Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

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

unknown precip

48°F

9°C

Humidity 41%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 17 Mar 01:15 PM MDT
Extended Forecast for

Helmville MT

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly between 2pm and 5pm.  Partly sunny, with a high near 53. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 53 °F

    Chance Rain

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Southwest wind 5 to 10 mph becoming light south southwest  after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64. Light southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of rain.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain.  Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly between 2pm and 5pm. Partly sunny, with a high near 53. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 37. Southwest wind 5 to 10 mph becoming light south southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 59. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 37. West wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 64. Light southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 69.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Partly sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Helmville MT
 46.86°N 112.97°W (Elev. 4377 ft)
12:21 pm MDT Mar 17, 2026
1pm MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database