Hydrologic Outlook National Weather Service Riverton WY 304 PM MST Tue Mar 3 2020 ...Accelerated low elevation snowmelt Friday through Sunday due warmer temperatures and possible rain on snowmelt... Afternoon temperatures across Jackson Hole and Star Valley are forecasted to warm into into the upper 40s to lower 50s Friday and Saturday. Rain is also expected Saturday, before turning to mostly snow by Saturday night. Snowmelt below 7,000 feet is expected to accelerate Friday afternoon through early Sunday morning. Low lying areas may become inundated with the noticeable increase in snowmelt runoff. People living in known flood prone areas should take extra precautions to mitigate problems with the increased low elevation snowmelt.