Iroquois Lake, IL Weather Forecast
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Iroquois Lake Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Cloudy | Clearing | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1026 AM CDT Fri Aug 28 2026 

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Issued: 609 AM CDT Fri Aug 28 2026
Key Messages
- Periodic shower/storm chances over the weekend and into early next week
- Heat and humidity is expected to increase next week
Discussion
... Issued at 121 AM CDT Fri Aug 28 2026
Winds have gone calm over much of the forecast area this morning. Clearer skies west of the Fox Valley have helped drop dew point depressions down to between 2 to 4 degrees (at the time this discussion was published), whereas lingering clouds above 5,000 feet have kept much of the Chicago Metro area drier. Reduced...
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