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

65°F

18°C

Humidity 28%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 20 Mar 12:43 PM MDT
Extended Forecast for

6 Miles NNE Big Arm MT

  • This Afternoon

    This Afternoon: A slight chance of rain before 2pm, then a chance of rain after 3pm. Partly sunny, with a high near 62. Southwest wind 13 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    High: 62 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly after 3am. Mostly cloudy, with a low around 48. South southwest wind 6 to 14 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 54. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%.

    High: 54 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. South southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 52 °F

    Sunny

  • Sunday Night

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

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after noon. Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
A slight chance of rain before 2pm, then a chance of rain after 3pm. Partly sunny, with a high near 62. Southwest wind 13 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Tonight
Rain likely, mainly after 3am. Mostly cloudy, with a low around 48. South southwest wind 6 to 14 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.
Saturday
Rain likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 54. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%.
Saturday Night
Mostly clear, with a low around 36. South southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Sunday
Sunny, with a high near 52. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
A chance of rain after noon. Mostly cloudy, with a high near 54.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 53.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 35.
Thursday
A slight chance of snow. Mostly sunny, with a high near 46.
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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:
12:21 pm MDT Mar 20, 2026
Forecast Valid:
1pm MDT Mar 20, 2026-6pm MDT Mar 26, 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