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Home Return to list Winter Weather Advisory 0013 Issued by the Salt Lake City Forecast Office
Action: New Issued At: 2026-05-16 12:10:53 364 WWUS45 KSLC 161710 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 1110 AM MDT Sat May 16 2026 UTZ112-WYZ021-170815- /O.NEW.KSLC.WW.Y.0013.260517T1800Z-260524T0000Z/ Western Uinta Mountains-Southwest Wyoming- Including the following locations - Moon Lake, Mirror Lake Highway, Lyman, and Evanston 1110 AM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON SUNDAY TO 6 PM MDT SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches for the Western Uinta Mountains and 2 to 5 inches for southwest Wyoming. * WHERE...In Utah, Western Uinta Mountains. In Wyoming, Southwest Wyoming. * WHEN...From noon Sunday to 6 PM MDT Saturday. * IMPACTS...Some impacts expected. Roads may be slick in spots due to slush, snow, and drifted snow. Travel could be difficult at times. Traction law restrictions may be enacted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. Use extra caution. Stay alert for changing road and weather conditions. For winter road conditions from the Wyoming Department of Transportation, visit: http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov MT Action: Time Extended Issued At: 2026-05-16 18:20:04 887 WWUS45 KSLC 162319 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 519 PM MDT Sat May 16 2026 UTZ112-WYZ021-171430- /O.EXT.KSLC.WW.Y.0013.260517T1800Z-260519T0600Z/ Western Uinta Mountains-Southwest Wyoming- Including the following locations - Moon Lake, Lyman, Evanston, and Mirror Lake Highway 519 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches for the Western Uinta Mountains and 2 to 5 inches for southwest Wyoming. * WHERE...In Utah, Western Uinta Mountains. In Wyoming, Southwest Wyoming. * WHEN...From noon Sunday to midnight MDT Monday Night. * IMPACTS...Travel could be difficult at times. Traction law restrictions may be enacted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov LC Action: Continued Issued At: 2026-05-16 23:49:44 908 WWUS45 KSLC 170449 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 1049 PM MDT Sat May 16 2026 UTZ112-WYZ021-172000- /O.CON.KSLC.WW.Y.0013.260517T1800Z-260519T0600Z/ Western Uinta Mountains-Southwest Wyoming- Including the following locations - Moon Lake, Lyman, Evanston, and Mirror Lake Highway 1049 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of 6 to 14 inches for the Western Uinta Mountains with locally higher amounts, and 2 to 6 inches for southwest Wyoming with locally in excess of 10 inches closer to the north slopes of the Uintas. * WHERE...In Utah, Western Uinta Mountains. In Wyoming, Southwest Wyoming. * WHEN...From noon Sunday to midnight MDT Monday Night. * IMPACTS...Travel could be difficult at times. Traction law restrictions may be enacted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov LC Action: Continued Issued At: 2026-05-17 23:08:43 413 WWUS45 KSLC 180408 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 1008 PM MDT Sun May 17 2026 UTZ112-WYZ021-181915- /O.CON.KSLC.WW.Y.0013.000000T0000Z-260519T0600Z/ Western Uinta Mountains-Southwest Wyoming- Including the following locations - Mirror Lake Highway, Moon Lake, Evanston, and Lyman 1008 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of 6 to 14 inches for the Western Uinta Mountains with locally higher amounts further east into the Uinta mountains, and 2 to 6 inches for southwest Wyoming with locally in excess of 10 inches closer to the north slopes of the Uintas. * WHERE...In Utah, Western Uinta Mountains. In Wyoming, Southwest Wyoming. * WHEN...Until midnight MDT Monday Night. * IMPACTS...Travel could be difficult at times. Traction law restrictions may be enacted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov HM Action: Continued Issued At: 2026-05-18 15:58:54 582 WWUS45 KSLC 182058 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 258 PM MDT Mon May 18 2026 UTZ112-WYZ021-190600- /O.CON.KSLC.WW.Y.0013.000000T0000Z-260519T0600Z/ Western Uinta Mountains-Southwest Wyoming- Including the following locations - Lyman, Evanston, Moon Lake, and Mirror Lake Highway 258 PM MDT Mon May 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...In Utah, Western Uinta Mountains. In Wyoming, Southwest Wyoming. * WHEN...Until midnight MDT tonight. * IMPACTS...Travel could be difficult at times. Traction law restrictions may be enacted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov MT Action: Cancelled Issued At: 2026-05-18 19:11:32 824 WWUS45 KSLC 190011 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 611 PM MDT Mon May 18 2026 UTZ112-WYZ021-190115- /O.CAN.KSLC.WW.Y.0013.000000T0000Z-260519T0600Z/ Western Uinta Mountains-Southwest Wyoming- Including the following locations - Lyman, Mirror Lake Highway, Moon Lake, and Evanston 611 PM MDT Mon May 18 2026 ...WINTER WEATHER ADVISORY IS CANCELLED... Snow will continue to decrease through the evening hours. Very little or no additional accumulation is expected in Uinta County, Wyoming, and generally less than 1 inch is expected in the western Uinta Mountains. $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov LC | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||