* WHAT...Damaging winds and heavy snow expected. There is a likelihood of major winter weather impacts to isolated extreme winter storm impacts. Total snow accumulations of 2 to 5 in inches in the valleys and 8 to 12 inches at pass level. Damaging winds gusting as high as 60 mph in the lower elevations, 70 mph in higher terrain. * WHERE...Marias Pass, Highway 83 Bigfork to Swan Lake, Bad Rock Canyon, Glacier National Park, Essex, and Polebridge. * WHEN...From 8 PM this evening to 11 PM MST Wednesday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. For EXTREME winter storm impacts, expect substantial disruptions to normal activities. Extremely dangerous or impossible traveling conditions. Travel in the impacted areas is not advised. Extensive and widespread closures and disruptions to infrastructure may occur. Life saving actions may be needed. The hazardous conditions could impact the Wednesday morning and evening commutes, especially over higher passes. Very strong winds could cause extensive tree damage and power outages.
| Last Updated | |
| River Levels | 4310 cfs ( ft) |
| Percent of Normal | +100% |
| Optimal Range | 1000-10000 cfs |
| Status | Too High |
| Class Level | II+ to III |
| Elevation | 2,889 ft |
| Run Length | 5.5 Mi |
| Streamflow Discharge | 4310 cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 12369000 |