Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 251 AM EDT Sun Oct 03 2021 Valid 00Z Mon Oct 04 2021 - 00Z Mon Oct 11 2021 Models and ensembles agree that high pressure building to the north of the state will strengthen island trades from moderate/locally breezy to brisk levels by later week. The flow favors rain chances for windward areas across the islands under a mean upper trough/weakness in a pattern whose local shower enhancing pooled moisture and instability over the next few days will likely be reduced later week into next weekend. Schichtel