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

44°F

7°C

Humidity 52%
Wind Speed S 13 mph
Barometer 30.17 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Jan 8:55 pm CST
Extended Forecast for

Lenzburg IL

  • Tonight

    Tonight: Mostly clear, with a low around 38. South wind 7 to 9 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 64. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 64 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 39. West wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 42 by 10am, then falling to around 34 during the remainder of the day. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 32 mph.

    High: 42 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. North wind 9 to 17 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. South wind 7 to 9 mph.
Tuesday
Increasing clouds, with a high near 64. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 39. West wind 7 to 11 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a temperature rising to near 42 by 10am, then falling to around 34 during the remainder of the day. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 17. North wind 9 to 17 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 27.
Sunday Night
Mostly clear, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lenzburg IL
 38.3°N 89.82°W (Elev. 436 ft)
Last Update:
8:26 pm CST Jan 12, 2026
Forecast Valid:
9pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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