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City of Auburn, ILAuburn, IL Weather Forecast
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| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Sunny | Partly Cloudy | Chance of T-Storm | Chance of Showers | Mostly Sunny | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C |
| POP: 30% | POP: 40% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 AM CDT Sat Sep 12 2026 
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Issued: 1202 PM CDT Sat Sep 12 2026
Key Messages
- A stalling cold front creates a sharp temperature split Sunday, with highs ranging from the upper 70s northwest of the Illinois River to near 90 south of I-70. Scattered showers (20-40% chance) will be near the front.
- Multiple rounds of thunderstorms track along a stalled front Tuesday and Wednesday, especially north of I-72. There will be a low risk for strong to severe storms and locally heavy rain.
- Periodic thunderstorm chances persist Thursday and Friday along the lingering front...