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Grass Range, Montana Weather Forecast
Grass Range, Montana Weather
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Click for High Wind Warning for Grass Range, Montana
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Weather Forecast for Grass Range, Montana : Fergus County
Issued: 4:03 am MST Dec 17, 2025 Latitude: 47.0260843 Longitude: -108.8045896 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight 50% chance of rain on Wednesday Increasing Clouds on Thursday 30% chance of snow on Friday 10% chance of snow on Saturday Mostly Sunny on Sunday 10% chance of rain & snow on Monday Partly Sunny on Tuesday
Low: 46°F High: 51 °F High: 41°F High: 50°F High: 38°F High: 41°F High: 43°F High: 41°F
Low: 20°F Low: 32°F Low: 20°F Low: 24°F Low: 27°F Low: 24°F  
Cloudy Rain Increasing Clouds Snow Snow Mostly Sunny Rain & Snow Partly Sunny
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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
Current Conditions at
BILLINGS - (KBIL)
46°
Partly Cloudy
as of 4:53 AM MST
Rel. Humidity: 42%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.46 in.
Flight Rule: VFR
Wind Data
8 MPH
250° West
Cloud Level(s): Scattered at 21000ft
Current Conditions at
JORDAN - (KJDN)
39°
Feels like 33°F
Clear
as of 4:48 AM MST
Rel. Humidity: 69%
Dew Point: 30°F
Pressure: 29.41 in.
Wind Data
9 MPH
210° Southwest
Current Conditions at
HAVRE - (KHVR)
48°
Partly Cloudy
as of 4:53 AM MST
Rel. Humidity: 45%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.24 in.
Flight Rule: VFR
Wind Data
8 MPH
230° Southwest
Cloud Level(s): Scattered at 11000ft
Cloudy on Overnight Overnight... Cloudy, with a steady temperature around 46. South wind around 17 mph, with gusts as high as 24 mph.
50% chance of rain Wednesday Wednesday... A chance of rain between 8am and 11am. Patchy blowing dust after noon. Cloudy through mid morning, then gradual clearing, with a temperature rising to near 51 by 10am, then falling to around 35 during the remainder of the day. Windy, with a west wind 20 to 30 mph increasing to 33 to 43 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 50%.
Dust on Wednesday Night Wednesday Night... Patchy blowing dust before 11pm. Partly cloudy, with a low around 20. Windy, with a west northwest wind 33 to 43 mph decreasing to 17 to 27 mph. Winds could gust as high as 60 mph.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 41. West wind 8 to 11 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 32. Breezy, with a south wind 14 to 22 mph, with gusts as high as 32 mph.
30% chance of snow Friday Friday... A 30 percent chance of snow after 11am. Partly sunny, with a high near 50. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
40% chance of snow Friday Night Friday Night... A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 20. West northwest wind 8 to 13 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 before 11am. Mostly sunny, with a high near 38. West wind 8 to 14 mph, with gusts as high as 21 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 24.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 41.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 27.
10% chance of rain & snow Monday Monday... A slight chance of rain and snow. Mostly cloudy, with a high near 43.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 24.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 41.
Current Radar Image


Sun Almanac for Grass Range, Montana
Sunrise: 07:56 AM
Sunset: 4:27 PM
Civil Sunrise:07:21 AM
Civil Sunset: 5:02 PM
Nautical Sunrise: 06:42 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 06:05 AM
Astro Sunset: 6:18 PM
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