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.

Overcast

70°F

21°C

Humidity 100%
Wind Speed N 16 mph
Barometer 29.80 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 1 Aug 9:55 pm CDT
Extended Forecast for

Crest Hill IL

Flood Advisory until August 2, 01:00am
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until August 2, 01:00am

    NOW until 1:00am Sun

    Flood Advisory

  • Tonight

    Low: 67 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Northeast wind around 5 mph, with gusts as high as 15 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. East northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers before 1am. Cloudy, with a low around 67. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 76. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 62. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 80. Northeast wind around 5 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 61. East northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crest Hill IL
 41.57°N 88.11°W
Last Update:
10:00 pm CDT Aug 1, 2026
Forecast Valid:
10pm CDT Aug 1, 2026-6pm CDT Aug 8, 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