Extreme weather to impact weekend plans around the PNW

PORTLAND, Ore. (KOIN) -- Heat, haze and the chance for lightning starting and spreading new fires has prompted a KOIN 6 Weather Alert this weekend.

Summer temperatures return to the mid to upper 90s Saturday as skies become increasingly more hazy. Wildfire smoke from fires already burning around the state will move into the Willamette Valley. Decrease air quality might prevent sensitive groups from spending a prolonged amount of time outdoors.

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