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

29°F

-2°C

Humidity 60%
Wind Speed S 7 mph
Barometer 30.39 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Jan 4:35 am CST
Extended Forecast for

Lenzburg IL

  • Today

    Today: Sunny, with a high near 54. South wind 7 to 10 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. South wind around 7 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 63. West wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 63 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 40. West wind 7 to 9 mph.

    Low: 40 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain showers after noon, mixing with snow after 3pm. Mostly cloudy, with a temperature falling to around 35 by 5pm. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    High: 43 °F⇓

    Partly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 54. South wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 35. South wind around 7 mph.
Tuesday
Increasing clouds, with a high near 63. West wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 40. West wind 7 to 9 mph.
Wednesday
A slight chance of rain showers after noon, mixing with snow after 3pm. Mostly cloudy, with a temperature falling to around 35 by 5pm. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Sunny, with a high near 30.
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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:
3:41 am CST Jan 12, 2026
Forecast Valid:
4am CST Jan 12, 2026-6pm CST Jan 18, 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