Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 734 AM EDT Thu Jul 16 2015 Valid 00Z Fri Jul 17 2015 - 00Z Fri Jul 24 2015 The models continue to indicate that Hawai'i will remain vulnerable to disturbances in the trades for at least the next week, with shifting winds and the chance of showers throughout the islands. Five-day QPF through 00Z/22 Wednesday from the most recent operational ECMWF and GFS is generally a quarter- to a half-inch, with a few inches of rainfall in the mountainous areas, particularly around Mauna Loa. Cisco