Forrest, IL Weather Forecast
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Forrest Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Isolated Showers | Isolated Showers | Isolated Showers | Partly Cloudy | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Sunny | Clear | Sunny | Clear | Sunny |
| Lo: 50°FLo: 10°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C | Lo: 31°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 31°FLo: -1°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C |
| POP: 20% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1220 AM CST Thu Nov 05 2026 

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Issued: 1146 PM CST Wed Nov 4 2026
Key Messages
- Times of rain continue through Friday, greatest chances occur later Thursday into Thursday night. Some drizzle and showers probable tonight.
- Occasionally breezy and cool conditions are expected through Friday.
- Freezing temperatures will be possible Friday and Saturday nights and Sunday night could have a small portion in far northwest IL.
Discussion
... Issued at 1140 AM CST Wed Nov 4 2026
A cutoff low pressure system continues lumbering northeastward and interacts with another vigorous...
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