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De Soto, IL Weather Forecast
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De Soto Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  | | |  | | | | | |
| Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Clear | Clear | Mostly Clear | Mostly Clear | Sunny |
| Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C |
| POP: 100% |
POP = Probability of Precipitation.
Weather Outlook Updated: 342 AM CDT Fri Oct 02 2026 
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Issued: 645 AM CDT Fri Oct 2 2026
Key Messages
- A cold front continues moving across the Quad State today bringing widespread showers and a few daytime rumbles of thunder.
- Temperatures become more seasonably normal today through the week ahead, with dry weather expected for the weekend and next week.
Discussion
... Issued at 216 AM CDT Fri Oct 2 2026
Upper low pressure remains in the Central Plains with a trough stretching down into New Mexico. This low and trough are on a weakening trend and will be folded into the synoptic flow acr...