Weather WorldMexico, MO Weather Forecast
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Mexico Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY |
 |  |  |  |  | |  |  | |  | | |
| Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of Showers | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 20% | POP: 20% | POP: 90% | POP: 90% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 943 PM CDT Tue Sep 29 2026 
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Issued: 1004 PM CDT Tue Sep 29 2026
Key Messages
- Widespread rain is expected along a slow-moving cold front Wednesday night through Friday. A swath of 2-3 inches of rain is most likely across northern Missouri and west-central Illinois, with decreasing values further south and east.
- There are increased chances for river flooding by next week along the Missouri River, Mississippi River, and northeast Missouri tributaries due to heavy rain in and upstream of these basins.
- Temperatures stay abnormally warm through Thursday before a re...