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Chesterville, IL Weather Forecast
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Chesterville Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  |  |  | | | | | |  |
| Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C |
| POP: 40% | POP: 40% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 507 PM CDT Sat Sep 19 2026 
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Issued: 608 PM CDT Sat Sep 19 2026
Key Messages
- Overnight Rain & Thunderstorms: Showers and thunderstorms will build across northern Illinois tonight, mainly along and north of Interstate 80. Heavy rainfall over 1 inch carries a low chance (20% or less) across central Illinois, with rain tapering off by Sunday morning.
- Sunday Afternoon Storms: A few stronger thunderstorms may redevelop south of Interstate 72 late Sunday afternoon. Localized damaging winds and marginal hail will be the primary threats.
- Cooler & Mostly Dry Next Week...