The Tri-Cities will be under a red flag fire warning starting at 2 p.m. Wednesday because of dry, breezy conditions.
Any wildfire could spread quickly, according to the National Weather Service.
An upper level trough is approaching the Mid-Columbia, which will cause winds to increase through the day and humidity to decrease, according to the weather service.
A southwest wind of about 15 mph with gusts of 18 mph is forecast for the Tri-Cities Wednesday afternoon.
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Early Wednesday night gusts as high as 29 mph are forecast.
By early Thursday morning the red flag fire warning is expected to be lifted as winds degrease to 6 to 11 mph and humidity increases.