The National Weather Service has placed most of Fremont County in a Winter Storm Watch for an upcoming spring storm.
A snow/rain mixture is likely to begin falling Tuesday, with snowfall throughout the day Wednesday.
Thursday will see another chance at early snow, but clearing to party cloudy skies and a high in the mid 40’s. Temperatures will warm back into the 50’s this weekend.
Meanwhile in western Wyoming, flood watches are in place for the Jackson and Afton area.
Keep up to date with weather changes at the National Weather Service Riverton page.
Winter Storm Watch:
..Winter Storm Will Impact the Area Tonight through Wednesday Evening... .A strong spring storm will impact the area today through Wednesday night with significant snow and rain. The main impacts tonight through this evening will primarily impact areas west of the Divide with valley rain and mountain snow. Significant mountain snow is expected over western mountains. Areas east of the Continental Divide will see precipitaion increase tonight. This system will initially bring rain to the the lower elevations east of the Divide with snow levels lowering to the basin floors around sunrise Wednesday. Moderate to heavy snow and strong north wind will likely impact parts of northern, central and southern Wyoming Wednesday. The snow is expected to gradually end from north to south Wednesday night. WYZ017-101000- /O.UPG.KRIW.WS.A.0009.190410T1200Z-190411T0600Z/ /O.EXB.KRIW.WW.Y.0021.190410T1200Z-190411T0600Z/ Wind River Basin- Including the cities of Riverton and Shoshoni 1118 AM MDT Tue Apr 9 2019 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT MDT WEDNESDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches expected. Winds gusting as high as 45 mph. * WHERE...Wind River Basin. * WHEN...From 6 AM Wednesday to midnight MDT Wednesday night. * ADDITIONAL DETAILS...Plan on slippery road conditions. Areas of blowing snow will significantly reduce visibility. The hazardous conditions could impact the morning and evening commutes on Wednesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Special Weather Statement:
Yellowstone National Park-Absaroka Mountains-Cody Foothills- North Big Horn Basin-Southwest Big Horn Basin- Southeast Big Horn Basin-Owl Creek and Bridger Mountains- Bighorn Mountains West-Bighorn Mountains Southeast- Northeast Johnson County-Southeast Johnson County- Teton and Gros Ventre Mountains-Jackson Hole- Wind River Mountains West-Wind River Mountains East- Upper Wind River Basin-Wind River Basin-Lander Foothills- Green Mountains and Rattlesnake Range- Natrona County Lower Elevations-Casper Mountain-Star Valley- Salt River and Wyoming Ranges-Upper Green River Basin Foothills- Upper Green River Basin-South Lincoln County- Rock Springs and Green River-Flaming Gorge-East Sweetwater County- 1138 AM MDT Tue Apr 9 2019 ...Winter Storm Warning and Winter Weather Advisories are in effect for much of western and central Wyoming... ...Flood Watch for the Jackson and Star Valleys and Southern Lincoln county through Noon Wednesday... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and Tonight Far western valleys could see enough rainfall through tonight on the melting snowpack to cause some flooding. Please see flood statement for more details. Significant mountain snowfall is also possible over the western mountains through tonight. Rain will change to snow in the north late tonight. Please see winter weather statements for more details. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Wednesday...Snow likely most locations. The snow could be heaviest across southern and east central Wyoming, as well as on the north and east facing slopes of the central mountains. Gusty north wind is also expected, especially for areas east of the Divide. Again, please see winter weather products and forecasts for details. Saturday night through Sunday night...A chance of snow in the western mountains with rain or snow in the far west valleys. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures.