Sidell, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Sidell Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Partly Cloudy | Chance of Showers | Clearing | Mostly Sunny | Mostly Cloudy | Chance of Showers | Mostly Cloudy | Chance of Showers | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C |
| POP: 20% | POP: 40% | POP: 40% | POP: 30% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1142 PM CDT Wed Oct 28 2026 

Sidell Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Sidell Weather Map
Sidell Quick Facts
Sidell Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1210 AM CDT Thu Oct 29 2026
Key Messages
- There are no signs over the next week of the warmer weather pattern breaking down, with high temperatures 10 to 20 degrees above normal. There is a 30 to 40 percent chance of high temperatures reaching 80 degrees on Thursday near and south of I-70.
- While some sprinkles or very light showers will be possible on Thursday north of I-72, any significant rain chances are likely to hold off until early next week. Best chances of seeing more than an inch of rain will be near and west of I-5...
Weather World