Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Overcast

76°F

24°C

Humidity 88%
Wind Speed N 12 mph
Barometer 30.18 in (1021.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 17 Sep 4:52 pm CDT
Extended Forecast for

2 Miles SSW Crystal Lake IL

  • This Afternoon

    This Afternoon: Patchy drizzle with a slight chance of showers.  Cloudy, with a steady temperature around 69. North northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 69 °F

    Patchy
    Drizzle

  • Tonight

    Tonight: Patchy drizzle with a slight chance of showers before 7pm.  Mostly cloudy, with a low around 61. Northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 4pm.  Partly sunny, with a high near 71. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 62. East wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 90%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 72. South wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 100%.

    High: 72 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Patchy drizzle with a slight chance of showers. Cloudy, with a steady temperature around 69. North northeast wind around 5 mph, with gusts as high as 10 mph.
Tonight
Patchy drizzle with a slight chance of showers before 7pm. Mostly cloudy, with a low around 61. Northeast wind around 5 mph, with gusts as high as 15 mph.
Friday
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 71. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 72. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 62.
Monday Night
A chance of showers. Mostly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Crystal Lake IL
 42.21°N 88.33°W
2:41 pm CDT Sep 17, 2026
5pm CDT Sep 17, 2026-6pm CDT Sep 24, 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