Fog that formed at daybreak this morning and created a traffic hazard across the region had lifted by afternoon, letting sun and high clouds warm lower elevations into the 50s.
Forecasters said fog will be a recurring possibility each morning this week. A series of potential rain storms is predicted for Wednesday evening, Friday and Sunday as an active storm track continues to bring moisture on shore from the Pacific Ocean.
Visibilities down to a quarter mile were reported along the Interstate 90 corridor early today. The fog had spread to low-lying areas throughout Northeast Washington and North Idaho, the weather service said.
High humidity combined with cooling air in the predawn hours triggered the fog just as daybreak arrived. The heaviest fog occurred in lower-lying areas of downtown Spokane and Spokane Valley.
Forecasters were calling for a mix of clouds and sun today with highs in the upper 50s. Rain or showers are possible in southeastern Washington and the central Idaho Panhandle tonight.
Light north winds are forecasted today. Lows tonight should reach the lower 40s.
The Inland Northwest is under the influence of a weak high pressure area today and Tuesday. Pacific storm energy was expected to move south of the region today, bringing North Idaho and Northeast Washington a mix of clouds.
At 7 a.m., temperatures were 39 at Spokane International Airport, 43 at Coeur d’Alene, 32 at Sandpoint, 36 in Deer Park and 41 in Pullman.
Rainfall this month at Spokane International Airport is 0.81 inches.
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