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Hurricane Lowell to Impact Kauai; Heat Continues in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai today. Impacts such as high surf and heavy rain could impact all of the islands. A Hurricane Warning is in effect for Kauai, Niihau and the surrounding coastal waters. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest this week with limited nighttime relief. Read More >

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

88°F

31°C

Humidity 42%
Wind Speed S 12 mph
Barometer 30.04 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 8 Sep 4:15 pm CDT
Extended Forecast for

Roanoke IL

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South southeast wind 7 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 1pm. Partly sunny, with a high near 84. West wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light northwest wind. Chance of precipitation is 40%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 82. North wind 3 to 8 mph.

    High: 82 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. South southeast wind 3 to 7 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Southeast wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 73. South southeast wind 7 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 1pm. Partly sunny, with a high near 84. West wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light northwest wind. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 82. North wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 56. Light and variable wind.
Friday
Sunny, with a high near 84. South southeast wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 64. Southeast wind 6 to 8 mph, with gusts as high as 16 mph.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 88.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
Sunday Night
A chance of showers. Partly cloudy, with a low around 63.
Monday
A chance of showers. Partly sunny, with a high near 86.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Roanoke IL
 40.8°N 89.2°W (Elev. 738 ft)
Last Update:
3:36 pm CDT Sep 8, 2026
Forecast Valid:
4pm CDT Sep 8, 2026-6pm CDT Sep 15, 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