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 86%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Jul 8:35 pm CDT
Extended Forecast for

Saint Libory IL

Extreme Heat Warning July 21, 08:56pm until July 24, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 21, 08:56pm 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: Mostly sunny, with a high near 93. Heat index values as high as 109. Southeast wind 3 to 6 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76. Southeast wind 3 to 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 110. South wind 3 to 5 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Light south wind.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then 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
Mostly sunny, with a high near 93. Heat index values as high as 109. Southeast wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 76. Southeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 96. Heat index values as high as 110. South wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 77. Light south wind.
Thursday
Sunny, with a high near 95.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.
Friday Night
A 20 percent chance of showers and thunderstorms. 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 92.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Libory IL
 38.36°N 89.71°W (Elev. 420 ft)
Last Update:
5:52 pm CDT Jul 21, 2025
Forecast Valid:
8pm 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