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 portions of the central and southern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

BNSF Java East (JVEMT)

Lat: 48.23587°NLon: 113.56453°WElev: 4043.0ft.

NA

75°F

24°C

Humidity 14%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 21 Apr 03:00 PM MDT
Extended Forecast for

28 Miles SSW Heart Butte MT

Winter Weather Advisory April 22, 06:00pm until April 23, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Southeast wind 7 to 9 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Snow showers, possibly mixed with rain, becoming all snow after 5pm. Some thunder is also possible. Snow level 8800 feet lowering to 7200 feet in the afternoon . High near 49. South wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 49 °F

    Chance Rain
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Low around 22. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 22 °F

    Heavy Snow

  • Thursday

    Thursday: Snow. High near 24. North northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 24 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 14 °F

    Snow Likely

  • Friday

    Friday: Snow. High near 23. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 23 °F

    Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 13. New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 25.

    High: 25 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Southeast wind 7 to 9 mph.
Wednesday
Snow showers, possibly mixed with rain, becoming all snow after 5pm. Some thunder is also possible. Snow level 8800 feet lowering to 7200 feet in the afternoon . High near 49. South wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Snow. The snow could be heavy at times. Low around 22. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Thursday
Snow. High near 24. North northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday
Snow. High near 23. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow. Mostly cloudy, with a high near 25.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13.
Sunday
A chance of snow. Partly sunny, with a high near 27.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 16.
Monday
A chance of snow. Partly sunny, with a high near 35.
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 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SSW Heart Butte MT
 47.93°N 113.11°W (Elev. 7192 ft)
Last Update:
2:00 pm MDT Apr 21, 2026
Forecast Valid:
3pm 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