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

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Partly Cloudy and Breezy

77°F

25°C

Humidity 61%
Wind Speed S 21 G 28 mph
Barometer 29.85 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 May 11:10 pm CDT
Extended Forecast for

Plainfield IL

  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 68. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 68 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 79. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    T-storms
    Likely and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 80. Breezy, with a south southwest wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 50. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 68. South wind around 15 mph, with gusts as high as 30 mph.
Monday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 79. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 80. Breezy, with a south southwest wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Tuesday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 50. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Mostly cloudy, with a high near 71.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 76.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Plainfield IL
 41.59°N 88.19°W
Last Update:
9:52 pm CDT May 17, 2026
Forecast Valid:
12am CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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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