Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

unknown precip

12°F

-11°C

Humidity 92%
Wind Speed N 6 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility 1.24 mi
Wind Chill2°F (-17°C)
Last update 15 Mar 02:15 AM MDT
Extended Forecast for

Lost Trail Pass MT

  • Overnight

    Overnight: A 20 percent chance of snow before 3am.  Mostly cloudy, with a low around 9. Northwest wind around 6 mph, with gusts as high as 18 mph.

    Low: 9 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow after 3pm.  Mostly sunny, with a high near 29. Wind chill values as low as -1. West wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 29 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 2am.  Mostly cloudy, with a low around 23. West wind around 6 mph becoming calm.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    then Snow
    Likely

  • Monday

    Monday: Snow before noon, then rain and snow between noon and 3pm, then rain after 3pm.  High near 42. West southwest wind 6 to 9 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow then
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 9pm, then a chance of rain between 9pm and midnight.  Mostly cloudy, with a low around 33. Southwest wind around 7 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and noon, then a chance of rain after noon.  Mostly sunny, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow before noon.  Mostly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow before 3am. Mostly cloudy, with a low around 9. Northwest wind around 6 mph, with gusts as high as 18 mph.
Sunday
A 20 percent chance of snow after 3pm. Mostly sunny, with a high near 29. Wind chill values as low as -1. West wind 6 to 8 mph, with gusts as high as 20 mph.
Sunday Night
Snow likely, mainly after 2am. Mostly cloudy, with a low around 23. West wind around 6 mph becoming calm. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Snow before noon, then rain and snow between noon and 3pm, then rain after 3pm. High near 42. West southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain and snow before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 33. Southwest wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and noon, then a chance of rain after noon. Mostly sunny, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34.
Wednesday
A slight chance of rain and snow before noon. Mostly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
A slight chance of rain. Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 37.
Saturday
A slight chance of rain. Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
2:01 am MDT Mar 15, 2026
2am MDT Mar 15, 2026-6pm MDT Mar 21, 2026
 
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Additional Resources

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