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

Hazardous Weather Conditions

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

82°F

28°C

Humidity 89%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 21 Jul 8:55 pm CDT
Extended Forecast for

Renault IL

Extreme Heat Warning July 21, 09:07pm until July 24, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 21, 09:07pm until July 24, 07:00pm

    NOW until 7:00pm Thu

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. South wind around 6 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97. Heat index values as high as 112. Southeast wind 3 to 5 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 3 to 5 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 1am and 4am. Partly cloudy, with a low around 75. Light east wind. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 77. South wind around 6 mph.
Wednesday
Mostly sunny and hot, with a high near 97. Heat index values as high as 112. Southeast wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind 3 to 5 mph.
Thursday
Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 76.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Renault IL
 38.15°N 90.14°W (Elev. 696 ft)
Last Update:
5:52 pm CDT Jul 21, 2025
Forecast Valid:
9pm CDT Jul 21, 2025-6pm CDT Jul 28, 2025
 
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