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

Tracking Storms with Impacts in the Eastern and Northwest U.S. into Friday

A storm will track north of the Great Lakes Friday with widespread rain showers across the Eastern U.S. along and ahead of its cold front. Further south along the front isolated severe thunderstorms are possible. A Pacific storm will continue moving across the Northwest U.S. into Friday with additional low elevation rain, gusty winds, and mountain snow. Read More >

Current conditions at

JETTE (JETM8)

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

NA

44°F

7°C

Humidity 75%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 06 Nov 05:43 PM MST
Extended Forecast for

Big Arm MT

  • Tonight

    Tonight: Rain, mainly after 2am. Low around 40. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Slight Chance
    Rain then
    Rain

  • Friday

    Friday: Rain likely, mainly after 2pm. Partly sunny, with a high near 46. South southwest wind 10 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain and snow before 11pm. Mostly cloudy, with a low around 33. Southwest wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. Light south southwest wind.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain after 11am. Mostly cloudy, with a high near 50.

    High: 50 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly after 2am. Low around 40. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly after 2pm. Partly sunny, with a high near 46. South southwest wind 10 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow before 11pm. Mostly cloudy, with a low around 33. Southwest wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 44. Light south southwest wind.
Saturday Night
Partly cloudy, with a low around 32. Calm wind.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A slight chance of rain after 11am. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain. Mostly cloudy, with a low around 42.
Veterans Day
A slight chance of rain after 11am. Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Big Arm MT
 47.8°N 114.28°W (Elev. 3061 ft)
Last Update:
1:01 pm MST Nov 6, 2025
Forecast Valid:
6pm MST Nov 6, 2025-6pm MST Nov 13, 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