National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the East; Critical Fire Weather in the 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 today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Willimantic, Windham Airport (KIJD)

Lat: 41.74°NLon: 72.18°WElev: 246ft.

Fair

86°F

30°C

Humidity 33%
Wind Speed Vrbl 6 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 29 Jun 4:52 pm EDT
Extended Forecast for

Lebanon CT

Extreme Heat Watch July 1, 12:00pm until July 4, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly clear, with a low around 61. South wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Light southwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly between 11pm and 2am. Partly cloudy, with a low around 68. South wind 8 to 15 mph.

    Low: 68 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94. Heat index values as high as 101. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 74. Southwest wind 5 to 9 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Sunny and hot, with a high near 100.

    High: 100 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly clear, with a low around 61. South wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 88. Light southwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly between 11pm and 2am. Partly cloudy, with a low around 68. South wind 8 to 15 mph.
Wednesday
Mostly sunny, with a high near 94. Heat index values as high as 101. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 74. Southwest wind 5 to 9 mph.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Clear, with a low around 76.
Friday
A 30 percent chance of showers after 2pm. Sunny and hot, with a high near 100.
Friday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 73.
Independence Day
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 98.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon CT
 41.67°N 72.24°W (Elev. 492 ft)
Last Update:
3:53 pm EDT Jun 29, 2026
Forecast Valid:
5pm EDT Jun 29, 2026-6pm EDT Jul 6, 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