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Dean, IA Weather Forecast
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Dean Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | |
 |  |  | |  |  |  |  |  | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | |
| Lo: 65°FLo: 18°C | Lo: 59°FLo: 15°C | Hi: 60°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | ||
| POP: 80% | POP: 70% | POP: 80% | POP: 40% | POP: 20% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1017 PM CDT Sat Sep 19 2026 
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Issued: 1118 PM CDT Sat Sep 19 2026
Key Messages
- Scattered showers and storms this afternoon into evening, with more widespread rainfall over central and southern Iowa tonight into early Sunday morning. A few stronger storms could produce strong winds, hail and heavy rainfall.
- Cooler temperatures with light rain and drizzle persists on Sunday.
- Cool temperatures and moist weather persist into Monday, with drier conditions expected Tuesday and Wednesday.
Aviation
/06Z TAFS THROUGH 06Z MONDAY/... Issued at 1117 PM CDT Sat Sep 19 2026
Mai...