Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 251 AM EDT Wed Sep 06 2023 Valid 00Z Thu Sep 07 2023 - 00Z Thu Sep 14 2023 A favored composite of reasonably compatible model and ensemble guidance indicates that below normal moisture should overall limit shower activity for much of the state, but deeper tropical moisture is expected to skirt the southern islands today into Thursday that could to fuel a few localized downpours over the Big Island. Weakened trades may slowly return to moderate levels this weekend into early next week and allow a modest uptick of windward shower activity. Schichtel