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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 >

Despite mild fall temperatures, the overall pattern is expected to trend cooler through the winter. The early portion of winter may not be as harsh as the latter half, when the probabilities for cooler than normal temperatures increases.

Chances depict that wetter than normal conditions could pan out over Lower Michigan. The result of cooler than normal temperatures and above normal precipitation may lead to snowfall amounts that also end up above normal.