A vigorous cold front accompanied by very strong winds, falling temperatures and snow will impact Star Valley today. Winds will increase rapidly this morning with the cold front arriving by early afternoon. Snow will whip across the valley early this afternoon, decreasing by this evening. Amounts will be from 2 to as much as 4 inches, which coupled with winds gusting to 50 mph will result in difficult driving conditions during the afternoon and evening.
As of 9am winds are gusting up to 60 mph in the Snake River Valley from Pocatello westward to Twin Falls.
Riverton Forecast Office has issued a Winter Weather Advisory until this evening.
STAR VALLEY-SALT RIVER AND WYOMING RANGES- INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH... THAYNE ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT THIS EVENING. * SUMMARY AND TIMING...SNOW WILL BEGIN AROUND MID MORNING AND CONTINUE THROUGH THE AFTERNOON BEFORE TAPERING OFF DURING THE EVENING. * SNOW ACCUMULATIONS...2 TO 4 INCHES IN THE VALLEYS. 4 TO 8 INCHES IN THE MOUNTAINS WITH HIGHER AMOUNTS ON WESTERN FACING SLOPES. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 20 TO 30 MPH WITH GUSTS TO 35 MPH IN THE VALLEYS AND UP TO 50 MPH IN THE MOUNTAINS. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE IN SNOW AND BLOWING SNOW. * IMPACTS...ROADS AND PASSES...INCLUDING SALT RIVER PASS WILL BECOME SLICK...SNOW PACKED AND ICY MAKING DRIVING HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO.