Isolated Severe Storms in the Midwest; Fire Weather Concerns in the Northern Plains; Record Heat in the West

Isolated severe storms are possible across parts of the Florida Peninsula and the Great Lakes to Lower Missouri Valley and south-central Plains late this afternoon and early evening. Elevated to critical fire weather concerns continue over much of the northern Great Plains. Above average temperatures persist across portions of the West today. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

57°F

14°C

Humidity 41%
Wind Speed Calm
Barometer 30.21 in (1023.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 12 May 11:53 am EDT
Extended Forecast for

3 Miles ENE Herndon PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. Calm wind.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. Southeast wind 3 to 8 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly cloudy, with a high near 67. South wind 8 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then showers likely.  Low around 47. South wind 5 to 8 mph becoming light and variable.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers

  • Thursday

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

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Calm wind.
Tonight
Increasing clouds, with a low around 50. Southeast wind 3 to 8 mph.
Wednesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 67. South wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. 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 1am, then showers likely. Low around 47. South wind 5 to 8 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly 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 47.
Friday
Partly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Herndon PA
 40.74°N 76.82°W (Elev. 925 ft)
12:11 pm EDT May 12, 2026
12pm EDT May 12, 2026-6pm EDT May 18, 2026
 
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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