National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 22 Sep 9:35 pm CDT
Extended Forecast for

Lenzburg IL

Dense Fog Advisory September 23, 03:00am until September 23, 09:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Patchy fog between 3am and 4am. Otherwise, partly cloudy, with a low around 65. Light southeast wind.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Areas of dense fog before 9am. Otherwise, increasing clouds, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

    High: 80 °F

    Areas Dense
    Fog then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 67. East wind 3 to 6 mph. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. East wind 6 to 9 mph becoming northwest in the morning. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog between 3am and 4am. Otherwise, partly cloudy, with a low around 65. Light southeast wind.
Tuesday
A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Areas of dense fog before 9am. Otherwise, increasing clouds, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 67. East wind 3 to 6 mph. Chance of precipitation is 80%.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. East wind 6 to 9 mph becoming northwest in the morning. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northwest wind around 6 mph. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lenzburg IL
 38.27°N 89.82°W (Elev. 423 ft)
Last Update:
9:26 pm CDT Sep 22, 2025
Forecast Valid:
9pm CDT Sep 22, 2025-6pm CDT Sep 29, 2025
 
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