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

67°F

19°C

Humidity 66%
Wind Speed S 5 mph
Barometer 29.95 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 13 Oct 5:55 am CDT
Extended Forecast for

Sparta IL

  • Today

    Today: Sunny, with a high near 94. Southwest wind 6 to 10 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 70. Southwest wind 5 to 7 mph.

    Low: 70 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 83. Light and variable wind becoming west around 5 mph. Chance of precipitation is 100%.

    High: 83 °F

    Showers
    Likely then
    Showers

  • 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 65. Calm wind. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 64. Breezy.

    High: 64 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Southwest wind 6 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 70. Southwest wind 5 to 7 mph.
Wednesday
Showers and possibly a thunderstorm. High near 83. Light and variable wind becoming west around 5 mph. Chance of precipitation is 100%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 64. Breezy.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 46.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta IL
 38.16°N 89.72°W (Elev. 489 ft)
Last Update:
1:21 am CDT Oct 13, 2026
Forecast Valid:
6am CDT Oct 13, 2026-6pm CDT Oct 19, 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