Barometer | 30.00 in (1015.5 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 8.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 1 Sep 10:53 am EDT |
Extended Forecast for
2 Miles ENE Northumberland PA
Today
High: 88 °F
Chance
T-stormsTonight
Low: 69 °F
Severe
Thunderstorms
and Patchy
FogWednesday
High: 83 °F
Showers
Likely and
Patchy Fog
then Chance
ShowersWednesday Night
Low: 70 °F
Severe
ThunderstormsThursday
High: 87 °F
Chance
Showers then
Chance
T-stormsThursday Night
Low: 67 °F
Chance
T-storms then
Chance
ShowersFriday
High: 83 °F
Mostly Sunny
Friday Night
Low: 61 °F
Partly Cloudy
Saturday
High: 79 °F
Mostly Sunny
Detailed Forecast
Today
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. West wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Some of the storms could be severe. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely before 1pm, then a chance of showers after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 58.
Labor Day
A chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Northumberland PA
40.91°N 76.76°W (Elev. 499 ft)
40.91°N 76.76°W (Elev. 499 ft)
9:26 am EDT Sep 1, 2026
11am EDT Sep 1, 2026-6pm EDT Sep 7, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
