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

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

77°F

25°C

Humidity 77%
Wind Speed S 7 mph
Barometer 29.97 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Oct 11:55 pm CDT
Extended Forecast for

Okawville IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 72. Southwest wind 5 to 7 mph.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. West wind around 5 mph becoming light and variable. Chance of precipitation is 90%.

    High: 80 °F

    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Light and variable wind becoming northeast around 6 mph after midnight. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 11am, then a chance of showers and thunderstorms after 11am. Cloudy, then gradual clearing during the afternoon, with a high near 85. East wind 6 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 50. West wind 6 to 11 mph becoming northwest 13 to 18 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 61. Breezy.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 72. Southwest wind 5 to 7 mph.
Wednesday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. West wind around 5 mph becoming light and variable. Chance of precipitation is 90%.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Light and variable wind becoming northeast around 6 mph after midnight. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 11am, then a chance of showers and thunderstorms after 11am. Cloudy, then gradual clearing during the afternoon, with a high near 85. East wind 6 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 50. West wind 6 to 11 mph becoming northwest 13 to 18 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 61. Breezy.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Okawville IL
 38.42°N 89.53°W (Elev. 430 ft)
Last Update:
11:11 pm CDT Oct 13, 2026
Forecast Valid:
12am CDT Oct 14, 2026-6pm CDT Oct 20, 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