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 >

Hazardous Weather Conditions

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

NA

39°F

4°C

Humidity 69%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 22 Apr 04:00 AM MDT
Extended Forecast for

6 Miles E Elliston MT

Winter Weather Advisory April 22, 06:00pm until April 24, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Rain showers before 4pm, then rain and snow showers. Some thunder is also possible. Snow level 8200 feet lowering to 6600 feet in the afternoon . Temperature rising to near 49 by 10am, then falling to around 38 during the remainder of the day. Breezy, with a south wind 10 to 15 mph becoming west 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 49 °F⇓

    Chance Rain
    then
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Rain and snow likely before 10pm, then snow. Low around 26. Breezy, with a west wind 16 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Rain/Snow and
    Breezy then
    Snow

  • Thursday

    Thursday: Snow. High near 29. West northwest wind 15 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Low around 17. North wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 17 °F

    Snow

  • Friday

    Friday: Snow. High near 28. North wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13. New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 29. Little or no snow accumulation expected.

    High: 29 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A chance of snow. Partly sunny, with a high near 30.

    High: 30 °F

    Chance Snow

Detailed Forecast

Today
Rain showers before 4pm, then rain and snow showers. Some thunder is also possible. Snow level 8200 feet lowering to 6600 feet in the afternoon . Temperature rising to near 49 by 10am, then falling to around 38 during the remainder of the day. Breezy, with a south wind 10 to 15 mph becoming west 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain and snow likely before 10pm, then snow. Low around 26. Breezy, with a west wind 16 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. High near 29. West northwest wind 15 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow. Low around 17. North wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 28. North wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 29. Little or no snow accumulation expected.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 16.
Sunday
A chance of snow. Partly sunny, with a high near 30.
Sunday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 17.
Monday
A chance of snow. Partly sunny, with a high near 40.
Monday Night
A slight chance of snow. Partly cloudy, with a low around 23.
Tuesday
A chance of snow. Mostly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Elliston MT
 46.56°N 112.32°W (Elev. 6168 ft)
Last Update:
2:01 am MDT Apr 22, 2026
Forecast Valid:
4am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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