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.

Partly Cloudy

48°F

9°C

Humidity 61%
Wind Speed NE 7 mph
Barometer 30.28 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 20 Apr 1:55 am CDT
Extended Forecast for

Lenzburg IL

  • Overnight

    Overnight: Partly cloudy, with a low around 42. Northeast wind 3 to 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. Calm wind becoming east around 6 mph in the morning.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Southeast wind 6 to 8 mph becoming south after midnight.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Southwest wind 6 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Partly Cloudy
    then Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. Northeast wind 3 to 5 mph.
Monday
Sunny, with a high near 69. Calm wind becoming east around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 50. Southeast wind 6 to 8 mph becoming south after midnight.
Tuesday
Sunny, with a high near 79. Southwest wind 7 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 55. Southwest wind 6 to 10 mph.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 51.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lenzburg IL
 38.3°N 89.82°W (Elev. 436 ft)
Last Update:
1:26 am CDT Apr 20, 2026
Forecast Valid:
2am CDT Apr 20, 2026-6pm CDT Apr 26, 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