Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

49°F

9°C

Humidity 27%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility 1.24 mi
Wind Chill46°F (8°C)
Last update 19 Mar 09:00 PM MDT
Extended Forecast for

5 Miles WNW Gibbonsville ID

  • Tonight

    Tonight: Mostly clear, with a low around 38. Southwest wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph.

    High: 53 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain before 9am, then rain and snow likely between 9am and 3pm, then snow likely after 3pm.  Snow level 9300 feet lowering to 8100 feet in the afternoon . Mostly cloudy, with a high near 43. Breezy, with a southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 26. Blustery, with a west northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 33 mph.

    Low: 26 °F

    Slight Chance
    Snow and
    Blustery then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Southwest wind 11 to 14 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 53. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 39. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Saturday
A chance of rain before 9am, then rain and snow likely between 9am and 3pm, then snow likely after 3pm. Snow level 9300 feet lowering to 8100 feet in the afternoon . Mostly cloudy, with a high near 43. Breezy, with a southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 26. Blustery, with a west northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 33 mph.
Sunday
Sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 32.
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. Snow level rising to 8800 feet in the afternoon. Partly sunny, with a high near 46.
Tuesday Night
A chance of rain and snow. Snow level 8900 feet. Mostly cloudy, with a low around 34.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 42.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Thursday
A slight chance of snow. Mostly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Gibbonsville ID
 45.59°N 114.01°W (Elev. 8114 ft)
2:11 pm MDT Mar 19, 2026
9pm MDT Mar 19, 2026-6pm MDT Mar 26, 2026
 
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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