Current conditions at

Lawrenceville-Vincennes International Airport (KLWV)

Lat: 38.76°NLon: 87.6°WElev: 433ft.

Fair

100°F

38°C

Humidity 33%
Wind Speed N 8 G 18 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 5 Sep 12:53 pm CDT
Extended Forecast for

Lawrenceville IL

Extreme Heat Warning September 5, 01:26pm until September 5, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 5, 01:26pm until September 5, 07:00pm

    NOW until 7:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 100 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 70. Northeast wind 5 to 7 mph.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 88. Northeast wind 8 to 11 mph, with gusts as high as 17 mph.

    High: 88 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Northeast wind 5 to 9 mph, with gusts as high as 16 mph.

    Low: 62 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 89. East northeast wind 5 to 7 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. East northeast wind around 6 mph becoming calm  after midnight.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Calm wind becoming south 5 to 8 mph in the morning.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 104. Northwest wind around 8 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. Northeast wind 5 to 7 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 88. Northeast wind 8 to 11 mph, with gusts as high as 17 mph.
Sunday Night
Mostly clear, with a low around 62. Northeast wind 5 to 9 mph, with gusts as high as 16 mph.
Labor Day
Sunny, with a high near 89. East northeast wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 65. East northeast wind around 6 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 95. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 70.
Thursday
A chance of showers. Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Lawrenceville IL
 38.73°N 87.67°W (Elev. 407 ft)
12:36 pm CDT Sep 5, 2026
1pm CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database