A large ridge of high pressure extending from the Central to Eastern U.S. will deliver a dangerous summer heat wave through the weekend. Widespread excessive heat warnings and heat advisories already cover the Eastern two-thirds of the country. A number of record highs and overnight warm minimum temperatures are likely. Heat indices will surge past 100 degrees and approach the 110s. Heat Safety! Read More >
The forecast for Hawaii covers 6,423 square miles of land and adjacent coastal waters.
Forecast Area Map
The latest surface analysis.
See more charts at Analyses/Forecast:
Click the image for the full North Pacific Chart as part of the Unified Surface Analaysis
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