Severe Weather in the Central Plains; Heavy Rainfall in the Tennessee Valley; Critical Fire Weather in the West

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains this evening. Heavy to excessive rainfall may bring a flooding threat from the Great Lakes to the Mid-South through tonight. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 29.95 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 9 Jun 12:50 am CDT
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 70. South southwest wind around 5 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon.  Partly sunny, with a high near 86. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 86 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 69. West wind 5 to 10 mph becoming southeast after midnight.  Chance of precipitation is 40%.

    Low: 69 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of thunderstorms before 7am.  Cloudy through mid morning, then gradual clearing, with a high near 91. Heat index values as high as 101. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 10%.

    High: 91 °F

    Slight Chance
    T-storms then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 70. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    Low: 70 °F

    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 10am.  Partly sunny, with a high near 87. Breezy.  Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    T-storms
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am.  Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. South southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 86. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 69. West wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 40%.
Wednesday
A slight chance of thunderstorms before 7am. Cloudy through mid morning, then gradual clearing, with a high near 91. Heat index values as high as 101. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 10%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 70. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday
A chance of showers, then showers and thunderstorms likely after 10am. Partly sunny, with a high near 87. Breezy. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm before 1am. Low around 62. Chance of precipitation is 80%.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 84.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Sunday
A chance of showers. Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 57.
Monday
A chance of showers. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.1°W
8:46 pm CDT Jun 8, 2026
1am CDT Jun 9, 2026-6pm CDT Jun 15, 2026
 
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Additional Resources

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