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.

Overcast

63°F

17°C

Humidity 33%
Wind Speed E 7 mph
Barometer 29.99 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 28 Feb 2:35 pm CST
Extended Forecast for

Lenzburg IL

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly between 3pm and 5pm. Mostly cloudy, with a high near 65. South wind around 6 mph.

    High: 65 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. South wind 5 to 11 mph becoming northwest in the evening. Winds could gust as high as 22 mph.

    Low: 33 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 47. Northeast wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 47 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain and snow likely, possibly mixed with sleet before 3am, then rain likely, possibly mixed with snow. Cloudy, with a low around 34. East wind around 9 mph. Chance of precipitation is 70%. Little or no snow and sleet accumulation expected.

    Low: 34 °F

    Wintry Mix
    Likely

  • Monday

    Monday: Rain likely, mainly before noon. Cloudy, with a high near 46. East wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely. Cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely and possibly a thunderstorm before 9am, then rain likely between 9am and noon, then rain likely and possibly a thunderstorm after noon. Cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm. Cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly between 3pm and 5pm. Mostly cloudy, with a high near 65. South wind around 6 mph.
Tonight
A 20 percent chance of rain before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. South wind 5 to 11 mph becoming northwest in the evening. Winds could gust as high as 22 mph.
Sunday
Partly sunny, with a high near 47. Northeast wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Rain and snow likely, possibly mixed with sleet before 3am, then rain likely, possibly mixed with snow. Cloudy, with a low around 34. East wind around 9 mph. Chance of precipitation is 70%. Little or no snow and sleet accumulation expected.
Monday
Rain likely, mainly before noon. Cloudy, with a high near 46. East wind 7 to 9 mph. Chance of precipitation is 60%.
Monday Night
Rain likely. Cloudy, with a low around 41. Chance of precipitation is 70%.
Tuesday
Rain likely and possibly a thunderstorm before 9am, then rain likely between 9am and noon, then rain likely and possibly a thunderstorm after noon. Cloudy, with a high near 66. Chance of precipitation is 70%.
Tuesday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 55. Chance of precipitation is 70%.
Wednesday
Rain and possibly a thunderstorm. High near 69. Chance of precipitation is 80%.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Thursday
Rain likely. Partly sunny, with a high near 71. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 57.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
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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:
1:16 pm CST Feb 28, 2026
Forecast Valid:
2pm CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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