Pratt Lake, IL Weather Forecast
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Pratt Lake Weather Forecast
| REST OF TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Partly Cloudy | Sunny | Mostly Clear | Sunny | Chance of T-Storm | Showers | Chance of Showers | Chance of T-Storm | Chance of Showers | Partly Sunny | Clearing | Sunny |
| Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C |
| POP: 70% | POP: 70% | POP: 50% | POP: 80% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1037 PM CDT Sun Oct 11 2026 

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Issued: 600 PM CDT Sun Oct 11 2026
Key Messages
- Near record heat along with dry weather will prevail Monday and Tuesday with afternoon temperatures reaching upper 80s to lower 90s.
- An active stretch of weather is expected Tuesday night through late Thursday with daily chances for showers and storms. There is currently a marginal risk for severe weather near the lower Illinois River Valley Thursday night.
- Cooler air arrives Friday into the weekend with highs dropping into the 50s and 60s with a potential for frost Friday and Saturd...
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