Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.02 in
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 10 Sep 7:45 am CDT
Extended Forecast for

2 Miles SSE Lemont IL

  • Today

    Today: Mostly cloudy, with a high near 79. North northeast wind around 5 mph.

    High: 79 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly clear, with a low around 55. East wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. South southeast wind around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

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

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 79. North northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 55. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the morning. Winds could gust as high as 10 mph.
Friday Night
Partly cloudy, with a low around 63. South southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
Partly sunny, with a high near 87.
Monday Night
A chance of showers. Partly cloudy, with a low around 68.
Tuesday
A chance of showers. Partly sunny, with a high near 78.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Lemont IL
 41.65°N 87.98°W
5:46 am CDT Sep 10, 2026
8am CDT Sep 10, 2026-6pm CDT Sep 16, 2026
 
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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