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: 217 PM PDT Thu Jul 30 2026

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Seattle, WA Local Forecast Office

21NM SSW Forks WA

Marine Zone Forecast

Tonight

SW wind around 5 kt early this evening, becoming light and variable, then becoming SE around 5 kt after midnight. Seas 3 to 4 ft. Wave detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds.

Fri

SE wind around 5 kt, veering to SW around 5 kt in the afternoon. Seas around 4 ft. Wave detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds.

Fri Night

W wind around 5 kt, backing to S after midnight. Seas 3 to 4 ft. Wave detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds. Rain likely after midnight.

Sat

SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 8 seconds and SW 2 ft at 14 seconds. Rain, mainly in the morning.

Sat Night

SW wind 5 to 10 kt, becoming W after midnight. Seas around 4 ft. Wave detail: W 4 ft at 7 seconds. A chance of rain in the evening.

Sun

N wind around 5 kt, backing to NW 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave detail: W 5 ft at 8 seconds.

Sun Night

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 4 ft at 5 seconds and W 5 ft at 8 seconds.

Mon

N wind 5 to 10 kt, backing to NW in the afternoon. Seas 3 to 5 ft. Wave detail: NW 4 ft at 7 seconds.

Mon Night

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 6 seconds.