Leaf River, IL Weather Forecast
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Leaf River Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY |
| Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 35°FLo: 2°C | Hi: 45°FHi: 7°C | Lo: 29°FLo: -2°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1220 AM CST Fri Nov 06 2026 

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Issued: 1126 PM CST Thu Nov 5 2026
Key Messages
- On and off lake effect showers will continue overnight and through Friday across eastern Porter County.
- Breezy and cool conditions are expected on Friday.
- Freezing temperatures likely for much of the area Friday night, and possible again Saturday night and Sunday night in some locations.
- Dry and warmer than average weather returns early next week.
Discussion
... Issued at 125 PM CST Thu Nov 5 2026
Recent GOES-19 water vapor imagery depicts an upper-level trough propagating southeastward...
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