Mill Reservoir, HI Weather Forecast
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Mill Reservoir Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Isolated Showers | Isolated Showers | Isolated Showers | Isolated Showers | Chance of Showers | Isolated Showers | Chance of Showers | Isolated Showers | Chance of Showers | Isolated Showers | Chance of Showers | Isolated Showers |
| Lo: 58°FLo: 14°C | Hi: 82°FHi: 28°C | Lo: 58°FLo: 14°C | Hi: 75°FHi: 24°C | Lo: 68°FLo: 20°C | Hi: 76°FHi: 24°C | Lo: 68°FLo: 20°C | Hi: 75°FHi: 24°C | Lo: 67°FLo: 19°C | Hi: 75°FHi: 24°C | Lo: 68°FLo: 20°C | Hi: 75°FHi: 24°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 30% | POP: 40% | POP: 50% | POP: 40% | POP: 40% | POP: 20% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 PM HST Tue Oct 13 2026 

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Issued: 337 PM HST Tue Oct 13 2026
Discussion
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Limited clouds and showers can be seen mainly along windward and mauka areas, except for the Big Island where light to moderate showers are developing along the kona slopes. Starting tonight, upper level trough will have moved east of the state, while mid level ridging continues to limit clouds and showers to windward and mauka locations, especially overnight and early morning Wednesday. Rainfall totals are expected to be less than what was observed overnight Monday into Tuesday mor...
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