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

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

39°F

4°C

Humidity 38%
Wind Speed WNW 26 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 16 Apr 06:20 PM MDT
Extended Forecast for

Montana City MT

  • Tonight

    Tonight: A chance of snow between 7pm and 4am. Mostly cloudy, with a low around 24. West northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly between 10am and 3pm, then snow showers likely after 3pm. Some thunder is also possible. Patchy fog before 7am. Otherwise, partly sunny, with a high near 43. West southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow Likely
    and Patchy
    Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. North wind 5 to 9 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58. Light and variable wind becoming west 5 to 9 mph in the afternoon.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. West wind 5 to 8 mph becoming south after midnight.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. South southwest wind 5 to 8 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of snow between 7pm and 4am. Mostly cloudy, with a low around 24. West northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow likely, mainly between 10am and 3pm, then snow showers likely after 3pm. Some thunder is also possible. Patchy fog before 7am. Otherwise, partly sunny, with a high near 43. West southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 24. North wind 5 to 9 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 58. Light and variable wind becoming west 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 30. West wind 5 to 8 mph becoming south after midnight.
Sunday
Mostly sunny, with a high near 68. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 38. South southwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 72. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 75.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Wednesday
A chance of rain. Partly sunny, with a high near 68.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Thursday
Rain likely. Mostly cloudy, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montana City MT
 46.53°N 111.94°W (Elev. 4199 ft)
Last Update:
4:36 pm MDT Apr 16, 2026
Forecast Valid:
6pm MDT Apr 16, 2026-6pm MDT Apr 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation