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

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Light Rain

71°F

22°C

Humidity 87%
Wind Speed S 3 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 67°F (19°C)
Visibility 9.00 mi
Last update 17 Jun 4:53 pm EDT
Extended Forecast for

3 Miles SE Sunbury PA

  • This Afternoon

    This Afternoon: A chance of showers. Cloudy, with a high near 75. South wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then a chance of showers after 1am. Low around 67. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 83. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: 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. Some of the storms could be severe. Mostly sunny, with a high near 87. Southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms then
    Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Some of the storms could be severe. Partly cloudy, with a low around 61. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers. Cloudy, with a high near 75. South wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then a chance of showers after 1am. Low around 67. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 83. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
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. Some of the storms could be severe. Mostly sunny, with a high near 87. Southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Some of the storms could be severe. Partly cloudy, with a low around 61. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny and hot, with a high near 93.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Sunbury PA
 40.84°N 76.74°W (Elev. 600 ft)
Last Update:
4:47 pm EDT Jun 17, 2025
Forecast Valid:
5pm EDT Jun 17, 2025-6pm EDT Jun 24, 2025
 
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