Pacific Northwest heat wave may have killed hundreds, officials say

Hundreds of deaths in Canada, Oregon and Washington may have been caused by the historic heat wave that baked the Pacific Northwest and shattered all-time temperature records in usually temperate cities.

FOX 5 weather forecast at 10
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Your FOX 5 weather forecast at 10 with Chief Meteorologist Sue Palka.

FOX 5 weather at 6pm
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FOX 5 presents the 6 p.m. weather forecast.

FOX 5 weather at 6pm
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FOX 5 presents the 6 p.m. weather forecast.

FOX 5 weather at 6pm
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FOX 5 presents the 6 p.m. weather forecast.

Hot and humid Monday as heat wave returns; heat index values from 100 to 110 degrees

It’s the beginning of a hot and humid as extreme temperatures return to the D.C. region. Temperatures in the low-90s Monday with heat index values that make it feel like between 100 and 110 degrees.