Caution Christmas travelers, Winter Weather Advisory for I-15 snow

ST. GEORGE – A “Winter Weather Advisory” for snow has been issued by the National Weather Service for seven Southern Utah counties from 6 p.m. Thursday until 6 p.m. Friday. The advisory includes the cities of Cove Fort, Koosharem, Fish Lake, Loa, Panguitch and Bryce Canyon.

Dots show area affected by Winter Weather Advisory across southern and central Utah valleys, Southern Utah, Dec. 24, 2015, 9:46 a.m. | Image courtesy of the National Weather Service, St. George News | Click image to enlarge
Dots show area affected by Winter Weather Advisory across southern and central Utah valleys, Southern Utah, Dec. 24, 2015, 9:46 a.m. | Image courtesy of the National Weather Service, St. George News | Click image to enlarge

A Winter Weather Advisory has also been issued for the west-central and southwest valleys of Utah from midnight Thursday through 6 p.m. Friday, and will heavily impact the Interstate 15 corridor.

Affected area

The central and southern mountains and the west-central and southwest valleys of Utah.

Snow accumulations

The central and southern mountains of Utah are forecast to receive 7-14 inches of snow. The west-central and southwest valleys may receive 3-6 inches with the heaviest amounts along the I-15 corridor from the Interstate 70 junction south to near Cedar City.

Timing

Snow will develop Thursday afternoon and then turn heavy during the evening. Periods of heavy snow will continue Friday morning and then gradually taper off Friday afternoon.

Travel impacts

Accumulating snows beginning late Thursday will significantly impact travel through southwest and west-central Utah, especially through the I-15 corridor.

Periods of heavy snowfall will impact travel across the higher terrain of central and Southern Utah Thursday night through Friday. Those traveling during this time should be prepared for hazardous winter driving conditions and plan accordingly.

Travel weather highlights as of 3 a.m. Thursday, for the forecast period from noon Thursday through 10 a.m. Friday, posted by Utah Department of Transportation, Dec. 24, 2015 | Image courtesy of UDOT, St. George News | Click on image to enlarge
Travel weather highlights as of 3 a.m. Thursday, for the forecast period from noon Thursday through 10 a.m. Friday, posted by Utah Department of Transportation, Dec. 24, 2015 | Image courtesy of UDOT, St. George News | Click on image to enlarge

Utah Department of Transportation’s has also issued a road alert stating valley routes along the Wasatch Front southward to Nephi will be susceptible to road slush and light snow. Valley routes south of Nephi to Blackridge will see heavier road snow.

Periods of heavy road snow are possible along the entirety of I-70 and US-191, UDOT’s alert warns.

Concerns for blowing snow will remain over much of central and Southern Utah, especially higher summit routes, the alert states.

The following major roadways are identified by UDOT for road snow, slush and blowing snow during the forecast period:

  • I-15, entire route
  • I-70, entire route
  • I-80, Dell (milepost 70) to Wyoming state line
  • I-84, entire route
  • US-89, entire route
  • S-191, entire route
  • US-189, Provo Canyon
  • US-6, entire route
  • US-40, entire route

For more specific information on road and highway conditions from UDOT, visit its Road Weather Alert here.

Precautionary/preparedness actions

A winter weather advisory for snow means that snow accumulations will cause primarily travel difficulties. Be prepared for snow-covered roads. Use caution while driving.

Hazardous Weather Outlook

A Hazardous Weather Outlook remains in effect through Tuesday for the western two-thirds of Utah and southwest Wyoming, including Southwest Utah, Utah’s Dixie, Zion National Park, south central Utah, Glen Canyon Recreation Area and Lake Powell.

Email: news@stgnews.com

Twitter: @STGnews

Copyright St. George News, SaintGeorgeUtah.com LLC, 2015, all rights reserved.

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