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

77°F

25°C

Humidity 57%
Wind Speed S 8 mph
Barometer 29.92 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 12 Oct 10:35 pm CDT
Extended Forecast for

Lenzburg IL

  • Tonight

    Tonight: Mostly clear, with a low around 67. Southwest wind 6 to 9 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Heat index values as high as 101. Southwest wind 6 to 10 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 72. South wind 5 to 8 mph.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 83. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 90%.

    High: 83 °F

    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 66. Calm wind. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 84. 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 55.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 65. Breezy.

    High: 65 °F

    Partly Sunny
    and Breezy

  • Friday Night

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

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Southwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 95. Heat index values as high as 101. Southwest wind 6 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 72. South wind 5 to 8 mph.
Wednesday
Showers and possibly a thunderstorm. High near 83. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 65. Breezy.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lenzburg IL
 38.3°N 89.82°W (Elev. 436 ft)
Last Update:
10:21 pm CDT Oct 12, 2026
Forecast Valid:
10pm CDT Oct 12, 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