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

69°F

21°C

Humidity 69%
Wind Speed S 10 G 16 mph
Barometer 29.76 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 22 Mar 2:35 am CDT
Extended Forecast for

Lenzburg IL

  • Overnight

    Overnight: Clear, with a low around 62. South wind around 8 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 10pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 37. Breezy, with a north wind 14 to 22 mph, with gusts as high as 37 mph.

    Low: 37 °F

    Chance
    Showers and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 55. North wind 9 to 11 mph.

    High: 55 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Northeast wind around 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain and thunderstorms. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 62. South wind around 8 mph.
Sunday
Sunny, with a high near 90. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 10pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 37. Breezy, with a north wind 14 to 22 mph, with gusts as high as 37 mph.
Monday
Increasing clouds, with a high near 55. North wind 9 to 11 mph.
Monday Night
Mostly cloudy, with a low around 38. Northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
A 20 percent chance of rain and thunderstorms. Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of rain and thunderstorms after 1pm. Sunny, with a high near 87.
Thursday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 43.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 52.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 56.
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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:
1:26 am CDT Mar 22, 2026
Forecast Valid:
2am CDT Mar 22, 2026-6pm CDT Mar 28, 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