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

Hazardous Weather Conditions

Current conditions at

Lawrenceville-Vincennes International Airport (KLWV)

Lat: 38.76°NLon: 87.6°WElev: 433ft.

Fair

80°F

27°C

Humidity 71%
Wind Speed S 5 mph
Barometer 30.03 in (1016.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 1 Sep 9:53 pm CDT
Extended Forecast for

Lawrenceville IL

Heat Advisory September 1, 10:33pm until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 10:33pm until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Heat index values as high as 105. South southwest wind 3 to 8 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 77. South southwest wind around 6 mph becoming calm after midnight.

    Low: 77 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 106. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Calm wind becoming west southwest around 5 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 76. South southwest wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 100. Heat index values as high as 105. South southwest wind 3 to 8 mph.
Wednesday Night
Clear, with a low around 77. South southwest wind around 6 mph becoming calm after midnight.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 106. Calm wind becoming west southwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 99. Calm wind becoming west southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 74. Calm wind.
Saturday
Mostly sunny and hot, with a high near 97.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 67.
Labor Day
Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lawrenceville IL
 38.73°N 87.67°W (Elev. 407 ft)
Last Update:
9:31 pm CDT Sep 1, 2026
Forecast Valid:
10pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation