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.

Overcast

67°F

19°C

Humidity 91%
Wind Speed S 5 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 17 Jun 10:53 am EDT
Extended Forecast for

2 Miles N Mechanicsville PA

  • Today

    Today: Showers likely, with thunderstorms also possible after 3pm. Cloudy, with a high near 74. South wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 68. Light southeast wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 84. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 69. Light southwest wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers then
    Slight 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. Partly sunny, with a high near 86. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Chance
    Showers then
    Severe
    Thunderstorms

  • Thursday Night

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

    Low: 61 °F

    Severe
    Thunderstorms
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °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 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely, with thunderstorms also possible after 3pm. Cloudy, with a high near 74. South wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Low around 68. Light southeast wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 84. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 69. Light southwest wind. Chance of precipitation is 80%. 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. Partly sunny, with a high near 86. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Some of the storms could be severe. Partly cloudy, with a low around 61. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny and hot, with a high near 94.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Mechanicsville PA
 41°N 76.59°W (Elev. 600 ft)
Last Update:
3:46 am EDT Jun 17, 2025
Forecast Valid:
11am EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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