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

38°F

3°C

Humidity 67%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 22 Mar 12:43 AM MDT
Extended Forecast for

3 Miles NW Big Arm MT

  • Overnight

    Overnight: Mostly clear, with a low around 31. South southwest wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52. South southwest wind 5 to 7 mph.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 31. Southwest wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Light southwest wind.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after noon. High near 53. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before midnight. Low around 41. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Partly sunny, with a high near 51.

    High: 51 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 31. South southwest wind around 5 mph.
Sunday
Sunny, with a high near 52. South southwest wind 5 to 7 mph.
Sunday Night
Increasing clouds, with a low around 31. Southwest wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 56. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 39. Light southwest wind.
Tuesday
Rain, mainly after noon. High near 53. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain, mainly before midnight. Low around 41. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly before noon. Partly sunny, with a high near 51.
Wednesday Night
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 31.
Thursday
A slight chance of snow before noon. Mostly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Big Arm MT
 47.84°N 114.32°W (Elev. 2940 ft)
Last Update:
12:22 am MDT Mar 22, 2026
Forecast Valid:
1am MDT Mar 22, 2026-6pm MDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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