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

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

JETTE (JETM8)

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

NA

29°F

-2°C

Humidity 97%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 03 Dec 10:43 AM MST
Extended Forecast for

5 Miles NE Big Arm MT

  • Today

    Today: A 10 percent chance of snow after 4pm. Mostly cloudy, with a high near 33. South southwest wind around 6 mph.

    High: 33 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 11pm. Cloudy, with a low around 29. South southwest wind around 6 mph. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Thursday

    Thursday: Snow before 2pm, then rain, possibly mixed with snow. High near 36. South southwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow then
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm, then a chance of snow. Cloudy, with a low around 31. Light southwest wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow before 11am, then rain, possibly mixed with snow. High near 38. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow before 11pm, then rain, possibly mixed with snow and freezing rain. Low around 35. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Wintry Mix

  • Saturday

    Saturday: Rain, possibly mixed with snow and freezing rain, becoming all rain after 8am. High near 40. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Wintry Mix
    then Rain

  • Saturday Night

    Saturday Night: Rain likely. Cloudy, with a low around 35.

    Low: 35 °F

    Rain Likely

  • Sunday

    Sunday: A chance of rain before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am. Cloudy, with a high near 40.

    High: 40 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Today
A 10 percent chance of snow after 4pm. Mostly cloudy, with a high near 33. South southwest wind around 6 mph.
Tonight
A 30 percent chance of snow, mainly after 11pm. Cloudy, with a low around 29. South southwest wind around 6 mph. New snow accumulation of less than a half inch possible.
Thursday
Snow before 2pm, then rain, possibly mixed with snow. High near 36. South southwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow before 11pm, then a chance of snow. Cloudy, with a low around 31. Light southwest wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 11am, then rain, possibly mixed with snow. High near 38. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Rain, possibly mixed with snow before 11pm, then rain, possibly mixed with snow and freezing rain. Low around 35. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday
Rain, possibly mixed with snow and freezing rain, becoming all rain after 8am. High near 40. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
Rain likely. Cloudy, with a low around 35.
Sunday
A chance of rain before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am. Cloudy, with a high near 40.
Sunday Night
Rain. Mostly cloudy, with a low around 37.
Monday
A chance of rain. Mostly cloudy, with a high near 41.
Monday Night
Rain likely. Cloudy, with a low around 39.
Tuesday
Rain. Cloudy, with a high near 46.
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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 am MST Dec 3, 2025
Forecast Valid:
11am MST Dec 3, 2025-6pm MST Dec 9, 2025
 
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