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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

JETTE (JETM8)

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

NA

29°F

-2°C

Humidity 73%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 28 Jan 01:43 AM MST
Extended Forecast for

3 Miles ENE Big Arm MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before 4pm, then a slight chance of rain between 4pm and 5pm, then a slight chance of rain and snow after 5pm. Cloudy, with a high near 38. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow between 2am and 3am. Mostly cloudy, with a low around 33. South southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: A 20 percent chance of rain after 11am. Cloudy, with a high near 41. Calm wind.

    High: 41 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Cloudy

  • Friday

    Friday: A 30 percent chance of rain after 11am. Cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain. Cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. Calm wind.
Wednesday
A chance of rain and snow before 4pm, then a slight chance of rain between 4pm and 5pm, then a slight chance of rain and snow after 5pm. Cloudy, with a high near 38. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A slight chance of rain and snow between 2am and 3am. Mostly cloudy, with a low around 33. South southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.
Thursday
A 20 percent chance of rain after 11am. Cloudy, with a high near 41. Calm wind.
Thursday Night
Cloudy, with a low around 37. Calm wind.
Friday
A 30 percent chance of rain after 11am. Cloudy, with a high near 45.
Friday Night
A 20 percent chance of rain. Cloudy, with a low around 39.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly cloudy, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A slight chance of rain. Mostly cloudy, with a high near 45.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Big Arm MT
 47.83°N 114.23°W (Elev. 2890 ft)
Last Update:
2:07 am MST Jan 28, 2026
Forecast Valid:
2am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
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