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Marengo, IA Weather Forecast
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Marengo Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  | | |  | | | | | |
| Chance of Showers | Chance of Showers | Partly Cloudy | Partly Sunny | Partly Cloudy | Showers Likely | Showers | Showers | Showers | Showers | Chance of Showers | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 61°FLo: 16°C | Hi: 70°FHi: 21°C | Hi: 70°FHi: 21°C Lo: 61°FLo: 16°C | Hi: 70°FHi: 21°C Lo: 61°FLo: 16°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 40% | POP: 60% | POP: 80% | POP: 70% | POP: 70% | POP: 70% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 726 PM CDT Sat Sep 26 2026 
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Issued: 647 PM CDT Sat Sep 26 2026
Key Messages
- Occasional light rain is possible in areas along and west of the Mississippi River through early Sunday morning, with mostly dry conditions moving in later Sunday into Monday.
- Another active weather pattern will set up in the middle of the upcoming work week, bringing the potential for rounds of heavy rainfall and thunderstorms to the area.
- Temperatures will remain near to slightly above seasonal norms through the next week.
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/00Z TAFS THROUGH 00Z SUNDAY/... Issued at 647 PM CD...