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.

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Lost Trail Pass (ITD87)

Lat: 45.69302°NLon: 113.94835°WElev: 7090.0ft.

light snow

30°F

-1°C

Humidity	NA
Wind Speed	SSW 8 MPH
Barometer	NA
Dewpoint	N/A
Visibility	0.29 mi
Wind Chill	22°F (-6°C)
Last update	NA

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles WNW Lost Trail Pass MT

Tonight
Low: 29 °F
Snow
Tuesday
High: 33 °F⇓
Heavy Snow
Tuesday Night
Low: 26 °F⇑
Heavy Snow
Wednesday
High: 35 °F
Rain/Snow
Wednesday Night
Low: 33 °F
Snow then
Rain/Snow
Likely
Thursday
High: 35 °F
Snow Likely
then
Rain/Snow
Likely
Thursday Night
Low: 32 °F
Chance
Rain/Snow
then Chance
Snow
Friday
High: 35 °F
Chance Snow
Friday Night
Low: 26 °F
Mostly Cloudy

Detailed Forecast

Tonight

Snow. Low around 29. Southwest wind 18 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Tuesday

Snow. The snow could be heavy at times. Temperature falling to around 26 by 3pm. West wind 13 to 21 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Temperature rising to around 35 by 4am. Southwest wind 6 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Wednesday

Rain and snow, becoming all snow after 2pm. High near 35. West southwest wind 10 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

Snow before 2am, then rain likely, possibly mixed with snow. Low around 33. West southwest wind 9 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Thursday

Snow likely before 2pm, then rain and snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 32. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Friday

A chance of snow, mainly before 11am. Partly sunny, with a high near 35.

Friday Night

Mostly cloudy, with a low around 26.

Saturday

Mostly sunny, with a high near 33.

Saturday Night

A slight chance of snow. Mostly cloudy, with a low around 26.

Sunday

A chance of snow. Partly sunny, with a high near 31.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 25.