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

Nor'Easter Continues to Bring Heavy Rain and Coastal Impacts; Nolo Continues to Impact Hawaii

The nor’easter will weaken tonight, easing beach conditions and coastal flooding, though locally heavy rain will continue in parts of the Mid-Atlantic and New England into Monday. Hurricane Nolo continues to bring strong winds and large waves to Hawaii. A multi-day rain event will return to the Four Corners region Monday and expand to the south-central U.S. by midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

54°F

12°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.10 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 27 Sep 10:35 pm CDT
Extended Forecast for

Lemont IL

  • Tonight

    Tonight: Areas of fog after 4am. Otherwise, partly cloudy, with a low around 50. North wind around 5 mph.

    Low: 50 °F

    Partly Cloudy
    then Areas
    Fog

  • Monday

    Monday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 73. Northeast wind around 5 mph.

    High: 73 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. East northeast wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Light south southeast wind becoming south 5 to 10 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61. South wind 5 to 10 mph.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers. Cloudy, with a high near 73.

    High: 73 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Areas of fog after 4am. Otherwise, partly cloudy, with a low around 50. North wind around 5 mph.
Monday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 73. Northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 53. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 76. Light south southeast wind becoming south 5 to 10 mph in the morning.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61. South wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 76.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, with a low around 66.
Thursday
Showers. Cloudy, with a high near 73.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 57.
Friday
A chance of showers before 1pm. Partly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lemont IL
 41.67°N 87.98°W
Last Update:
9:21 pm CDT Sep 27, 2026
Forecast Valid:
10pm CDT Sep 27, 2026-6pm CDT Oct 4, 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