Road Weather Alerts

UTAH DEPARTMENT OF TRANSPORTATION

TRAFFIC OPERATIONS CENTER

 Road Weather Alert


Updated: Friday, April 24, 2015

Road Weather Highlights for Road Snow & Slush


Text Updated: Friday, April 24, 2015 at 4:00 P.M.
Forecast for: 8 P.M. Friday through 12 P.M. Sunday

For Northern Utah:
A series of disturbances will bring widespread valley rain showers/mountain snow showers across most of state beginning Friday afternoon and lasting through Sunday morning. Mountain routes will see rain showers to start before transitioning to snow by Friday afternoon, while valley routes will see all rain showers/wet roads throughout the forecast period. The best chance for mountain road snow/slush accumulation will be after dark on Friday and Saturday evenings, while trending mostly wet during afternoon hours. The following routes will be impacted:

·         I-80; Parley’s Canyon/Summit to WY border
·         I-84; NW of Tremonton
·         US-89; Sardine Canyon, Logan Summit
·         US-40; Duchesne through Daniel’s Canyon; Mayflower Summit
·         US-6; Thistle to Helper, Soldier Summit

For Central/Southern Utah:
A series of disturbances will bring widespread valley rain showers/mountain snow showers across most of state beginning Friday afternoon and lasting through Sunday morning. Mountain routes will see rain showers to start before transitioning to snow by Friday afternoon, with the best chance for mountain road snow/slush accumulation occurring after dark on Friday and Saturday evenings. Most valley routes will see all rain showers/wet roads through the forecast period; however, brief slush ups will be possible under heavy showers during the overnight hours. The following routes will be impacted:

·         I-15; Cove Fort, Scipio and Pine Creek Summits
·         I-70; Cove Fort, Ivie Creek and Clear Creek Summits
·         US-89; Sevier to Long Valley Junction
·         US-191; Monticello and Blanding, Indian Canyon Summit

See the travel weather highlights graphic below, which is valid 8 P.M. Friday through 12 P.M. Sunday. Please monitor this page and other weather information sources for updates as the storm progresses.


Briefing 2015_04_24_1600 Road Snow.png

Route-Specific Forecast for Road Snow & Slush


Text Updated: Friday April 24, 2015 at 4:00 P.M.
Forecast for: 8 P.M. Friday through 12 P.M. Sunday

For Northern Utah

For the Salt Lake, Utah, and Cache Valleys:
Rain showers continue to increase this afternoon across the valleys, keeping routes wet through the evening. A brief lull in precipitation will set in after midnight, with showers becoming spottier in nature through early Saturday morning. Widespread showers will then be on the increase again after noon on Saturday, and continue through the evening into Sunday morning, before slowly focusing towards the mountains by Sunday afternoon. Wet valley roads will continue to be the main concern under this activity.

For I-80:
1.) Lower Parley’s Canyon through Parley’s Summit will run mostly wet through the period, except under a heavier snow shower late Friday night when brief light slush may be possible. The best chance for light road snow/slush will be between 8 P.M. Saturday and 9 A.M. Sunday. Otherwise, watch for patchy ice, especially over bridges, during the overnight hours.
2.) Jeremy Ranch to Wahsatch Hill will run mostly wet through the period, except under a heavier snow shower. The best chance for road snow/slush will be between 8 P.M. Saturday and 9 A.M. Sunday. Otherwise, watch for patchy ice, especially over bridges, during the overnight hours.

For I-84:
1.) NW of Tremonton, particularly over Chaulk Hill and Whites Valley, will see the threat for road slush between 8 P.M. Friday and 9 A.M. Saturday, and again Saturday evening. Roads may turn mostly wet during the afternoon, except under a heavier snow shower. Motorists should also watch for patchy ice across any wet roads after dark.

For US-89:
1.) Periods of road slush and light road snow will impact US-89, through upper Logan Canyon and over Logan Summit, after 8 P.M. Friday into Saturday morning. Roads may turn mostly wet during the afternoon, except under a heavier shower. Another chance for road slush after 6 P.M. Saturday into Sunday morning. Motorists should also watch for patchy ice across any wet roads after dark.
2.) US-89 through Sardine Summit will run mostly wet through the period, except under a heavier snow shower late Friday night when brief light slush may be possible. The best chance for light road snow/slush will be between 8 P.M. Saturday and 9 A.M. Sunday. Otherwise, watch for patchy ice, especially over bridges, during the overnight hours.

For US-6:
1.) Over Soldier Summit will see the threat for road slush between 8 P.M. Friday and 9 A.M. Saturday, and again Saturday evening. Roads may turn mostly wet during the afternoon, except under a heavier snow shower. Motorists should also watch for patchy ice across any wet roads after dark.
2.) For US-6 through Eureka, roads will trend wet during the afternoon hours. The best chance for road snow/slush will be between 8 P.M. Saturday and 9 A.M. Sunday.

For US-40:
1.) Daniels Canyon through Duchesne (south of Heber City) will see the threat for road slush between 8 P.M. Friday and 9 A.M. Saturday, and again Saturday evening. Roads may turn mostly wet during the afternoon, except under a heavier snow shower. Motorists should also watch for patchy ice across any wet roads after dark.

For SR-150:
1.) Kamas through Bald Mountain Pass will see areas of light road snow and blowing snow through the forecast period. Portions of SR-150 near Kamas may trend mostly wet Saturday afternoon, except under a heavier snow shower.

For US-191:
1.) US-191 through Indian Canyon Summit (between Duchesne and Helper) will see the threat for road slush between 8 P.M. Friday and 9 A.M. Saturday, and again Saturday evening. Roads may turn mostly wet during the afternoon, except under a heavier snow shower. Motorists should also watch for patchy ice across any wet roads after dark.
2.) US-191 north of Vernal, (through Greendale Junction) will see the threat for road slush between 8 P.M. Friday and 10 A.M. Saturday, and again Saturday evening. Roads may turn mostly wet during the afternoon, except under a heavier snow shower. Motorists should also watch for patchy ice across any wet roads after dark.

For SR-44:
1.) SR-44, from Greendale Junction to Manila, will see the threat for road slush between 8 P.M. Friday and 10 A.M. Saturday, and again Saturday evening. Roads may turn mostly wet during the afternoon, except under a heavier snow shower. Motorists should also watch for patchy ice across any wet roads after dark.

For SR-190 & SR-210, Big and Little Cottonwood Canyon:
1.) Big and Little Cottonwood Canyons will see the threat for road slush between 8 P.M. Friday and 10 A.M. Saturday, and again Saturday evening, especially towards the resorts. Roads may turn mostly wet during the afternoon, except under a heavier snow shower. Motorists should also watch for patchy ice across any wet roads after dark.

For SR-32 & SR-35:
1.) For SR-32 (from Wanship through Francis), and SR-35 (through Wolf Creek Pass) will run mostly wet through the period. The best chance for road slush and light road snow will occur after dark; between 8 P.M. Friday and 9 A.M. Saturday, and again Saturday evening into Sunday morning. Motorists should also watch for patchy ice across any wet roads after dark.

For SR-224 & SR-248:
1.) For SR-224 and SR-248, near Park City, will run mostly wet through the period. The best chance for road slush and light road snow will occur after dark; between 8 P.M. Friday and 9 A.M. Saturday, and again Saturday evening into Sunday morning. Motorists should also watch for patchy ice across any wet roads after dark.

For SR-199:
1.) SR-199 (through Johnson’s Pass) roads will trend wet during the afternoon hours. The best chance for road snow/slush will be between 8 P.M. Saturday and 9 A.M. Sunday. Motorists should also watch for patchy ice across any wet roads after dark.

For SR-30:
1.) For SR-30 (near the Raft Rivers) will see the threat for road slush between 8 P.M. Friday and 9 A.M. Saturday, and again Saturday evening. Roads may turn mostly wet during the afternoon, except under a heavier snow shower. Motorists should also watch for patchy ice across any wet roads after dark.

Other Northern Mountain Routes:
1.) For SR-158 (to Powder Mountain), SR-226 (to Snowbasin), SR-39 (east of Huntsville, to Monte Cristo), SR-65 (Big Mountain Pass), and SR-92 (American Fork Canyon) will see the threat for road slush between 6 P.M. Friday and 10 A.M. Saturday, and again Saturday evening. Roads may turn mostly wet during the afternoon, except under a heavier snow shower. Motorists should also watch for patchy ice across any wet roads after dark.

 

For Central/Southern Utah

For I-15:
1.) I-15 through Cove Fort is expected to run wet under any rain/snow showers through the period; however, periods of light road slush will be possible under heavier snow showers, especially after dark.
2.) For portions of I-15, over Scipio Summit, is expected to run wet under any rain/snow showers through the period; however, periods of light road slush will be possible under heavier snow showers, especially after dark.

For I-70:
1.) I-70 from the I-15 junction at Cove Fort (over Clear Creek Summit) will trend mostly wet Friday and Saturday afternoons; however, brief slush ups will be possible under heavier snow showers, especially after dark. Patchy ice may linger through the evenings. Travel with caution.
2.) From Salina to Fremont Junction (over Ivie Creek Summit) will trend mostly wet Friday and Saturday afternoons; however, brief slush ups will be possible under heavier snow showers, especially after dark. Patchy ice may linger through the evenings. Travel with caution.

For US-89:
1.) Thistle south to Mt. Pleasant, will run mostly wet through the period, except under a heavier snow shower. The best chance for road snow/slush will be between 8 P.M. Saturday and 9 A.M. Sunday. Otherwise, watch for patchy ice, especially over bridges, during the overnight hours.
2.) US-89 from Sevier through Panguitch will trend mostly wet Friday and Saturday afternoons; however, brief slush ups will be possible under heavier snow showers, especially after dark. Patchy ice may linger through the evenings. Travel with caution.

For US-191:
1.) From La Sal south through Blanding will run mostly wet under any rain/snow showers through Saturday afternoon, except after dark under any heavy snow showers. Motorists should also watch for patchy ice through Saturday night and into Sunday morning.

For US-6:
1.) For US-6 in the west desert (milepost 22-44; through King’s Canyon) will run mostly wet under any rain/snow showers through Friday and Saturday afternoon, except after dark under any heavy snow showers when light slush will be possible. Motorists should also watch for patchy ice through Saturday night and into Sunday morning.

For SR-21:
1.) For SR-21 in the west desert (milepost 42-63; over Wah Wah Summit) will run mostly wet under any rain/snow showers through Friday and Saturday afternoon, except after dark under any heavy snow showers when light slush will be possible. Motorists should also watch for patchy ice through Saturday night and into Sunday morning.

For SR-95:
1.) From Blanding to Lake Powell (particularly over Salvation Knoll) will run mostly wet under any rain/snow showers through Saturday afternoon, except after dark under any heavy snow showers. Motorists should also watch for patchy ice through Saturday night and into Sunday morning.

For US-491:
1.) For US-491 from Monticello east to the Colorado border; wet roads are expected under any rain/snow showers through Saturday afternoon, except after dark under any heavy snow showers. Motorists should also watch for patchy ice through Saturday night and into Sunday morning.

For SR-46:
1.) For SR-46 from La Sal east to the Colorado border; wet roads are expected under any rain/snow showers through Saturday afternoon, except after dark under any heavy snow showers. Motorists should also watch for patchy ice through Saturday night and into Sunday morning.

For Central/Southern Mountain Routes:
1.) SR-31 (Fairview and Huntington Canyons), SR-264 and SR-96 (near Scofield) will experience periods of road slush and snow, along with blowing snow, under snow showers Friday evening through Sunday morning. Travel with caution.
2.) For SR-24 (over Wayne Summit), and SR-12 (over Boulder Summit); Snow showers and road slush threats increase Friday evening, Patchy road snow and ice will persist through Sunday morning. Travel with caution.

See the travel weather highlights graphic below, which is valid 8 P.M. Friday through 12 P.M. Sunday. Please monitor this page and other weather information sources for updates as the storm progresses.

 


Briefing 2015_04_24_1600 Road Snow.png

**This document is intended to be a forecast of statewide storm impacts. For updated roadway conditions & restrictions, please visit:  http://www.udottraffic.utah.gov/RoadWeatherForecast.aspx**
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