


Hazardous Weather Conditions
Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
Overcast
27°C
80°F
Humidity | 82% |
Wind Speed | SE 13 km/h |
Barometer | 1017.6 mb (30.06 in) |
Dewpoint | 23°C (74°F) |
Visibility | 16 km |
Heat Index | 29°C (85°F) |
Last update | 13 Jul 10:53 am EDT |
Extended Forecast for
Northumberland PA
Flood Watch July 13, 01:00pm until July 14, 01:00am
Today
High: 31 °C
Chance
T-stormsTonight
Low: 21 °C
Showers
LikelyMonday
High: 31 °C
Chance
Showers then
Showers
LikelyMonday Night
Low: 21 °C
Showers
Likely then
Isolated
ShowersTuesday
High: 33 °C
Isolated
Showers then
Scattered
T-stormsTuesday Night
Low: 22 °C
Scattered
T-storms then
Partly CloudyWednesday
High: 32 °C
Partly Sunny
then Showers
LikelyWednesday Night
Low: 23 °C
Showers
Likely then
Scattered
T-stormsThursday
High: 33 °C
Scattered
Showers then
Showers
Likely
Detailed Forecast
Today
A chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 31. South wind 8 to 10 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 31. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Monday Night
Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and 2am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Tuesday
Isolated showers between 8am and 2pm, then scattered showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 33. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tuesday Night
Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 22. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
Scattered showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 33. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 40%.
Friday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 20. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Northumberland PA
40.89°N 76.79°W (Elev. 482 m)
40.89°N 76.79°W (Elev. 482 m)
8:29 am EDT Jul 13, 2025
11am EDT Jul 13, 2025-6pm EDT Jul 19, 2025