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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

A Few Clouds

77°F

25°C

Humidity 44%
Wind Speed W 15 mph
Barometer 29.96 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Jun 3:45 pm CDT
Extended Forecast for

Crest Hill IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 4pm. High near 72. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Monday

    Monday: A 10 percent chance of showers before 7am. Partly sunny, with a high near 74. North northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Partly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 78. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Sunday
Showers, with thunderstorms also possible after 4pm. High near 72. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 74. North northeast wind around 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A chance of showers after 1am. Partly cloudy, with a low around 58.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crest Hill IL
 41.55°N 88.11°W
Last Update:
2:52 pm CDT Jun 20, 2026
Forecast Valid:
3pm CDT Jun 20, 2026-6pm CDT Jun 26, 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