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Glass Lake, IL Weather Forecast
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Glass Lake Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY |
 |  | | | | | | |  |  | |
| Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Hi: 91°FHi: 33°C Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C Lo: 75°FLo: 24°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 911 AM CDT Tue Sep 01 2026 
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Issued: 617 AM CDT Tue Sep 1 2026
Key Messages
- Heat and humidity now looks to impact the area through the work week. The Heat Advisory has been expanded north and east slightly. If another extension in time to the headlines is needed, then we would be into the longevity aspect of the heat which may require an upgrade for parts of the area.
- The Storm Prediction Center has a Marginal, level 1 out of 5, Risk for severe storms in the Highway 20 corridor for this afternoon and tonight. Damaging winds are the primary risk with hail a s...