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Bundle up and drive carefully — it's going to be a cold weekend in Utah, and snow has made roadways slick and dangerous.

A crash in Iron County claimed one life Friday night. The driver of a northbound Toyota Tacoma slid off Interstate 15 just north of Cedar City, where the highway was slick because of the snowstorm, according to the Utah Highway Patrol. The Tacoma rolled, and the driver — who was not wearing a seat belt — was thrown from the truck, UHP reported.

He died at the scene. Troopers were waiting to identify the driver until they can notify his family.

Multiple crashes also closed all I-15 southbound lanes at the Davis County-Salt Lake County line Saturday morning and traffic was diverted to Interstate 215. The UHP tweeted at about 9:25 a.m. that southbound I-15 had been reopened at the I-215 north interchange.

But about 10 a.m., a semitruck hauling two tankers of crude oil hit a patch of slush in Provo Canyon and rolled, according to the UHP. The front tank ruptured, spilling most of its approximately 4,500 gallons of crude oil.

About 1,000 gallons potentially spilled into the river, but officials do not expect the oil will impact drinking water, according to the Utah Department of Emergency Management.

However, the Utah Division of Wildlife Resources is concerned about how the spill might affect river otters, birds, fish and other aquatic life; it will monitor the animals for the next few days. The division hopes to contain the spill before it flows downstream to Utah Lake.

Cleanup crews were on the scene, and the canyon remained closed until about 7 p.m., while crews worked out how to extract the crude oil, according to the Utah Department of Transportation.

As of Saturday evening, Salt Lake City International Airport, Taylorsville and Lehi received about an inch of snow each, North Ogden and Solitude Mountain Resort had 2 inches each; and Cedar City and Bryce Canyon had 3 each.

Light snow is possible again in northern Utah on Sunday, with a small amount of accumulation possible, the National Weather Service says.

Along the Wasatch Front, highs will stay close to 30 on Sunday, with a low that day near 20 in many locations and down to 5 degrees in the higher elevations, the weather service predicts.

In southern Utah, the highs in Kanab and Escalante are expected to reach the upper 30s on Sunday. Lows are predicted in the upper teens to low 20s.

St. George will have a high of 43 on Sunday and a low of 26, the weather service says.

A winter weather advisory was in effect until noon Saturday along the Wasatch Front and the weather service predicted snow accumulations of 1 to 2 inches.

For a more detailed forecasts, visit the Tribune's weather page at sltrib.com/weather.

— Michael McFall contributed to this story.

Twitter: PamelaMansonSLC