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

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

NA

64°F

18°C

Humidity 25%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 05 Oct 07:18 PM MDT
Extended Forecast for

4 Miles SW Box Elder MT

  • Tonight

    Tonight: Mostly clear, with a low around 46. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. Light east northeast wind.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Light and variable wind becoming east northeast around 5 mph after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. South southeast wind 5 to 10 mph, with gusts as high as 24 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 46. West wind 5 to 7 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 73. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 42. Calm wind.
Wednesday
Mostly sunny, with a high near 71. Calm wind.
Wednesday Night
Partly cloudy, with a low around 40. Light east northeast wind.
Thursday
Mostly sunny, with a high near 69. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 42. Light and variable wind becoming east northeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 76. South southeast wind 5 to 10 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 58.
Saturday Night
Rain and snow likely. Cloudy, with a low around 31.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Columbus Day
A slight chance of rain and snow. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Box Elder MT
 48.26°N 110.06°W (Elev. 2680 ft)
4:46 am MDT Oct 5, 2026
8pm MDT Oct 5, 2026-6pm MDT Oct 12, 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