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.

Fair

45°F

7°C

Humidity 66%
Wind Speed SE 5 mph
Barometer 29.98 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Feb 3:55 pm CST
Extended Forecast for

Plainfield IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. South southeast wind around 5 mph becoming west southwest after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57. West southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 34. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 61. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 66. Breezy.

    High: 66 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. South southeast wind around 5 mph becoming west southwest after midnight.
Sunday
Sunny, with a high near 57. West southwest wind 5 to 10 mph becoming northwest in the afternoon.
Sunday Night
Increasing clouds, with a low around 34. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.
Washington's Birthday
Partly sunny, with a high near 61. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 40. South southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 66. Breezy.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 55.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 32.
Friday
A chance of showers. Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plainfield IL
 41.64°N 88.19°W
Last Update:
3:11 pm CST Feb 14, 2026
Forecast Valid:
4pm CST Feb 14, 2026-6pm CST Feb 21, 2026
 
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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