Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

Fair

69°F

21°C

Humidity 88%
Wind Speed Calm
Barometer 30.11 in (1019.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 30 Jun 1:55 am EDT
Extended Forecast for

Lebanon PA

Extreme Heat Watch July 1, 12:00pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Overnight

    Overnight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Isolated showers and thunderstorms after 2pm.  Sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 3 to 7 mph.  Chance of precipitation is 20%.

    High: 98 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Calm wind.
Tuesday
Mostly sunny, with a high near 91. Light southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 70. South wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Isolated showers and thunderstorms after 2pm. Sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 75. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 102.
Thursday Night
Clear, with a low around 77.
Friday
Sunny and hot, with a high near 103.
Friday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 93. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon PA
 40.34°N 76.42°W (Elev. 499 ft)
2:05 am EDT Jun 30, 2026
2am EDT Jun 30, 2026-6pm EDT Jul 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database