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

51°F

11°C

Humidity 36%
Wind Speed SW 12 G 17 mph
Barometer 30.05 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 21 Jan 1:15 pm CST
Extended Forecast for

Lenzburg IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 48. West wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. Southwest wind 5 to 9 mph becoming northwest after midnight.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Light northwest wind.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11. Light northeast wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 24 mph.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 17. North wind 13 to 16 mph, with gusts as high as 23 mph.

    High: 17 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 3.

    Low: 3 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Cloudy and cold, with a high near 14.

    High: 14 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.

    Low: 9 °F

    Snow Likely
    then Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Partly sunny and cold, with a high near 20.

    High: 20 °F

    Slight Chance
    Snow then
    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 48. West wind 8 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 23. Southwest wind 5 to 9 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 39. Light northwest wind.
Thursday Night
Mostly cloudy, with a low around 11. Light northeast wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 24 mph.
Friday
Mostly cloudy and cold, with a high near 17. North wind 13 to 16 mph, with gusts as high as 23 mph.
Friday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 3.
Saturday
A 50 percent chance of snow. Cloudy and cold, with a high near 14.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.
Sunday
A 20 percent chance of snow before noon. Partly sunny and cold, with a high near 20.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 36.
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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:
10:57 am CST Jan 21, 2026
Forecast Valid:
1pm CST Jan 21, 2026-6pm CST Jan 27, 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