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Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

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Last Map Update: Mon, Jan 20, 2025 at 7:58:13 pm PST

Dense and freezing fog are likely to develop in valleys of Douglas, Jackson, and Josephine counties during the overnight and morning periods through at least Tuesday. Low visibilities down to less than a quarter of a mile are expected, and frost may develop on paved surfaces. Take caution. Turn on your low beam lights, drive slowly, and keep your distance from other vehicles. Consider delaying travel until conditions improve. Learn more about these conditions by visiting at weather.gov/safety/fog
High pressure will be over the area through at least Tuesday with strong valley inversions. Light winds and limited vertical mixing beneath the inversions will maintain stagnant air in the lower elevations away from the immediate coast. A weak system mid-week may briefly bring improved conditions.

 

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