Winthrop, IA Weather Forecast
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Winthrop Weather Forecast
| REST OF TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
| Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Clear | Mostly Clear | Mostly Clear |
| Hi: 50°FHi: 10°C | Lo: 45°FLo: 7°C | Hi: 49°FHi: 9°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Hi: 50°FHi: 10°C Lo: 29°FLo: -2°C | Hi: 50°FHi: 10°C Lo: 29°FLo: -2°C | Hi: 55°FHi: 13°C Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C Lo: 35°FLo: 2°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 40°FLo: 4°C |
| POP: 20% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1036 AM CST Wed Nov 04 2026 

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Issued: 1112 AM CST Wed Nov 4 2026
Key Messages
- Cyclonic flow under an upper trof will keep our area cool and mainly cloudy through Thursday, with periods of scattered light showers.
Aviation
/18Z TAFS THROUGH 18Z THURSDAY/... Issued at 1110 AM CST Wed Nov 4 2026
Widespread MVFR CIGS of 1-2kft AGL will persist through 00z/06. There will be areas of drizzle and IFR CIGS. After 15z/05 isolated to scattered SHRA will develop as an upper level disturbance begins moving into the area.
Watches / Warnings / Advisories
/WARNINGS/ADVISORIES... ...
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