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Monarch, Montana Weather Forecast
Monarch, Montana Weather
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Weather Forecast for Monarch, Montana : Cascade County
Issued: 4:03 am MST Dec 17, 2025 Latitude: 47.0982951 Longitude: -110.8385547 View on Google Maps

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Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
20% chance of rain on Overnight 80% chance of rain & snow on Wednesday 30% chance of snow on Thursday 60% 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: 46°F High: 30 °F High: 42°F High: 45°F High: 34°F High: 39°F High: 42°F High: 42°F
Low: 22°F Low: 31°F Low: 21°F Low: 22°F Low: 28°F Low: 25°F  
Rain Rain & Snow Snow Rain & Snow Snow Mostly Sunny Rain & Snow Rain & Snow
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Current Conditions at
GREAT FALLS - (KGTF)
52°
Clear
as of 4:53 AM MST
Rel. Humidity: 40%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.22 in.
Flight Rule: VFR
Wind Data
32 MPH
Gust: 44 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
HELENA - (KHLN)
54°
Mostly Cloudy
as of 4:53 AM MST
Rel. Humidity: 37%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.38 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 36 MPH
210° Southwest
Cloud Level(s): Scattered at 8500ft, Broken at 11000ft
Current Conditions at
LEWISTOWN - (KLWT)
50°
Feels like 42°F
Clear
as of 4:54 AM MST
Rel. Humidity: 31%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.37 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 33 MPH
210° Southwest
Cloud Level(s): Clear
20% chance of rain Overnight Overnight... A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 46. South southwest wind around 17 mph, with gusts as high as 34 mph.

80% chance of rain & snow Wednesday Wednesday... Rain and snow before noon, then a slight chance of snow after 2pm. Patchy blowing dust after 10am. Temperature falling to around 30 by 5pm. Windy, with a west wind 18 to 23 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 22. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 46 mph.

30% chance of snow Thursday Thursday... A 30 percent chance of snow after 11am. Partly sunny, with a high near 42. South southwest wind around 10 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

60% chance of rain & snow Thursday Night Thursday Night... Rain likely, possibly mixed with snow, mainly after 5am. Mostly cloudy, with a low around 31. Southwest wind 11 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

60% chance of rain & snow Friday Friday... Rain and snow likely, becoming all snow after 8am. Mostly cloudy, with a high near 45. West wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. 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 21. West southwest wind 8 to 10 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

10% chance of snow Saturday Saturday... A slight chance of snow before 11am. Mostly sunny, with a high near 34. West southwest wind 9 to 14 mph, with gusts as high as 26 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 22.

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

20% chance of snow Sunday Night Sunday Night... A chance of snow. Mostly cloudy, with a low around 28.

20% chance of rain & snow Monday Monday... A chance of rain and snow. Partly sunny, with a high near 42.

10% chance of snow Monday Night Monday Night... A slight chance of snow. Mostly cloudy, with a low around 25.

10% chance of rain & snow Tuesday Tuesday... A slight chance of rain and snow. Partly sunny, with a high near 42.

Current Radar Image


Sun Almanac for Monarch, Montana
Sunrise: 08:05 AM
Sunset: 4:35 PM
Civil Sunrise:07:29 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:50 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 06:13 AM
Astro Sunset: 6:26 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.