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 >

Hazardous Weather Conditions

Current conditions at

Sweetgrass I-15 MP 395.3 (MTSWT)

Lat: 48.96017°NLon: 111.94071°WElev: 3471.0ft.

NA

52°F

11°C

Humidity 59%
Wind Speed E 17 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 20 Mar 08:45 AM MDT
Extended Forecast for

9 Miles NNW Sunburst MT

High Wind Warning until March 21, 12:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning until March 21, 12:00pm

    NOW until 12:00pm Sat

    High Wind Warning

  • Today

    High: 71 °F

    Decreasing
    Clouds and
    Windy

  • Tonight

    Tonight: Patchy blowing dust before 3am. Partly cloudy, with a low around 47. Windy, with a west southwest wind 34 to 39 mph decreasing to 28 to 33 mph after midnight. Winds could gust as high as 60 mph.

    Low: 47 °F

    Patchy
    Blowing Dust
    and Windy

  • Saturday

    Saturday: A chance of rain and snow before 3pm, then a slight chance of rain and snow after 5pm. Cloudy, with a temperature falling to around 40 by 5pm. Breezy, with a west wind 16 to 25 mph becoming north in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F⇓

    Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. North wind 6 to 15 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 49. West southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. West southwest wind 9 to 18 mph, with gusts as high as 28 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 50. West southwest wind 7 to 15 mph, with gusts as high as 21 mph.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. West northwest wind 9 to 14 mph becoming south southwest after midnight. Winds could gust as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 71. Windy, with a west southwest wind 16 to 26 mph increasing to 27 to 37 mph in the afternoon. Winds could gust as high as 55 mph.
Tonight
Patchy blowing dust before 3am. Partly cloudy, with a low around 47. Windy, with a west southwest wind 34 to 39 mph decreasing to 28 to 33 mph after midnight. Winds could gust as high as 60 mph.
Saturday
A chance of rain and snow before 3pm, then a slight chance of rain and snow after 5pm. Cloudy, with a temperature falling to around 40 by 5pm. Breezy, with a west wind 16 to 25 mph becoming north in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Partly cloudy, with a low around 23. North wind 6 to 15 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 49. West southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 25. West southwest wind 9 to 18 mph, with gusts as high as 28 mph.
Monday
Partly sunny, with a high near 50. West southwest wind 7 to 15 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 27. West northwest wind 9 to 14 mph becoming south southwest after midnight. Winds could gust as high as 21 mph.
Tuesday
A slight chance of snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly cloudy, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 41. Breezy.
Wednesday
Mostly sunny, with a high near 56. Windy.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 23. Blustery.
Thursday
A slight chance of snow. Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Sunburst MT
 48.99°N 111.96°W (Elev. 3579 ft)
Last Update:
4:01 am MDT Mar 20, 2026
Forecast Valid:
9am 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