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

28°F

-2°C

Humidity 47%
Wind Speed Calm
Barometer 30.47 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 23 Feb 5:35 pm CST
Extended Forecast for

Coulterville IL

  • Tonight

    Tonight: Mostly clear, with a low around 20. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 48 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. West wind around 6 mph becoming east in the afternoon.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 38. East wind 5 to 8 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain before noon. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 20. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
Partly sunny, with a high near 48. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Wednesday
Partly sunny, with a high near 53. West wind around 6 mph becoming east in the afternoon.
Wednesday Night
A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 38. East wind 5 to 8 mph.
Thursday
A 40 percent chance of rain before noon. Partly sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 60.
Friday Night
Clear, with a low around 40.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 49.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
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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:
2:51 pm CST Feb 23, 2026
Forecast Valid:
5pm CST Feb 23, 2026-6pm CST Mar 2, 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