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Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

88°F

31°C

Humidity 79%
Wind Speed E 10 mph
Barometer 29.96 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 4 Sep 1:45 pm CDT
Extended Forecast for

3 Miles NW Plainfield IL

Heat Advisory September 4, 02:30pm until September 4, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 02:30pm until September 4, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Heat index values as high as 95. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. East northeast wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Heat index values as high as 104. East wind 5 to 15 mph becoming southwest. Winds could gust as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Heat index values as high as 95. North wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 65. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 82. East northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 61.
Labor Day
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Plainfield IL
 41.64°N 88.25°W
Last Update:
1:21 pm CDT Sep 4, 2026
Forecast Valid:
2pm CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation