SALT LAKE CITY — The Latest on high winds moving through Utah (all times local):

1:15 p.m.

More than 10,000 homes and businesses from Salt Lake City to Ogden have lost power amid high winds and falling temperatures.

Rocky Mountain Power spokesman Dave Eskelsen said Monday that crews are working to restore power to northern Utah customers as winds gusted at about 30 mph in the Salt Lake area.

Winds speeds were higher in the western part of the state, where at least four semis toppled in accidents that closed parts of Interstate 80 on Monday morning.

The winds came with a cold front that had temperatures dropping as low as the high 40s, down from record highs last week.

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11:35 a.m.

Utah authorities say fierce winds gusting up to 70 mph are toppling semitrailer trucks near the Nevada border and bringing a big drop in temperatures.

The Utah Department of Transportation said Interstate 80 is down to one lane in each direction in the west desert after multiple crashes Monday.

Firefighters in North Tooele say four semitrailers have toppled. Troopers are turning back high-profile vehicles like semis and RVs on a stretch of highway starting about 70 miles from the Nevada border.

The National Weather Service says the highest winds are in the west desert, but 30-mph gusts are also being reported in the Salt Lake City area as an unusual cold front drops temperatures to the upper 40s.

The cooldown comes after northern Utah saw near-record heat last week.

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