Atmospheric River in the West; Strong Winds in the Northeast

A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. today into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. today into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

Lat: 46.88748267° N Lon: 112.1111196° W Elev: 4199.0 ft.

NA

48°F

9°C

Humidity 73%
Wind Speed S 7 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 05 Nov 01:30 PM MST
Detailed forecast for

Upper Blackfoot and MacDonald Pass

Rest Of Today
Not as cool. Mostly cloudy. Highs 45 to 55. South winds up to 10 mph.
Tonight
Mostly cloudy. Chance of rain in the evening, then chance of snow and slight chance of rain after midnight. Lows 30 to 35. Southwest winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 50 percent.
Thursday
Windy. Mostly cloudy with a 50 percent chance of rain and snow. Highs 35 to 45. West winds 20 to 30 mph.
Thursday Night
Partly cloudy in the evening, then mostly cloudy with a 40 percent chance of snow and rain after midnight. Lows 30 to 35. Southwest winds 10 to 15 mph with gusts to around 30 mph.
Friday
Breezy. Snow and rain in the morning, then snow likely in the afternoon. Light snow accumulations. Snow level 5000 feet. Highs 35 to 40. Southwest winds 10 to 15 mph shifting to the west 15 to 25 mph in the afternoon. Chance of precipitation 90 percent.
Friday Night
Breezy. Partly cloudy with a 20 percent chance of snow. Lows around 25.
Saturday And Saturday Night
Partly cloudy. Highs 30 to 40. Lows 20 to 25.
Sunday And Sunday Night
Mostly cloudy. Highs 40 to 50. Lows 30 to 35.
Monday
Mostly cloudy. Highs 45 to 55.
Monday Night
Mostly cloudy with a 20 percent chance of rain and snow. Lows 30 to 40.
Veterans Day
Partly cloudy with a 20 percent chance of rain and snow. Highs 45 to 50.



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911 AM MST Wed Nov 5 2025
 
 

Additional Resources

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