Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

Last Update: 148 AM PDT Fri Jul 31 2026

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Seattle, WA Local Forecast Office

30NM WSW TTI WA

Marine Zone Forecast

Today

SE wind 5 to 10 kt, veering to S late. Seas 4 to 5 ft. Wave detail: W 4 ft at 8 seconds and SW 3 ft at 15 seconds.

Tonight

SW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 5 ft. Wave detail: W 5 ft at 8 seconds and S 2 ft at 15 seconds. Rain likely after midnight.

Sat

W wind 10 to 15 kt. Seas around 5 ft. Wave detail: W 5 ft at 8 seconds and S 2 ft at 14 seconds. Rain likely, mainly in the morning.

Sat Night

W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 5 to 6 ft. Wave detail: W 5 ft at 7 seconds and S 2 ft at 14 seconds.

Sun

NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 6 ft. Wave detail: W 5 ft at 9 seconds and SW 2 ft at 14 seconds.

Sun Night

NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 6 ft. Wave detail: W 5 ft at 9 seconds and SW 2 ft at 14 seconds.

Mon

N wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: W 5 ft at 7 seconds and SW 2 ft at 14 seconds.

Mon Night

NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave detail: NW 5 ft at 7 seconds.