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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Hill I-15 MP 170.9 (MTBOU)

Lat: 46.3233°NLon: 112.06891°WElev: 5593.0ft.

NA

70°F

21°C

Humidity 28%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 01 Aug 11:45 PM MDT
Extended Forecast for

8 Miles N Basin MT

Heat Advisory August 2, 12:05am until August 2, 03:00am
Red Flag Warning until August 2, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
  •  
    Heat Advisory August 2, 12:05am until August 2, 03:00am
    Red Flag Warning until August 2, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 47 °F

    Patchy Smoke
    and Breezy

  • Sunday

    Sunday: Patchy smoke before 3pm. Sunny, with a high near 64. West wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 64 °F

    Patchy Smoke

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. West northwest wind 15 to 21 mph, with gusts as high as 31 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. North northwest wind 8 to 14 mph, with gusts as high as 18 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. North wind 6 to 9 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. Light and variable wind becoming north 5 to 7 mph in the morning.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. North northwest wind 5 to 8 mph becoming light and variable.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. South southwest wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 70 °F

    Sunny

Detailed Forecast

Overnight
Patchy smoke. Mostly clear, with a low around 47. Breezy, with a west wind 15 to 25 mph, with gusts as high as 32 mph.
Sunday
Patchy smoke before 3pm. Sunny, with a high near 64. West wind 11 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 37. West northwest wind 15 to 21 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 55. North northwest wind 8 to 14 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 36. North wind 6 to 9 mph.
Tuesday
Sunny, with a high near 63. Light and variable wind becoming north 5 to 7 mph in the morning.
Tuesday Night
Mostly clear, with a low around 40. North northwest wind 5 to 8 mph becoming light and variable.
Wednesday
Sunny, with a high near 70. South southwest wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles N Basin MT
 46.39°N 112.26°W (Elev. 8199 ft)
Last Update:
10:11 pm MDT Aug 1, 2026
Forecast Valid:
12am MDT Aug 2, 2026-6pm MDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation