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Warren, IL Weather Forecast
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Warren Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Chance of Showers | Chance of T-Storm | Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Showers Likely | Showers | Showers | Showers | Showers | Chance of Showers |
| Hi: 59°FHi: 15°C | Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C Lo: 51°FLo: 11°C | Lo: 49°FLo: 9°C |
| POP: 30% | POP: 70% | POP: 80% | POP: 70% | POP: 90% | POP: 90% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 436 AM CDT Fri Oct 30 2026 
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Meteorlogic Glosserator
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Issued: 608 AM CDT Fri Oct 30 2026
Key Messages
- Rain chances return today (peaking at 60-90% coverage tonight) and linger into Halloween morning. Isolated thunderstorms are possible today and tonight.
- An active weather pattern early next week will bring rain and breezy conditions to the region, including on Election Day.
Aviation
/12Z TAFS THROUGH 12Z SATURDAY/... Issued at 551 AM CDT Fri Oct 30 2026
An initial disturbance moving through the flow this morning is producing showers and isolated thunderstorms as it moves northeastward t...