Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 353 AM EST Wed Mar 09 2022 Valid 00Z Thu Mar 10 2022 - 00Z Thu Mar 17 2022 Surface high pressure building north of the region should keep the overall pattern across Hawaii fairly stable and dry over the next week with moderate to breezy trade winds (especially by the middle of next week). The exception may be some instability associated with a passing upper trough to the east, enhancing thunderstorm activity some over the Big Island through Thursday. Santorelli