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.

Fair

82°F

28°C

Humidity 58%
Wind Speed SW 6 mph
Barometer 30.16 in (1020.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 May 10:53 am EDT
Extended Forecast for

Mount Pleasant Mills PA

  • Today

    Today: Sunny and hot, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.

    High: 92 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers before 9pm. Partly cloudy, with a low around 66. Light southwest wind. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 92. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. Light southwest wind.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 87. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers before 8pm. Low around 50. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.
Tonight
A slight chance of showers before 9pm. Partly cloudy, with a low around 66. Light southwest wind. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 92. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 68. Light southwest wind.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 87. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers before 8pm. Low around 50. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Friday Night
Showers. Low around 50. Chance of precipitation is 80%.
Saturday
Showers. High near 68. Chance of precipitation is 80%.
Saturday Night
Showers likely. Cloudy, with a low around 55. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Pleasant Mills PA
 40.71°N 77°W (Elev. 531 ft)
Last Update:
8:35 am EDT May 18, 2026
Forecast Valid:
11am EDT May 18, 2026-6pm EDT May 24, 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