Cimic, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Cimic Weather Forecast
| REST OF TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
| Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 737 AM CDT Wed Oct 21 2026 

Cimic Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Cimic Weather Map
Cimic Quick Facts
Cimic Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 608 AM CDT Wed Oct 21 2026
Key Messages
- Dry conditions and tranquil weather to prevail across central and southeast Illinois through Monday.
- Above normal temperatures will dominate the region today through Monday, with afternoon highs climbing into the 70s.
Discussion
... Issued at 300 AM CDT Wed Oct 21 2026
The nice fall weather looks to continue through Monday across central and southeast IL, favorable weather for harvesting and outdoor activities.
The 08Z/3 am surface map shows 1032 mb high pressure over the southern Quebec...
Weather World