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

Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

47°F

8°C

Humidity 50%
Wind Speed SW 6 mph
Barometer 30.19 in (1022.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 30 Mar 7:53 am EDT
Extended Forecast for

Selinsgrove, Penn Valley Airport PA

  • Today

    Today: A slight chance of showers after 1pm. Partly sunny, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 63 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 52. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Southwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 62. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Some of the storms could be severe. Mostly cloudy, with a high near 70. Southwest wind around 8 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
A slight chance of showers after 1pm. Partly sunny, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 52. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Southwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, mainly after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 62. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Some of the storms could be severe. Mostly cloudy, with a high near 70. Southwest wind around 8 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Sunday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Selinsgrove, Penn Valley Airport PA
 40.83°N 76.86°W (Elev. 492 ft)
Last Update:
8:06 am EDT Mar 30, 2026
Forecast Valid:
8am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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