High pressure is holding strong across the Western United States, although a trough is moving into the Northern Rockies for Friday. This will increase our cloud cover overhead as moisture increases in the atmosphere and could cause a few snow flurries into the Northern Sawtooths and along the Montana Divide to Island Park and Yellowstone.
Tonight, partial clearing with temperatures falling back down into the teens and low 20's. Winds calm.
Saturday will be party to mostly cloudy for the Snake River Plain, with highs into the lower 30's. Mountain locations will have A 30 percent chance of snow showers. Mostly cloudy, with a high near 25° to 30°. South southwest wind around 5-10 mph. New snow accumulation of less than one inch possible.
Sunday another day with light mountain snow flurries and showers, with partly sunny skies in the Snake River Plain. A bit of some warmer weather on Sunday and Monday, as we turn our attention to the South. Warmer air will work in, with highs into the upper 30's and lower 40's.