Tonight, cold with patchy fog. Lows back to near 0° for the Snake River Plain, with the higher elevations dropping below 0.  Patchy Fog with a few flurries possible.

Saturday, partly cloudy skies with light to moderate south breezes as a weak storm moves in from the west. Very slight chance of precipitation. Highs mostly in the low 20's. 

Sunday, mostly cloudy skies with a 20% - 30% chance of snow showers. Don't expect any major accumulations in the Snake River Plain, with only about 2" - 3" in the mountains. Highs in the upper 20's. 

Monday, partly cloudy skies with a few lingering snow showers in western Wyoming. Highs in the 20's.