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Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

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Last Map Update: Sun, Oct 11, 2026 at 11:12:52 am PDT

A front moving in will bring strengthening north to northeast winds today. Gusts of 20-30 mph are expected, locally 35-45 mph around the Upper Columbia Basin, peaking in the afternoon. Possible impacts of blowing dust, airborne objects, travel difficulty and choppy lakes.
Blowing dust is in the forecast for Sunday from morning to late afternoon. Visibility may drop quickly along I-90 and other major travel routes across central Washington.
A cold system will bring lowering snow levels and an accompanying chance for light snow around the mountains Sunday. Accumulations will be generally light , but some higher mountains could see up to 3 inches. Some mountain passes such as Washington, Sherman and Lookout Pass could see some light snow, but accumulations should be less than 1", in most cases less than 0.5". Additionally cold temperatures are forecast with lows in the 20s to low 30s.

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