Likelihood of HISTORIC Northern Rockies 3-5 day precipitation and snowmelt this week in some valleys and west slopes resulting in poor drainage ponding and stream flooding threats along with rockslides. Several feet of heavy snow above 8000 feet possible.

Snow likely before 3pm, then rain, possibly mixed with snow. Snow level 6600 feet. High near 35. South wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

Rain before 8am, then rain, possibly mixed with snow between 8am and 11am, then snow after 11am. The snow could be heavy at times. Snow level 7700 feet lowering to 6500 feet in the afternoon . Temperature falling to around 31 by 3pm. West southwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Rain before 2pm, then rain, possibly mixed with snow. High near 38. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Rain likely, mainly before 11am. Mostly cloudy, with a high near 37. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

A slight chance of rain before 11am. Snow level 7400 feet. Partly sunny, with a high near 39.

Mostly sunny, with a high near 38.

A chance of snow. Partly sunny, with a high near 35.