Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

88°F

31°C

Humidity 29%
Wind Speed NE 8 mph
Barometer 30.05 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 7 Sep 4:15 pm CDT
Extended Forecast for

Steeleville IL

  • Tonight

    Tonight: Mostly clear, with a low around 61. East wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 98. Heat index values as high as 109. Southwest wind 6 to 10 mph.  Chance of precipitation is 20%.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 69. Light south wind.  Chance of precipitation is 90%.

    Low: 69 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  High near 83. Chance of precipitation is 90%.

    High: 83 °F

    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 61. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 94. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 71. Calm wind becoming south 5 to 8 mph after midnight.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 109. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 69. Light south wind. Chance of precipitation is 90%.
Thursday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 83. Chance of precipitation is 90%.
Thursday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 63.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 87.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers. Mostly clear, with a low around 66.
Sunday
A 20 percent chance of showers. Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Steeleville IL
 38°N 89.67°W (Elev. 420 ft)
3:46 pm CDT Sep 7, 2026
4pm CDT Sep 7, 2026-6pm CDT Sep 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database