Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Light Rain Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed E 14 G 22 mph
Barometer 29.83 in
Dewpoint 57°F (14°C)
Visibility 2.50 mi
Last update 21 Jun 8:50 pm CDT
Extended Forecast for

Crest Hill IL

  • Tonight

    Tonight: Rain before 1am, then showers likely, mainly between 1am and 5am.  Low around 59. Northeast wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Rain

  • Monday

    Monday: A 10 percent chance of showers before 7am.  Cloudy through mid morning, then gradual clearing, with a high near 73. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Northeast wind around 5 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. East wind around 5 mph becoming south after midnight.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain before 1am, then showers likely, mainly between 1am and 5am. Low around 59. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 73. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 77. Northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 56. East wind around 5 mph becoming south after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 79.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Crest Hill IL
 41.57°N 88.11°W
8:56 pm CDT Jun 21, 2026
9pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database