SACRAMENTO, Calif. — The next six days are expected to bring triple digit and near triple digit heat to the Valley and portions of the lower Foothills.
A strong, high pressure system will push the jet stream into the Gulf of Alaska Tuesday, resulting in temperatures rising across the western U.S. with excessive heat warnings and heat advisories in place from California’s coastal range into the Pacific Northwest for much of the week.
For the Sacramento and San Joaquin Valleys, 100 degree temperatures are expected through Saturday. The Foothills will remain hot, as well, from the mid to upper 90s. The heat will cause winds to slow, leading to a lack in pollution dispersion.
Smoky and hazy skies will remain for the Foothills and high Sierra with some limited movement. Those closest to the Dixie Fire are facing “very unhealthy” air quality until most of the fire has been extinguished or some of the heat is lifted, allowing for a flow of winds to move through.
Photos: Excessive Heat Watch through Sunday, Aug. 15
Firefighters at the Dixie Fire are dealing with very dry conditions with limited humidity recovery overnight. The smoke and lack of even lighter winds will keep visibility low for firefighters. While temperatures will be hot this week, enough cloud coverage formed by smoke will limit how much of the heat infiltrates the area. Some zones of the fire will have mild temperatures helping firefighters on the containment lines.
Thunderstorm chances may arrive between Wednesday and Thursday for South Lake Tahoe into Yosemite. This may bring bursts of erratic winds for those areas, and the possibility for dry lightning strikes.
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