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Expect hazy sun and warmer weather this weekend — and a storm Monday night

The storm may be enough to clear out the inversion.

(Francisco Kjolseth | The Salt Lake Tribune) Pollution builds in the Salt Lake Valley on Monday, Nov. 29, 2021.

It’s going to be dry, warm and hazy in northern Utah through the weekend — but there’s a change coming next week.

A winter storm that could be strong enough to clear out valley inversions is headed into the state on Monday night, according to the National Weather Service. It will drop temperatures, drop some snow in the mountains and drop some rain in the valleys. The forecast calls for the storm to continue into Tuesday — there could be some snow at lower elevations, but not much in the way of accumulation is expected.

(National Weather Service) An inversion will continue through the weekend, but a storm is expected in northern Utah on Monday night.

In the meantime, the haze will continue in the valleys. It’ll be mostly sunny — through the haze — through Sunday, before clouds build up Sunday night and Monday.

Yellow/moderate air conditions are expected in Salt Lake, Utah, Davis, Cache, Tooele and Weber/Box Elder counties, according to the Utah Department of Environmental Quality. Temperatures will be 5-15 degrees above normal in the valleys and about 20 degrees above normal in the mountains.

In Salt Lake City, highs in the mid-50s are expected Saturday, dropping to the mid-40s Sunday and Monday and the upper 30s/low 40s on Tuesday. Overnight lows will fall from the mid-30s on Friday and Saturday to about 30 on Sunday and Monday and the mid-20s on Tuesday.

There’s a 50% chance of precipitation on Monday — snow before 2 p.m., then changing to a rain-snow mix. If there’s any snow accumulation, it’s expected to be less than half an inch.

Looking ahead, there’s a chance of more rain and snow on Tuesday, Wednesday and Thursday.

In southern Utah, there’s not much but sun and warmer-than-average temperatures in the forecast. In St. George, it’ll be in the mid-60s through Monday, dropping to the mid-50s Tuesday through Thursday, with overnight lows in the 30s — above freezing. There’s a chance of rain Monday night, and a slight chance of more rain on Thursday.

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