Heavy rain combined with mountain snowpack melt may cause flows in streams and rivers to increase quickly and reach critical levels.
* WHAT...Flooding caused by rain and snowmelt is possible.
* WHERE...A portion of northwest Montana, including the following areas, Flathead/Mission Valleys and West Glacier Region.
This includes the following Specific Areas... Kalispell and Going-to-the-Sun Road in Glacier Park.
* WHEN...From Saturday evening through Monday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Rockfall and debris flows are also possible in steep terrain.
* ADDITIONAL DETAILS... - Rainfall of
1 to 2 inches for valley locations with
2 to 4 inches in the terrain are possible late Saturday through Monday. -
https://www.weather.gov/mso/hydrologyPRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
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