National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Mullan Pass, Mullan Pass Vor (KMLP)

Lat: 47.45417°NLon: 115.66972°WElev: 6001.0ft.

Clear

48°F

9°C

Humidity 76%
Wind Speed NNW 5 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 21 Apr 09:05 PM MDT
Extended Forecast for

3 Miles SE Lookout Pass MT

  • Tonight

    Tonight: A chance of rain and thunderstorms. Mostly cloudy, with a low around 39. West wind around 6 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain and snow. Snow level 8500 feet lowering to 5100 feet in the afternoon . High near 42. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 3am. Low around 31. Southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow. High near 37. West southwest wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 37 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 26. Northwest wind around 6 mph becoming northeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly after noon. Partly sunny, with a high near 36. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 36 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after noon. Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain and thunderstorms. Mostly cloudy, with a low around 39. West wind around 6 mph. Chance of precipitation is 40%.
Wednesday
Rain and snow. Snow level 8500 feet lowering to 5100 feet in the afternoon . High near 42. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 3am. Low around 31. Southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 37. West southwest wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 26. Northwest wind around 6 mph becoming northeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow likely, mainly after noon. Partly sunny, with a high near 36. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 23.
Saturday
A slight chance of snow after noon. Mostly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A slight chance of snow after noon. Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 27.
Monday
A chance of rain and snow. Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
A chance of rain. Snow level 4800 feet rising to 6000 feet in the afternoon. Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Lookout Pass MT
 47.39°N 115.64°W (Elev. 4787 ft)
Last Update:
2:00 pm MDT Apr 21, 2026
Forecast Valid:
9pm MDT Apr 21, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation