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.

Mostly Cloudy

64°F

18°C

Humidity 100%
Wind Speed N 5 mph
Barometer 29.94 in
Dewpoint 64°F (18°C)
Visibility 7.00 mi
Last update 14 Oct 5:55 am CDT
Extended Forecast for

Plainfield IL

  • Today

    Today: A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 65. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    T-storms then
    Isolated
    Showers

  • Tonight

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

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after 1pm. High near 61. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Rain Likely
    then Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm before 1am, then a slight chance of rain. Mostly cloudy, with a low around 49. Southeast wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely

  • Friday

    Friday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.

    High: 55 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 65. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Tonight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 57. Northeast wind around 10 mph, with gusts as high as 15 mph.
Thursday
Rain likely, then rain and possibly a thunderstorm after 1pm. High near 61. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely and possibly a thunderstorm before 1am, then a slight chance of rain. Mostly cloudy, with a low around 49. Southeast wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.
Friday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 56.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plainfield IL
 41.62°N 88.22°W
Last Update:
5:46 am CDT Oct 14, 2026
Forecast Valid:
6am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation