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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

JETTE (JETM8)

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

NA

53°F

12°C

Humidity 48%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 21 Mar 03:43 PM MDT
Extended Forecast for

6 Miles NNE Big Arm MT

  • Tonight

    Tonight: Partly cloudy, with a low around 37. South southwest wind 6 to 16 mph, with gusts as high as 31 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 51. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after noon. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Partly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. South southwest wind 6 to 16 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 51. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 36. Southwest wind 5 to 8 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 55. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 43. Calm wind.
Tuesday
Rain, mainly after noon. High near 53. Chance of precipitation is 80%.
Tuesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Big Arm MT
 47.87°N 114.23°W (Elev. 2890 ft)
Last Update:
2:01 pm MDT Mar 21, 2026
Forecast Valid:
4pm MDT Mar 21, 2026-6pm MDT Mar 28, 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