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Iron, Montana Weather Forecast
Iron, Montana Weather
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Weather Forecast for Iron, Montana : Lewis and Clark County
Issued: 2:47 am MST Dec 17, 2025 Latitude: 46.6866031 Longitude: -112.0605558 View on Google Maps

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Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
40% chance of rain on Overnight 90% chance of rain & snow on Wednesday 30% chance of snow on Thursday 70% chance of rain & snow on Friday 10% chance of snow on Saturday Mostly Sunny on Sunday 20% chance of rain & snow on Monday 10% chance of rain & snow on Tuesday
Low: 45°F High: 45 °F High: 41°F High: 45°F High: 37°F High: 39°F High: 43°F High: 41°F
Low: 26°F Low: 32°F Low: 23°F Low: 21°F Low: 25°F Low: 23°F  
Rain Rain & Snow Snow Rain & Snow Snow Mostly Sunny Rain & Snow Rain & Snow
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Current Conditions at
HELENA - (KHLN)
54°
Partly Cloudy
as of 2:53 AM MST
Rel. Humidity: 32%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.50 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 22 MPH
240° Southwest
Cloud Level(s): Scattered at 10000ft
Current Conditions at
BUTTE - (KBTM)
43°
Cloudy
as of 2:53 AM MST
Rel. Humidity: 48%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
5 MPH
080° East
Cloud Level(s): Solid Overcast at 5000ft
Current Conditions at
GREAT FALLS - (KGTF)
50°
Feels like 43°F
Clear
as of 2:53 AM MST
Rel. Humidity: 37%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.39 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 29 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
BOZEMAN - (KBZN)
46°
Mostly Cloudy
as of 2:56 AM MST
Rel. Humidity: 36%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Scattered at 8500ft, Broken at 11000ft
40% chance of rain Overnight Overnight... A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 45. South wind around 16 mph, with gusts as high as 30 mph.

90% chance of rain & snow Wednesday Wednesday... Rain and snow before 10am, then a slight chance of snow between 10am and noon. Patchy blowing dust after 9am. Temperature rising to near 45 by 10am, then falling to around 33 during the remainder of the day. Windy, with a west wind 18 to 23 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Dust on Wednesday Night Wednesday Night... Patchy blowing dust before 8pm. Mostly cloudy, with a low around 26. Breezy, with a west wind 24 to 29 mph becoming south southwest 10 to 15 mph after midnight. Winds could gust as high as 48 mph.

30% chance of snow Thursday Thursday... A 30 percent chance of snow, mainly between 11am and 5pm. Mostly cloudy, with a high near 41. South wind 6 to 11 mph, with gusts as high as 22 mph. Little or no snow accumulation expected.

70% chance of rain & snow Thursday Night Thursday Night... Rain likely, possibly mixed with snow before 8pm, then rain likely between 8pm and 5am, then rain likely, possibly mixed with snow after 5am. Mostly cloudy, with a low around 32. South southwest wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

70% chance of rain & snow Friday Friday... Rain and snow likely before 11am, then snow likely between 11am and 2pm, then rain and snow likely after 2pm. Mostly cloudy, with a high near 45. West wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

50% chance of snow Friday Night Friday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 23. West southwest wind around 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

10% chance of snow Saturday Saturday... A slight chance of snow. Mostly sunny, with a high near 37. West southwest wind 9 to 14 mph, with gusts as high as 26 mph.

10% chance of snow Saturday Night Saturday Night... A slight chance of snow before 11pm. Partly cloudy, with a low around 21.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 39.

20% chance of rain & snow Sunday Night Sunday Night... A chance of rain and snow. Mostly cloudy, with a low around 25.

20% chance of rain & snow Monday Monday... A chance of rain and snow. Partly sunny, with a high near 43.

10% chance of rain & snow Monday Night Monday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 23.

10% chance of rain & snow Tuesday Tuesday... A slight chance of rain and snow. Partly sunny, with a high near 41.

Current Radar Image


Sun Almanac for Iron, Montana
Sunrise: 08:08 AM
Sunset: 4:41 PM
Civil Sunrise:07:33 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:54 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 06:17 AM
Astro Sunset: 6:32 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.