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

63°F

17°C

Humidity 100%
Wind Speed N 6 mph
Barometer 29.94 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 3 Aug 2:30 am CDT
Extended Forecast for

Lemont IL

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, 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 82. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. East wind around 5 mph becoming south after midnight.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. South southwest wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 63. North wind around 5 mph.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 62. East wind around 5 mph becoming south after midnight.
Tuesday
Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 65. South southwest wind around 5 mph.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lemont IL
 41.67°N 88.01°W
Last Update:
2:41 am CDT Aug 3, 2026
Forecast Valid:
2am 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