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

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

NA

93°F

34°C

Humidity 14%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index89°F (32°C)
Last update 31 Jul 06:15 PM MDT
Extended Forecast for

6 Miles N Helmville MT

Red Flag Warning August 1, 02:00pm until August 2, 12:00am
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 54. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 54 °F

    Patchy Smoke

  • Saturday

    Saturday: Patchy smoke. Sunny, with a high near 95. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 95 °F

    Patchy Smoke

  • Saturday Night

    Saturday Night: Patchy smoke before 11pm. Mostly clear, with a low around 49. West wind 13 to 18 mph, with gusts as high as 36 mph.

    Low: 49 °F

    Patchy Smoke
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 77. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41. West wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke. Mostly clear, with a low around 54. West northwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Patchy smoke. Sunny, with a high near 95. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
Patchy smoke before 11pm. Mostly clear, with a low around 49. West wind 13 to 18 mph, with gusts as high as 36 mph.
Sunday
Sunny, with a high near 77. West wind 10 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 41. West wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Helmville MT
 46.95°N 112.95°W (Elev. 4390 ft)
Last Update:
2:00 pm MDT Jul 31, 2026
Forecast Valid:
6pm MDT Jul 31, 2026-6pm MDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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