Unsettled weather conditions, including possible thunderstorms and cooler temperatures, are forecast for the Tri-Cities later this week.
Tuesday skies will continue to be hazy from Pacific Northwest wildfires and smoky conditions could continue Wednesday, according to the National Weather Service.
The Mid-Columbia has been under high pressure for some time, but low pressure off the Oregon and Washington coast could move across the area later this week.
A 20 percent chance of thunderstorms is forecast for Wednesday night, with the chance of thunderstorms increasing Thursday and Thursday night.
Never miss a local story.
Temperatures should drop to just below 90 Thursday and then to the low 80s Friday.
A slight chance of thunderstorms will persist through Saturday night.