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.

Fair

66°F

19°C

Humidity 100%
Wind Speed NW 7 mph
Barometer 29.93 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 3 Aug 12:55 am CDT
Extended Forecast for

Lemont IL

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 63. North wind around 5 mph.

    Low: 63 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 79.

    High: 79 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 63. North wind around 5 mph.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 64. South wind around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 79.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lemont IL
 41.67°N 88.01°W
Last Update:
11:46 pm CDT Aug 2, 2026
Forecast Valid:
1am CDT Aug 3, 2026-6pm CDT Aug 9, 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