October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Sweetgrass I-15 MP 395.3 (MTSWT)

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

NA

75°F

24°C

Humidity 14%
Wind Speed NNE 22 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 06 Oct 04:00 PM MDT
Extended Forecast for

9 Miles W Sunburst MT

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 42. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. North northwest wind 5 to 9 mph becoming southeast in the afternoon.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. East wind 5 to 9 mph becoming southwest after midnight.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. Southwest wind 5 to 8 mph.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 71. Breezy, with a southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 71 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 40 percent chance of rain after midnight.  Mostly cloudy, with a low around 36. West southwest wind 18 to 21 mph becoming northwest after midnight. Winds could gust as high as 31 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain and snow before 9am, then a chance of snow.  Mostly cloudy, with a high near 44. Breezy, with a northwest wind around 24 mph, with gusts as high as 33 mph.

    High: 44 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow.  Cloudy, with a low around 27. Windy.

    Low: 27 °F

    Snow and
    Windy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 42. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 63. North northwest wind 5 to 9 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 43. East wind 5 to 9 mph becoming southwest after midnight.
Thursday
Mostly sunny, with a high near 71. Southwest wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 49. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.
Friday
Partly sunny, with a high near 71. Breezy, with a southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph.
Friday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 36. West southwest wind 18 to 21 mph becoming northwest after midnight. Winds could gust as high as 31 mph.
Saturday
A chance of rain and snow before 9am, then a chance of snow. Mostly cloudy, with a high near 44. Breezy, with a northwest wind around 24 mph, with gusts as high as 33 mph.
Saturday Night
Snow. Cloudy, with a low around 27. Windy.
Sunday
Snow likely, mainly before noon. Mostly cloudy, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23.
Columbus Day
A slight chance of snow. Mostly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles W Sunburst MT
 48.9°N 112.1°W (Elev. 3999 ft)
12:31 pm MDT Oct 6, 2026
4pm MDT Oct 6, 2026-6pm MDT Oct 13, 2026
 
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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