National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

64°F

18°C

Humidity 78%
Wind Speed N 13 G 20 mph
Barometer 30.11 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Oct 3:45 pm CDT
Extended Forecast for

Plainfield IL

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 4pm. High near 61. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Cloudy, with a low around 49. Breezy, with an east wind 10 to 20 mph becoming west in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.

    High: 55 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Breezy, with a north wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.

    Low: 37 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Showers, with thunderstorms also possible after 4pm. High near 61. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms. Cloudy, with a low around 49. Breezy, with an east wind 10 to 20 mph becoming west in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Friday Night
Partly cloudy, with a low around 37. Breezy, with a north wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 58.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plainfield IL
 41.62°N 88.19°W
Last Update:
3:56 pm CDT Oct 14, 2026
Forecast Valid:
4pm CDT Oct 14, 2026-6pm CDT Oct 21, 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