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Hazardous Weather Conditions

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

96°F

36°C

Humidity 44%
Wind Speed S 8 mph
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 17 Aug 1:15 pm CDT
Extended Forecast for

4 Miles W Saint Libory IL

Heat Advisory August 17, 01:32pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 01:32pm until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Isolated showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 109. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 97 °F

    Patchy Fog
    then Isolated
    T-storms

  • Monday Night

    Monday Night: Scattered showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Calm wind. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 96 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 105. East wind 3 to 5 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Isolated showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 109. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Monday Night
Scattered showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Calm wind. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Libory IL
 38.36°N 89.79°W (Elev. 381 ft)
Last Update:
12:51 pm CDT Aug 17, 2025
Forecast Valid:
1pm CDT Aug 17, 2025-6pm CDT Aug 23, 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