Ancona, IL Weather Forecast
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Ancona Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Patchy Fog | Chance of Showers | Clearing | Sunny | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Partly Cloudy | Chance of T-Storm | Mostly Cloudy |
| Lo: 69°FLo: 21°C | Hi: 80°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C |
| POP: 50% | POP: 20% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 756 PM CDT Wed Sep 09 2026 

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Issued: 825 PM CDT Wed Sep 9 2026
Key Messages
- A few showers may graze the US-24 corridor tonight and tomorrow morning.
- Dry weather with seasonable temperatures expected to end the work week.
Discussion
... Issued at 101 PM CDT Wed Sep 9 2026
Showers continue to taper in coverage across the area this afternoon in the wake of expansive composite outflow racing southward toward southern Illinois and Missouri. Gradual clearing of clouds has commenced allowing for temperatures to finally begin rising this afternoon. The expectation rema...
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