Snow Avalanche Guidance
Issued by NWS Missoula, MT

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FWUS45 KMSO 181105

Backcountry Forecast for western Montana and north central Idaho
National Weather Service Missoula MT
405 AM MST Wed Jan 18 2017

DISCUSSION: Snow is spreading throughout north central Idaho and
northwest Montana this morning. Some of the lower elevations in
Idaho have been reporting rain, otherwise, snow is the dominate
precipitation type this morning. There are indications that the
vertical atmospheric profile will support light to moderate snow
at least through the morning. There are very warm mid- slope
temperatures in west central Montana ranging from the 30s to 40s.
A few of these spots may cool down to freezing with as
precipitation falls. Heavy wet snow over north-central Idaho
locations is expected today especially over the Clearwater
National Forest. While the majority of the precipitation will fall
today, snow and mixed precip will persist through Thursday.

Elevations above 4,000 FT:

                      Today        Tonight      Thu
Cloud Cover           95%          85%          90%
Hi/Lo Temps           32 to 41     23 to 31     30 to 39
Winds(mph)            SW 15G39     SW 12G29     SW  9G28
Precip Chc            90           70           60
Precip Type           sno/fzra     sno/fzra     fzra
Liquid Amt            0.21         0.11         0.09
Snow Ratio(SLR)       10:1         11:1         12:1
Snow Amt(in)          1-5          1-3          1-2

Snow Level            4500         4500         4000

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