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Hazardous Weather Conditions

Current conditions at

Lawrenceville-Vincennes International Airport (KLWV)

Lat: 38.76°NLon: 87.6°WElev: 433ft.

Fair

79°F

26°C

Humidity 90%
Wind Speed SW 3 mph
Barometer 30.05 in (1017.1 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Aug 11:53 pm CDT
Extended Forecast for

Lawrenceville IL

Heat Advisory August 15, 11:59pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 11:59pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 93. Heat index values as high as 103. West southwest wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly between 4am and 5am. Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 85. North northwest wind 3 to 8 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. North wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. Light south southeast wind.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Southwest wind 3 to 7 mph.
Sunday
A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 93. Heat index values as high as 103. West southwest wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly between 4am and 5am. Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 85. North northwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 65. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Calm wind.
Tuesday Night
Partly cloudy, with a low around 68. Light south southeast wind.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lawrenceville IL
 38.71°N 87.7°W (Elev. 436 ft)
Last Update:
11:41 pm CDT Aug 15, 2026
Forecast Valid:
11pm CDT Aug 15, 2026-6pm CDT Aug 22, 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