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 >

Hazardous Weather Conditions

Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

Overcast

55°F

13°C

Humidity 91%
Wind Speed Calm
Barometer 29.98 in (1015.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 13 May 2:55 am EDT
Extended Forecast for

Lebanon South PA

  • Overnight

    Overnight: Cloudy, with a low around 52. South wind around 8 mph.

    Low: 52 °F

    Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 71. Southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 1am, then a chance of showers. Low around 49. Southwest wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Northwest wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 52. South wind around 8 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 71. Southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms before 1am, then a chance of showers. Low around 49. Southwest wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly sunny, with a high near 63. Northwest wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 48. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny and hot, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon South PA
 40.32°N 76.43°W (Elev. 499 ft)
Last Update:
2:36 am EDT May 13, 2026
Forecast Valid:
3am 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