Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

JETTE (JETM8)

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

NA

57°F

14°C

Humidity 47%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 19 Mar 02:43 PM MDT
Extended Forecast for

3 Miles NW Big Arm MT

  • This Afternoon

    This Afternoon: A 20 percent chance of rain before 4pm.  Mostly cloudy, with a high near 63. South southwest wind around 7 mph, with gusts as high as 20 mph.

    High: 63 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain before midnight, then a chance of rain after 2am.  Mostly cloudy, with a low around 44. South southwest wind around 6 mph.  Chance of precipitation is 30%.

    Low: 44 °F

    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain, mainly after noon.  Partly sunny, with a high near 64. Southwest wind 5 to 13 mph, with gusts as high as 28 mph.

    High: 64 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after midnight.  Mostly cloudy, with a low around 44. South southwest wind 6 to 10 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before noon.  Mostly cloudy, with a high near 54. Southwest wind 6 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain Likely
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain before 4pm. Mostly cloudy, with a high near 63. South southwest wind around 7 mph, with gusts as high as 20 mph.
Tonight
A slight chance of rain before midnight, then a chance of rain after 2am. Mostly cloudy, with a low around 44. South southwest wind around 6 mph. Chance of precipitation is 30%.
Friday
A 40 percent chance of rain, mainly after noon. Partly sunny, with a high near 64. Southwest wind 5 to 13 mph, with gusts as high as 28 mph.
Friday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 44. South southwest wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Saturday
Rain likely, mainly before noon. Mostly cloudy, with a high near 54. Southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Mostly cloudy, with a high near 53.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain and snow. Partly cloudy, with a low around 28.
Thursday
A slight chance of snow. Mostly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Big Arm MT
 47.84°N 114.32°W (Elev. 2940 ft)
2:11 pm MDT Mar 19, 2026
3pm MDT Mar 19, 2026-6pm MDT Mar 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database