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Village of Arthur, ILArthur, IL Weather Forecast
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| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Lo: 45°FLo: 7°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 30% | POP: 70% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 422 AM CDT Sat Oct 31 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 553 AM CDT Sat Oct 31 2026
Key Messages
- Scattered showers push north today, followed by intermittent rain chances through Monday with modest rainfall amounts.
- A strong, dynamic storm system midweek brings widespread heavy rainfall and gusty winds.
- Dry and seasonable conditions return for late next week following the cold frontal passage.
Discussion
... Issued at 354 AM CDT Sat Oct 31 2026
Near Term (Today through Sunday)
Morning radar imagery depicts a focused precipitation band continuing to lift north of the I-74 corridor as...