(NEW YORK) — Over 30 million remain under heat alerts from Arizona up through Washington State, where widespread highs in the triple digits are expected. Excessive Heat Warnings and Heat Advisories will still in effect through Sunday — and into next week for parts of the Pacific Northwest.
Hot, dry and windy conditions will also keep fire danger high, especially for crews working tirelessly to contain and control current wildfires across parts of California and the Pacific Northwest.
The potential for dry thunderstorms producing abundant lightning will increase over across portions of Oregon and Washington. This could spark new fires, increasing the risk even more. Red Flag Warnings remain in effect through Sunday evening.
The combination of the heat and smoke from wildfires will also bring poor air quality across portions of the Pacific Northwest as well. As a result, Air Quality Alerts remain in effect for parts of the region.
Intensifying heat out West
The heat dome over the West Coast will intensify and expand northward over the weekend, bringing temperatures back into record-setting territory for much of the region Saturday and Sunday.
Temperatures could reach record highs this weekend with Las Vegas, Nevada, potentially reaching 113 degrees; Needles, California, potentially reaching 118 degrees; and Mount Shasta, California, potentially reaching 100 degrees on Saturday.
On Sunday, places that could break record highs include Boise, Idaho, which could reach 107 degrees; Spokane, Washington, which could reach 108 degrees; Yakima, Washington, which could reach 105 degrees; Baker, Oregon, which could reach 102 degrees; and Las Vegas, Nevada, which could reach 113 degrees.
High heat and humidity will also impact parts of Central and South Florida Saturday and Sunday. Near Orlando, Sanford, Florida could see temperatures peak near record levels Saturday, with highs forecast to climb into the mid-90s.
Heat Advisories remain in effect through Sunday evening across South Florida, where heat index values up to 108 degrees are possible.
Heavy rainfall and flash flooding in the South
Weather conditions in the South will stay soggy and unsettled over the next stretch of days. A few severe storms could generate damaging winds, but heavy rainfall and the threat for flash flooding remain a bigger concern.
The stalled front responsible for rain and storms in the South will continue to bring locally heavy downpours to parts of the region in the days ahead.
Another 2 to 3 inches of rain is forecast through next week, from Texas to Virginia and the Carolinas, with higher amounts possible locally.
Flooding remains a bigger threat across portions of southeastern Virginia, where flood alerts remain in effect. After receiving as much as 4 to 6 inches across parts of the state, additional rainfall in the days ahead will only increase the potential for flooding, if not exacerbate any flooding that is already ongoing.
Meanwhile, shower and storm activity affecting the Central U.S. continues to keep temperatures near or below normal over the next few days and into next week.
Strong storms producing damaging winds, hail and locally heavy downpours could fire up across parts of the High Plains on Saturday afternoon and evening, too.
Flood alerts also remain in effect across portions of the southern Rockies in New Mexico, where additional rainfall from storms could lead to flooding through Saturday night.
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