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Brooklyn, IA Weather Forecast
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Brooklyn Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  | |  |  | | | | | |  |
| Mostly Sunny | Partly Cloudy | Chance of Showers | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C |
| POP: 50% | POP: 70% | POP: 90% | POP: 90% | POP: 90% | POP: 90% | POP: 80% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 128 PM CDT Sat Sep 12 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 257 PM CDT Sat Sep 12 2026
Key Messages
- Scattered to widespread shower and storm chances increasing early Sunday. Locally heavy rainfall amounts may lead to ponding water or minor flash flooding.
- Heavy rain and thunderstorms possible Monday. Some may be severe, especially in the afternoon. Heavy rainfall and training storms may result in flash flooding.
- Heavy rain and storm chances persist through at least mid- week. River flooding and flash flooding is possible.
Aviation
/18Z TAFS THROUGH 18Z SUNDAY/... Issued at 1219 PM CD...