Frigid Cold in the East; Snow Continues in the Great Lakes

A frigid cold airmass will continue to bring colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected to be tied or broken across the Southeast and Florida. Periods snow will continue downwind of the Great Lakes and in portions of interior New England through Tuesday afternoon, with several inches of snowfall accumulation expected. Read More >

Current conditions at

JETTE (JETM8)

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

NA

39°F

4°C

Humidity 76%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 11 Nov 10:43 PM MST
Extended Forecast for

Big Arm MT

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 5am.  Cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before 8am.  Mostly cloudy, with a high near 54. Calm wind.

    High: 54 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 55. Calm wind becoming south around 6 mph in the afternoon.

    High: 55 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 44. South wind 5 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain

  • Friday

    Friday: Rain likely before 8am, then rain and snow between 8am and 2pm, then rain after 2pm.  High near 49. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain likely.  Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain.  Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 5am. Cloudy, with a low around 40. Calm wind.
Wednesday
A 30 percent chance of rain before 8am. Mostly cloudy, with a high near 54. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 41. Calm wind.
Thursday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 55. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Rain. Low around 44. South wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely before 8am, then rain and snow between 8am and 2pm, then rain after 2pm. High near 49. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 45.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40.
Sunday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 48.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 44.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Big Arm MT
 47.8°N 114.28°W (Elev. 3061 ft)
1:02 pm MST Nov 11, 2025
11pm MST Nov 11, 2025-6pm MST Nov 18, 2025
 
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