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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

53°F

12°C

Humidity 72%
Wind Speed Calm
Barometer 30.00 in (1015.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 13 May 1:53 am EDT
Extended Forecast for

3 Miles SE Trevorton PA

  • Overnight

    Overnight: Cloudy, with a low around 51. South wind around 9 mph.

    Low: 51 °F

    Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 65. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 2am. Low around 46. South wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 57. Northwest wind around 8 mph, with gusts as high as 20 mph.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 51. South wind around 9 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 65. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 2am. Low around 46. South wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Partly sunny, with a high near 57. Northwest wind around 8 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 46. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Trevorton PA
 40.76°N 76.64°W (Elev. 1286 ft)
Last Update:
2:16 am EDT May 13, 2026
Forecast Valid:
2am EDT May 13, 2026-6pm EDT May 19, 2026
 
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