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Wilson, IL Weather Forecast
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Wilson Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C |
| POP: 50% | POP: 50% | POP: 50% | POP: 70% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 958 PM CDT Sat Sep 19 2026 
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Issued: 1222 AM CDT Sun Sep 20 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...