Clarksburg, IL Weather Forecast
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Clarksburg Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 75°FHi: 24°C Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C Lo: 61°FLo: 16°C |
| POP: 40% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 737 PM CDT Fri Sep 25 2026 

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Issued: 644 PM CDT Fri Sep 25 2026
Key Messages
- Low-impact weather is forecast through early next week. Look for high temperatures in the upper 60s to mid 70s with occasional sprinkles or light rain showers.
- Notable rain chances return from Tuesday night into the following weekend. There is a 20-50% chance for rainfall to exceed 2 inches, which may lead to ponding of water on roadways as well as localized flooding.
Discussion
... Issued at 228 PM CDT Fri Sep 25 2026
Persistent radar echoes moving in from the west since early this mor...
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