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

Lawrenceville-Vincennes International Airport (KLWV)

Lat: 38.76°NLon: 87.6°WElev: 433ft.

Fair

63°F

17°C

Humidity 20%
Wind Speed Calm
Barometer 30.25 in (1024.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 20 Apr 5:53 pm CDT
Extended Forecast for

Lawrenceville IL

  • Tonight

    Tonight: Mostly clear, with a low around 46. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 56. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 77. Southwest wind 8 to 11 mph, with gusts as high as 17 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 6 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Calm wind becoming south 5 to 8 mph in the evening.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 56. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 77. Southwest wind 8 to 11 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 6 mph.
Thursday
Sunny, with a high near 81. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 18 mph.
Friday
Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 74.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55.
Monday
A chance of showers. Mostly cloudy, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lawrenceville IL
 38.73°N 87.67°W (Elev. 407 ft)
Last Update:
5:16 pm CDT Apr 20, 2026
Forecast Valid:
6pm CDT Apr 20, 2026-6pm CDT Apr 27, 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