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.

Partly Cloudy

70°F

21°C

Humidity 71%
Wind Speed S 12 G 26 mph
Barometer 29.69 in (1005.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 11 Mar 3:53 pm EDT
Extended Forecast for

Sunbury PA

Tornado Watch March 11, 04:52pm until March 11, 08:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch March 11, 04:52pm until March 11, 08:00pm

    NOW until 8:00pm Wed

    Tornado Watch

  • This Afternoon

    High: 74 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms. Some of the storms could be severe. Low around 37. Southwest wind 8 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: A chance of rain showers before 10am, then a slight chance of snow showers between 10am and 11am. Mostly cloudy, with a high near 42. Northwest wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Decreasing
    Clouds

  • Friday

    Friday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 49. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

    High: 49 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 74. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms. Some of the storms could be severe. Low around 37. Southwest wind 8 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of rain showers before 10am, then a slight chance of snow showers between 10am and 11am. Mostly cloudy, with a high near 42. Northwest wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind around 6 mph becoming calm in the evening.
Friday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 49. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Cloudy, with a high near 51.
Sunday Night
Showers, mainly after 2am. Low around 44. Chance of precipitation is 80%.
Monday
Showers. High near 59. Chance of precipitation is 80%.
Monday Night
A chance of showers. Partly cloudy, with a low around 25. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sunbury PA
 40.86°N 76.77°W (Elev. 499 ft)
Last Update:
4:26 pm EDT Mar 11, 2026
Forecast Valid:
4pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation