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.

Mostly Cloudy

70°F

21°C

Humidity 69%
Wind Speed NW 10 G 21 mph
Barometer 29.87 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 14 Jun 12:45 pm CDT
Extended Forecast for

Lemont IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 71. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. North northwest wind 5 to 15 mph becoming west southwest after midnight.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 75. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 75 °F

    Chance
    Showers then
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 54. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. Breezy.

    Low: 61 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Partly sunny, with a high near 74. Breezy.

    High: 74 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 51. North northwest wind 5 to 15 mph becoming west southwest after midnight.
Monday
Sunny, with a high near 76. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 75. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 76. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. Breezy.
Thursday
Partly sunny, with a high near 74. Breezy.
Thursday Night
Partly cloudy, with a low around 56.
Juneteenth
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lemont IL
 41.67°N 87.98°W
Last Update:
11:21 am CDT Jun 14, 2026
Forecast Valid:
1pm CDT Jun 14, 2026-6pm CDT Jun 20, 2026
 
Forecast Discussion
 
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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