National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

NA

51°F

11°C

Humidity 52%
Wind Speed SW 17 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 18 Mar 04:18 AM MDT
Extended Forecast for

4 Miles ESE Big Sandy MT

  • Overnight

    Overnight: A 20 percent chance of rain after 5am. Mostly cloudy, with a low around 42. Southwest wind around 14 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 7am. Mostly cloudy, with a high near 65. South southwest wind 13 to 21 mph, with gusts as high as 32 mph.

    High: 65 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. West wind 9 to 18 mph becoming south after midnight. Winds could gust as high as 28 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69. South southwest wind 10 to 18 mph, with gusts as high as 30 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 68. Southwest wind 8 to 17 mph, with gusts as high as 33 mph.

    High: 68 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. West southwest wind 10 to 18 mph, with gusts as high as 29 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 56. West wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 56 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain after 5am. Mostly cloudy, with a low around 42. Southwest wind around 14 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of rain, mainly before 7am. Mostly cloudy, with a high near 65. South southwest wind 13 to 21 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly cloudy, with a low around 43. West wind 9 to 18 mph becoming south after midnight. Winds could gust as high as 28 mph.
Thursday
Partly sunny, with a high near 69. South southwest wind 10 to 18 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 45. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, with a high near 68. Southwest wind 8 to 17 mph, with gusts as high as 33 mph.
Friday Night
Mostly cloudy, with a low around 44. West southwest wind 10 to 18 mph, with gusts as high as 29 mph.
Saturday
Mostly cloudy, with a high near 56. West wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Big Sandy MT
 48.16°N 110.04°W (Elev. 2825 ft)
Last Update:
1:27 am MDT Mar 18, 2026
Forecast Valid:
4am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation