Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

JETTE (JETM8)

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

NA

24°F

-4°C

Humidity 98%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 18 Feb 12:43 AM MST
Extended Forecast for

3 Miles ENE Big Arm MT

Winter Weather Advisory February 18, 02:00am until February 18, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: A 20 percent chance of snow after 3am.  Mostly cloudy, with a low around 16. North northeast wind 8 to 16 mph, with gusts as high as 23 mph.

    Low: 16 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly between 9am and 2pm.  Cloudy, with a high near 24. Wind chill values as low as zero. North northeast wind 16 to 20 mph, with gusts as high as 28 mph.  New snow accumulation of less than one inch possible.

    High: 24 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13. North northeast wind 11 to 13 mph.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30. North northeast wind 5 to 10 mph becoming light  in the morning.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Mostly cloudy, with a high near 35.

    High: 35 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 16. North northeast wind 8 to 16 mph, with gusts as high as 23 mph.
Wednesday
A 50 percent chance of snow, mainly between 9am and 2pm. Cloudy, with a high near 24. Wind chill values as low as zero. North northeast wind 16 to 20 mph, with gusts as high as 28 mph. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly cloudy, with a low around 13. North northeast wind 11 to 13 mph.
Thursday
Partly sunny, with a high near 30. North northeast wind 5 to 10 mph becoming light in the morning.
Thursday Night
Mostly cloudy, with a low around 19. Calm wind.
Friday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 35.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 43.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Big Arm MT
 47.83°N 114.23°W (Elev. 2890 ft)
1:01 am MST Feb 18, 2026
1am MST Feb 18, 2026-6pm MST Feb 24, 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