Mount Zion, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Mount Zion Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Showers | Showers | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Lo: 50°FLo: 10°C | 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: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 40% | POP: 80% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 142 AM CDT Sat Oct 31 2026 

Mount Zion Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Mount Zion Weather Map
Mount Zion Quick Facts
Mount Zion Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1221 AM CDT Sat Oct 31 2026
Key Messages
- Light to moderate showers will track across central Illinois through Sunday, bringing beneficial rainfall with little to no flooding impacts. Chances of exceeding an inch over the weekend is under 10% areawide.
- Daily rain chances and mild temps with highs in the upper 60s and 70s continue into the first half of next week, with a 60% chance for rainfall to exceed one inch west of I-57 by Wednesday night.
- A cold front will pass through the region Wednesday night into Thursday, bringing...
Weather World