Expanding Heat Wave; Locally Heavy Rain Shifts to Northeast

Oppressive temperatures and dangerous heat indices continue across the southern Plains and Lower Mississippi Valley, especially in Texas. The Excessive Heat expands to the Southwest, California and parts of Oregon starting Monday. Meanwhile, unsettled weather will persist over the East, as locally heavy to excessive rainfall shifts from the Mid-Atlantic to the Northeast.

Last Update: 329 PM AKDT Sat Jul 21 2018

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Anchorage, AK Local Forecast Office

193NM SSW Saint Matthew Island AK

Marine Zone Forecast

Synopsis: A 1004 mb North Kamchatka low with its front arches across the Eastern Bering and dissipates Sun afternoon. A 1011 mb low at 52N 171W moves to 56N 157W at 1008 mb Mon afternoon. Its front pushes into the Gulf of Alaska through Mon afternoon. A new front slips over the Western Aleutians and Bering for Mon afternoon.

S wind 10 kt. Seas 5 ft. isolated thunderstorms.
S wind up to 10 kt becoming NE in the afternoon. Seas 4 ft.
Sun Night
N wind 10 kt. Seas 3 ft. Patchy fog.
N wind 15 kt. Seas 3 ft.
Mon Night
N wind up to 15 kt. Seas 3 ft.
NW wind up to 15 kt. Seas 3 ft.
Wed Through Thu
SW wind up to 15 kt. Seas 4 ft.
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Last Update: 329 PM AKDT Sat Jul 21 2018
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