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

35°F

2°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.08 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 16 Feb 6:35 am CST
Extended Forecast for

Steeleville IL

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 63. Light south wind increasing to 6 to 11 mph in the morning.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. South wind around 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 56. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 34 mph.

    Low: 56 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Southwest wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Washington's Birthday
Mostly sunny, with a high near 63. Light south wind increasing to 6 to 11 mph in the morning.
Tonight
Partly cloudy, with a low around 43. South wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 62. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 56. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 72. Southwest wind 9 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 48.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 72. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 39.
Friday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 53.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 33.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 50.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 29.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 43.
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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:
6:01 am CST Feb 16, 2026
Forecast Valid:
6am CST Feb 16, 2026-6pm CST Feb 22, 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