Hot Weather in the West; Heavy Rainfall and Flooding in the Southwest

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S, with the Pacific Northwest carrying the potential for record-breaking high temperatures. Monsoonal moisture over the Southwest U.S. may lead to heavy rainfall and instances of flash flooding through Wednesday. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

57°F

14°C

Humidity 100%
Wind Speed NW 5 mph
Barometer 30.13 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 2 Sep 6:50 am CDT
Extended Forecast for

Crystal Lawns IL

  • Today

    Today: Patchy fog before 9am.  Otherwise, sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind becoming southwest around 5 mph after midnight.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 1pm.  High near 78. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Mostly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Cloudy, then gradually becoming partly cloudy, with a low around 46. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 66. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am.  Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 58. Calm wind becoming southwest around 5 mph after midnight.
Wednesday
Showers and possibly a thunderstorm after 1pm. High near 78. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 46. Northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Thursday
Sunny, with a high near 66. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lawns IL
 41.57°N 88.17°W
4:11 am CDT Sep 2, 2025
7am CDT Sep 2, 2025-6pm CDT Sep 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database