Road Weather Alerts

UTAH DEPARTMENT OF TRANSPORTATION

TRAFFIC OPERATIONS CENTER

 Road Weather Alert


Updated: Saturday, April 25, 2015
Road Weather Highlights for Road Snow & Slush

Text Updated: Saturday, April 25, 2015 at 8:00 A.M.
Forecast for: 8 A.M. Saturday through 12 P.M. Sunday

For Northern Utah:
A series of disturbances will continue to bring periods of valley rain showers/mountain snow showers across most of Utah through Saturday and lasting into Sunday morning. Mountain routes will see a mix of rain and snow showers through the day Saturday before transitioning to snow Saturday night, while valley routes will see all rain showers and wet roads throughout the forecast period. The best chance for mountain road snow/slush accumulation will be through early Saturday morning and again after dark Saturday night, while trending mostly wet during the daytime hours. The following routes will be impacted:

I-80; Parley’s Canyon/Summit to WY border
I-84; NW of Tremonton
US-89; Sardine Summit; Logan Canyon/Summit
US-40; Duchesne through Daniel’s Canyon; Mayflower Summit
US-6; Thistle to Helper, Soldier Summit
US-191; Indian Canyon; north of Vernal through Greendale Junction

For Central/Southern Utah:
A series of disturbances will continue to bring periods of valley rain showers/mountain snow showers across most of Utah through Saturday and lasting into Sunday morning. Mountain routes will see a mix of rain and snow showers through the day Saturday before transitioning to snow Saturday night, with the best chance for mountain road snow/slush accumulation occurring through Saturday morning and again after dark Saturday night. Most valley routes will see all rain showers and wet roads through the forecast period; however, brief slush ups will be possible under heavy snow showers Saturday night into Sunday morning. The following routes will be impacted:

I-15; Cove Fort; Scipio, Beaver, and Pine Creek Summits
I-70
; Cove Fort; Ivie Creek and Clear Creek Summits; San Rafael Swell
US-89
; Sevier through Long Valley Junction
US-191
; Monticello and Blanding

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


Briefing-2015_04_25_0800-Road-Snow-Update.png

Route-Specific Forecast for Road Snow & Slush


Text Updated: Saturday April 25, 2015 at 8:00 A.M.
Forecast for: 8 A.M. Saturday through 12 P.M. Sunday

For Northern Utah

For the Salt Lake, Utah, and Cache Valleys:
A few light rain showers may continue through Saturday morning. Rain will begin to increase once again Saturday afternoon across the valleys, keeping routes wet through the evening. Motorists should watch for areas of standing water and reduced visibilities under any heavier rainfall. Rain showers may decrease somewhat Saturday night, but should continue into Sunday morning, before slowly focusing over the mountains by Sunday afternoon.

For I-80:
1.) Lower Parley’s Canyon through Parley’s Summit may see some patchy ice through 9 A.M. Saturday morning. Then roads will run mostly wet through Saturday afternoon, except under a heavier snow shower. 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 brief road slush between 8 P.M. Saturday and 9 A.M. Sunday. Otherwise, roads will run wet through the forecast period. Motorists should also watch for standing water during the day and patchy ice across any wet roads after dark.

For US-89:
1.) Periods of road slush and patchy ice will impact US-89, through upper Logan Canyon and over Logan Summit, through 9 A.M. Saturday morning. Roads may turn mostly wet during the afternoon, except under a heavier shower. Another chance for road slush/snow is expected 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 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 through 9 A.M. Saturday, and again Saturday evening and overnight. 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 through 9 A.M. Saturday, and again Saturday evening and overnight. 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 continue to see road slush and snow through the forecast period. Portions of SR-150 near Kamas may trend mostly wet Saturday afternoon, except under a heavier snow shower. Road snow may become heavy Saturday night into Sunday morning, particularly on higher elevation portions of the roadway.

For US-191:
1.) US-191 through Indian Canyon Summit (between Duchesne and Helper) will see the threat for road slush through 9 A.M. Saturday, and again Saturday evening and overnight. 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 through 10 A.M. Saturday, and again Saturday evening and overnight. 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 through 10 A.M. Saturday, and again Saturday evening and overnight. 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 and patchy ice through 10 A.M. Saturday, and again Saturday evening and overnight, especially near the resorts. Roads may turn mostly wet during the afternoon, except under a heavier snow shower. Road snow may become heavy Saturday night into Sunday morning, particularly on higher elevation portions of the roadway.

For SR-35:
1.) For SR-35 (through Wolf Creek Pass) will continue to see road slush and snow through the forecast period. Portions of SR-35 near Francis may trend mostly wet Saturday afternoon, except under a heavier snow shower. Road snow may become heavy Saturday night into Sunday morning, particularly on higher elevation portions of the roadway.

For SR-224, SR-32, SR-248:
1.) For SR-224, SR-32, and SR-248, near Park City and Kamas, will run mostly wet through the period. The best chance for road slush and patchy ice will occur after dark; through 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 and Bear Lake) will see the threat for road slush and patchy ice through 9 A.M. Saturday, and again Saturday evening and overnight. 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 and snow through 10 A.M. Saturday, and again Saturday evening and overnight. 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 Saturday evening through overnight.
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 Saturday evening through overnight.

 

For I-70:
1.) I-70 from the I-15 junction at Cove Fort (over Clear Creek Summit) will trend mostly wet Saturday afternoon; however, brief slush ups will be possible under heavier snow showers, especially after dark. Patchy ice may linger through the night.
2.) From Salina to Fremont Junction (over Ivie Creek Summit) will continue to have the threat for road slush and patchy ice through 10 A.M. Saturday morning. Roads will trend mostly wet Saturday afternoon; however, brief slush ups will be possible under heavier snow showers. Periods of road slush and snow will impact travel Saturday evening and overnight. Travel with caution.

3.) I-70 over the San Rafael Swell (between Fremont Junction and Green River) will trend mostly wet Saturday afternoon; however, brief slush ups will be possible under heavier snow showers, especially after dark. Patchy ice may linger through the night.

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 Long Valley Junction will trend mostly wet through Saturday afternoon; however, brief slush ups will be possible under heavier snow showers. Periods of road slush and snow will impact travel Saturday evening and overnight. 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 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 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 under any heavy snow showers. Periods of road slush and light road snow will then be possible Saturday evening and overnight.

 

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, through the forecast period. Road snow may become heavy at times. Travel with caution.
2.) For SR-24 (over Wayne Summit), SR-20 (top of Bear Valley) and SR-12 (over Boulder Summit) will experience periods of road slush and snow, along with blowing snow, through the forecast period. Road snow may become heavy at times. Travel with caution.

3.) SR-14 & SR-143 (near Brian Head) will experience periods of road slush and snow, along with blowing snow, through the forecast period. Road snow may become heavy at times. Travel with caution.

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


Briefing-2015_04_25_0800-Road-Snow-Update.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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