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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

34°F

1°C

Humidity NA
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

12 Miles W Marysville MT

  • Overnight

    Overnight: A 30 percent chance of snow showers, mainly before 5am. Mostly cloudy, with a low around 28. Southwest wind around 17 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of around an inch possible.

    Low: 28 °F

    Chance Snow
    Showers

  • Monday

    Monday: Snow showers likely, mainly after 5pm. Increasing clouds, with a high near 33. Breezy, with a west wind 18 to 26 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 26. Windy, with a west wind 26 to 30 mph, with gusts as high as 33 mph. New snow accumulation of around an inch possible.

    Low: 26 °F

    Chance Snow
    Showers and
    Windy then
    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 35. Breezy, with a west wind 26 to 29 mph, with gusts as high as 36 mph.

    High: 35 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 28. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 36 mph. Little or no snow accumulation expected.

    Low: 28 °F

    Mostly Cloudy
    and Windy
    then Chance
    Snow Showers
    and Breezy

  • Wednesday

    Wednesday: Snow showers, mainly after noon. High near 34. Breezy. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 34 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 18. Breezy. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 18 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers. Cloudy, with a high near 20. Breezy.

    High: 20 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Snow Likely

Detailed Forecast

Overnight
A 30 percent chance of snow showers, mainly before 5am. Mostly cloudy, with a low around 28. Southwest wind around 17 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of around an inch possible.
Monday
Snow showers likely, mainly after 5pm. Increasing clouds, with a high near 33. Breezy, with a west wind 18 to 26 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
A 30 percent chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 26. Windy, with a west wind 26 to 30 mph, with gusts as high as 33 mph. New snow accumulation of around an inch possible.
Tuesday
Mostly cloudy, with a high near 35. Breezy, with a west wind 26 to 29 mph, with gusts as high as 36 mph.
Tuesday Night
A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 28. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 36 mph. Little or no snow accumulation expected.
Wednesday
Snow showers, mainly after noon. High near 34. Breezy. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday Night
Snow showers. Low around 18. Breezy. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow showers. Cloudy, with a high near 20. Breezy.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 14.
Friday
Snow likely. Mostly cloudy, with a high near 26.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 17.
Saturday
A slight chance of snow. Mostly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of snow. Partly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
Last Update:
2:01 am MDT Apr 13, 2026
Forecast Valid:
3am MDT Apr 13, 2026-6pm MDT Apr 19, 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