Isolated Severe Thunderstorms and Critical Fire Weather Tuesday

Isolated severe thunderstorms with strong wind gusts and hail will be possible Tuesday from parts of central Plains northeastward into the Midwest. Additional storms capable of damaging winds will be possible across the eastern Florida peninsula. Elevated to critical fire weather including gusty winds and low relative humidity is forecast again Tuesday over much of the northern Great Plains. Read More >

Current conditions at

Schuylkill County/Joe Zerbey Airport (KZER)

Lat: 40.71°NLon: 76.37°WElev: 1730ft.

Fair

41°F

5°C

Humidity 61%
Wind Speed N 3 mph
Barometer 30.17 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 12 May 2:55 am EDT
Extended Forecast for

2 Miles SSW Lake Wynonah PA

Frost Advisory until May 12, 08:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until May 12, 08:00am

    NOW until 8:00am Tue

    Frost Advisory

  • Overnight

    Low: 37 °F

    Clear

  • Tuesday

    Tuesday: Areas of frost before 7am.  Otherwise, sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 49. Calm wind becoming south around 5 mph after midnight.

    Low: 49 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 5pm.  High near 69. South wind 7 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Mostly Cloudy
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 50. South wind 5 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 8am.  Partly sunny, with a high near 61. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Overnight
Clear, with a low around 37. Light north wind.
Tuesday
Areas of frost before 7am. Otherwise, sunny, with a high near 65. Light and variable wind.
Tuesday Night
Increasing clouds, with a low around 49. Calm wind becoming south around 5 mph after midnight.
Wednesday
Showers, with thunderstorms also possible after 5pm. High near 69. South wind 7 to 11 mph, with gusts as high as 24 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 and possibly a thunderstorm. Low around 50. South wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 8am. Partly sunny, with a high near 61. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 56.
Sunday
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:
2 Miles SSW Lake Wynonah PA
 40.56°N 76.21°W (Elev. 797 ft)
2:56 am EDT May 12, 2026
3am 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