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Simpson College, IA Weather Forecast
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Simpson College Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 | | | |  |  |  |  | |  | | |
| Chance of Showers | Showers | Chance of Showers | Showers | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Partly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 61°FLo: 16°C | Hi: 61°FHi: 16°C | Lo: 60°FLo: 16°C | Hi: 61°FHi: 16°C | Lo: 60°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 70°FHi: 21°C | Lo: 61°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 61°FLo: 16°C | Hi: 61°FHi: 16°C |
| POP: 70% | POP: 90% | POP: 70% | POP: 100% | POP: 70% | POP: 20% | POP: 40% | POP: 80% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 603 PM CDT Thu Sep 24 2026 
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Issued: 650 PM CDT Thu Sep 24 2026
Key Messages
- Periods or rain with a few embedded thunderstorms through early Sunday. Total rainfall amounts of 1 to 2 inches are possible over parts of central and southwest Iowa.
- Another strong storm system expected Tuesday and Tuesday night. Thunderstorms with heavy rainfall are possible.
- Highs generally in the 60s and low 70s.
Aviation
/00Z TAFS THROUGH 00Z SATURDAY/... Issued at 650 PM CDT Thu Sep 24 2026
Light rain continues to slowly spread across the state this evening, with most terminals se...