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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

24°F

-4°C

Humidity 98%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 01 Jan 08:43 PM MST
Extended Forecast for

5 Miles NE Big Arm MT

Winter Weather Advisory until January 2, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 2, 12:00pm

    NOW until 12:00pm Fri

    Winter Weather Advisory

  • Tonight

    Low: 30 °F

    Chance Wintry
    Mix and
    Patchy Fog

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 8am. Areas of fog between 10am and 3pm. High near 42. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow and
    Areas Fog
    then Rain and
    Patchy Fog

  • Friday Night

    Friday Night: A 10 percent chance of rain before 11pm. Mostly cloudy, with a low around 37. South wind 3 to 6 mph.

    Low: 37 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.

    High: 44 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 38. South wind around 6 mph.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.

    High: 45 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain Likely

Detailed Forecast

Tonight
A chance of rain, snow, and freezing rain, mainly before 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 30. Calm wind. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Rain, possibly mixed with snow, becoming all rain after 8am. Areas of fog between 10am and 3pm. High near 42. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
A 10 percent chance of rain before 11pm. Mostly cloudy, with a low around 37. South wind 3 to 6 mph.
Saturday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38. South wind around 6 mph.
Sunday
Rain likely. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Monday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 43.
Monday Night
A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain and snow before 8am, then a chance of snow between 8am and 2pm, then a chance of rain and snow after 2pm. Mostly cloudy, with a high near 41.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 41.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Thursday
A chance of snow. Mostly cloudy, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Big Arm MT
 47.85°N 114.2°W (Elev. 2995 ft)
Last Update:
1:01 pm MST Jan 1, 2026
Forecast Valid:
9pm MST Jan 1, 2026-6pm MST Jan 8, 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