Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

JETTE (JETM8)

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

NA

56°F

13°C

Humidity 50%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 19 Oct 04:43 PM MDT
Extended Forecast for

Big Arm MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain.  Mostly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Friday

    Friday: Rain.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before midnight.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Calm wind.
Tuesday
Mostly sunny, with a high near 62. Calm wind.
Tuesday Night
Partly cloudy, with a low around 44. Calm wind.
Wednesday
Sunny, with a high near 63. Calm wind.
Wednesday Night
Partly cloudy, with a low around 46. Calm wind.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 63.
Thursday Night
Rain. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain before midnight. Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
A chance of rain and snow. Partly sunny, with a high near 51.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 35.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Arm MT
 47.8°N 114.28°W (Elev. 3061 ft)
2:01 pm MDT Oct 19, 2026
5pm MDT Oct 19, 2026-6pm MDT Oct 26, 2026
 
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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