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.

Mostly Cloudy

63°F

17°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.91 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 10 Mar 3:15 am CDT
Extended Forecast for

Steeleville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 61. South wind around 9 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 80. South wind 8 to 16 mph, with gusts as high as 28 mph.

    High: 80 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 60. South wind 15 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Cloudy then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then showers between 1pm and 2pm, then rain after 2pm. Temperature falling to around 53 by 5pm. Southwest wind 15 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%.

    High: 71 °F⇓

    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. North wind 8 to 18 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. South wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 80. South wind 8 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 60. South wind 15 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then showers between 1pm and 2pm, then rain after 2pm. Temperature falling to around 53 by 5pm. Southwest wind 15 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 34. North wind 8 to 18 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Rain likely. Mostly cloudy, with a high near 65. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Steeleville IL
 38°N 89.67°W (Elev. 420 ft)
Last Update:
1:25 am CDT Mar 10, 2026
Forecast Valid:
3am CDT Mar 10, 2026-6pm CDT Mar 16, 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