Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

JETTE (JETM8)

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

NA

34°F

1°C

Humidity 100%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 07 Dec 04:43 PM MST
Extended Forecast for

5 Miles NE Big Arm MT

Wind Advisory December 8, 11:00pm until December 9, 08:00am
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: Rain.  High near 42. South wind around 10 mph.  Chance of precipitation is 90%.

    High: 42 °F

    Rain

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 38. South wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Chance Rain

  • Monday

    Monday: Rain.  High near 45. South wind 11 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Low around 41. South wind 13 to 21 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 46. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain Likely
    and Breezy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain before 2am, then rain, possibly mixed with snow.  Patchy fog after 11pm. Low around 36. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain and
    Patchy Fog
    then
    Rain/Snow and
    Patchy Fog

  • Wednesday

    Wednesday: Rain, possibly mixed with snow before 11am, then rain between 11am and 2pm, then rain, possibly mixed with snow after 2pm.  Patchy fog before 8am. High near 43. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 2am.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 33.

    High: 33 °F

    Snow Likely

Detailed Forecast

This Afternoon
Rain. High near 42. South wind around 10 mph. Chance of precipitation is 90%.
Tonight
A 50 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 38. South wind 11 to 15 mph, with gusts as high as 23 mph.
Monday
Rain. High near 45. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 41. South wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 46. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain before 2am, then rain, possibly mixed with snow. Patchy fog after 11pm. Low around 36. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow before 11am, then rain between 11am and 2pm, then rain, possibly mixed with snow after 2pm. Patchy fog before 8am. High near 43. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow likely, becoming all snow after 2am. Mostly cloudy, with a low around 28.
Thursday
Snow likely. Mostly cloudy, with a high near 33.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 27.
Friday
A chance of rain and snow. Cloudy, with a high near 35.
Friday Night
A chance of rain and snow. Cloudy, with a low around 33.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 41.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Big Arm MT
 47.85°N 114.2°W (Elev. 2995 ft)
1:01 pm MST Dec 7, 2025
5pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
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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