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

60°F

16°C

Humidity 73%
Wind Speed NE 3 mph
Barometer 30.00 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 Oct 11:55 pm CDT
Extended Forecast for

Coulterville IL

  • Overnight

    Overnight: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 86. Light west wind.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 61. Calm wind becoming southwest around 5 mph after midnight.

    Low: 61 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Partly sunny, then gradually becoming sunny, with a high near 91. Southwest wind 5 to 13 mph.

    High: 91 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 66. Southwest wind around 8 mph.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Calm wind.
Sunday
Sunny, with a high near 86. Light west wind.
Sunday Night
Increasing clouds, with a low around 61. Calm wind becoming southwest around 5 mph after midnight.
Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 91. Southwest wind 5 to 13 mph.
Monday Night
Clear, with a low around 66. Southwest wind around 8 mph.
Tuesday
Sunny, with a high near 91.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coulterville IL
 38.18°N 89.6°W (Elev. 558 ft)
Last Update:
10:26 pm CDT Oct 10, 2026
Forecast Valid:
12am CDT Oct 11, 2026-6pm CDT Oct 17, 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