National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

24°F

-4°C

Humidity 29%
Wind Speed W 9 mph
Barometer 30.42 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 19 Jan 2:55 pm CST
Extended Forecast for

Lenzburg IL

  • Tonight

    Tonight: Mostly clear, with a low around 12. Northwest wind around 5 mph becoming calm in the evening.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 31. South wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 47. West wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. West wind 5 to 7 mph becoming northwest after midnight.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 20.

    High: 20 °F

    Cold

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 3.

    Low: 3 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 12. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 38. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 31. South wind 11 to 15 mph, with gusts as high as 26 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 47. West wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 24. West wind 5 to 7 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Mostly cloudy and cold, with a high near 20.
Friday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 3.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 14.
Saturday Night
A 30 percent chance of snow. Partly cloudy, with a low around 5.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Mostly clear, with a low around 9.
Monday
Sunny, with a high near 34.
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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:
2:51 pm CST Jan 19, 2026
Forecast Valid:
3pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation