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Rensselaer, MO Weather Forecast
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| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  |  |  | |  |  | | |  | |
| Mostly Cloudy | Chance of Showers | Chance of Showers | Showers | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 65°FHi: 18°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Hi: 75°FHi: 24°C Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Hi: 75°FHi: 24°C Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C Lo: 65°FLo: 18°C |
| POP: 50% | POP: 20% | POP: 70% | POP: 50% | POP: 20% | POP: 50% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 157 AM CDT Fri Sep 25 2026 
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Issued: 155 AM CDT Fri Sep 25 2026
Key Messages
- Cloudy and cool weather will prevail through the weekend. Those who see rain will experience the coolest conditions.
- The greatest chance for rain (60-80%) this weekend will be in northeast MO and west-central IL early Saturday morning. The potential for widespread beneficial rainfall during the middle of next week is increasing.
Aviation
/06Z TAFS THROUGH 12Z SATURDAY/... Issued at 1222 AM CDT Fri Sep 25 2026
Low ceilings remain the most pressing concern during the 06Z TAF period. While...