Flat Lake, IA Weather Forecast
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Flat Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny |
| Hi: 51°FHi: 11°C | Lo: 45°FLo: 7°C | Hi: 51°FHi: 11°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Hi: 51°FHi: 11°C Lo: 30°FLo: -1°C | Hi: 51°FHi: 11°C Lo: 30°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C |
| POP: 20% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1226 PM 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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