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.

Mostly Cloudy

32°F

0°C

Humidity 51%
Wind Speed NW 10 mph
Barometer 30.07 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 14 Jan 5:55 pm CST
Extended Forecast for

Lenzburg IL

  • Tonight

    Tonight: Clear, with a low around 18. Northwest wind 7 to 17 mph, with gusts as high as 29 mph.

    Low: 18 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 34. Northwest wind 5 to 7 mph becoming south in the afternoon.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 9pm. Mostly cloudy, with a low around 27. South wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 27 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 45. West wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of sprinkles before 9pm, then a chance of flurries between 9pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 22. West wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Chance
    Sprinkles/Flurries
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 18. Northwest wind 7 to 17 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 34. Northwest wind 5 to 7 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow after 9pm. Mostly cloudy, with a low around 27. South wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 45. West wind 10 to 16 mph, with gusts as high as 24 mph.
Friday Night
A chance of sprinkles before 9pm, then a chance of flurries between 9pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 22. West wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 15.
M.L.King Day
Mostly sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Sunny, with a high near 43.
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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:
4:51 pm CST Jan 14, 2026
Forecast Valid:
6pm CST Jan 14, 2026-6pm CST Jan 21, 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