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City of Belvidere, ILBelvidere, IL Weather Forecast
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Belvidere Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  | |  | | |  | | |
| Mostly Clear | Partly Cloudy | Mostly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain | Clearing | Partly Cloudy | Partly Cloudy | Sunny | Clear | Partly Cloudy |
| Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 41°FHi: 5°C | Lo: 29°FLo: -2°C | Hi: 41°FHi: 5°C | Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C |
| POP: 40% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 725 PM CST Mon Nov 09 2026 
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Issued: 1106 PM CST Mon Nov 9 2026
Key Messages
- Dry conditions and warmer temperatures continue through Tuesday.
- Precipitation chances and cooler temperatures return mid to late week, including periods of lake effect showers.
Discussion
... Issued at 251 PM CST Mon Nov 9 2026
A weak cold front moving through tonight will shift winds to the northwest on Tuesday. Despite the frontal passage, minimal low- level air mass contrast will keep temperatures mild, with highs similar to today, ranging from around 60 degrees north of I-80 to the...