Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

89°F

32°C

Humidity 50%
Wind Speed NE 7 mph
Barometer 29.97 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 6 Sep 2:55 pm CDT
Extended Forecast for

Lenzburg IL

  • Tonight

    Tonight: Mostly clear, with a low around 64. Northeast wind 5 to 9 mph.

    Low: 64 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 90. East wind 3 to 6 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 63. East wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Light south wind increasing to 5 to 9 mph in the evening.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Northeast wind 5 to 9 mph.
Labor Day
Sunny, with a high near 90. East wind 3 to 6 mph.
Monday Night
Increasing clouds, with a low around 63. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. Light south wind increasing to 5 to 9 mph in the evening.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 69. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 61.
Friday
A 20 percent chance of showers before 1pm. Sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 90.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Lenzburg IL
 38.27°N 89.82°W (Elev. 423 ft)
2:26 pm CDT Sep 6, 2026
3pm CDT Sep 6, 2026-6pm CDT Sep 13, 2026
 
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Additional Resources

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