183
FXHW01 KWNH 300832
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
432 AM EDT SAT MAY 30 2026
VALID 00Z SUN 31 MAY 2026 - 00Z SUN 07 JUN 2026
UPPER LOW OVER THE NORTHEASTERN PACIFIC DOWNSTREAM OF RIDGING
ALONG THE DATELINE WILL FAVOR NEAR NORMAL HEIGHTS ACROSS THE 50TH
STATE. TRADES WILL SUBSIDE ON SUNDAY AS THE PRESSURE GRADIENT
RELAXES BUT THEN PICK UP AGAIN TUESDAY AFTERNOON THROUGH THE REST
OF THE WEEK AS A 1035MB HIGH DEVELOPS TO THE NORTHEAST OF THE
REGION. DEEP MOISTURE WILL REMAIN SOUTH OF THE AREA NEXT WEEK
THOUGH PRECIPITABLE WATER VALUES WILL INCREASE FROM THE SOUTHEAST
EARLY NEXT WEEK AS AN UPPER JET STREAK MOVES THROUGH. THIS MAY
PROMOTE MORE FOCUSED RAIN OVER AT LEAST THE BIG ISLAND MONDAY-
TUESDAY (POTENTIALLY INTO MAUI AND MOLOKAI/LANAI) BEFORE IT EXITS
THE REGION WEDNESDAY. THEREAFTER, WINDWARD/MAUKA SHOWERS ARE
LIKELY FOR THE REST OF THE WEEK WITH SOME LEEWARD SPILLAGE AMID
BREEZY TRADES.
FRACASSO
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