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Simms, Montana Weather Forecast
Simms, Montana Weather
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Weather Forecast for Simms, Montana : Cascade County
Issued: 2:47 am MST Dec 17, 2025 Latitude: 47.4916167 Longitude: -111.9280495 View on Google Maps

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Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
30% chance of rain on Overnight 70% chance of rain on Wednesday 30% chance of snow on Thursday 40% 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: 50°F High: 35 °F High: 45°F High: 47°F High: 40°F High: 41°F High: 42°F High: 42°F
Low: 27°F Low: 37°F Low: 23°F Low: 25°F Low: 27°F Low: 24°F  
Rain Rain Snow Rain & Snow Snow Mostly Sunny Rain & Snow Rain & Snow
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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
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
CUTBANK - (KCTB)
43°
Feels like 32°F
Clear
as of 2:56 AM MST
Rel. Humidity: 60%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.29 in.
Flight Rule: VFR
Wind Data
29 MPH
Gust: 41 MPH
230° Southwest
Cloud Level(s): Clear
30% chance of rain Overnight Overnight... A 30 percent chance of rain. Patchy blowing dust after 5am. Mostly cloudy, with a steady temperature around 50. Windy, with a southwest wind around 31 mph, with gusts as high as 45 mph.

70% chance of rain Wednesday Wednesday... Rain likely, mainly before 8am. Patchy blowing dust. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 35 by 5pm. Very windy, with a west wind 34 to 39 mph increasing to 45 to 50 mph in the morning. Winds could gust as high as 65 mph. Chance of precipitation is 70%.

Dust on Wednesday Night Wednesday Night... Patchy blowing dust before 9pm. Partly cloudy, with a low around 27. Windy, with a west wind 29 to 34 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 50 mph.

30% chance of snow Thursday Thursday... A 30 percent chance of snow after 5pm. Mostly cloudy, with a high near 45. South southwest wind 16 to 21 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.

50% chance of rain & snow Thursday Night Thursday Night... A chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a low around 37. Windy, with a southwest wind 18 to 23 mph increasing to 26 to 31 mph in the evening. Winds could gust as high as 47 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

40% chance of rain & snow Friday Friday... A chance of rain and snow before 8am, then a chance of snow. Partly sunny, with a high near 47. Breezy, with a west wind 22 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

30% chance of snow Friday Night Friday Night... A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 23. West southwest wind 11 to 14 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.

10% chance of snow Saturday Saturday... A slight chance of snow before 11am. Mostly sunny, with a high near 40. Breezy, with a west southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 34 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 25.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 41.

20% chance of snow Sunday Night Sunday Night... A chance of snow. Mostly cloudy, with a low around 27.

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

10% chance of rain & snow Monday Night Monday Night... A slight chance of rain and snow. Partly cloudy, with a low around 24.

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

Current Radar Image


Sun Almanac for Simms, Montana
Sunrise: 08:11 AM
Sunset: 4:38 PM
Civil Sunrise:07:35 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:55 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 06:18 AM
Astro Sunset: 6:30 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.