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Sumner, Montana Weather Forecast
Sumner, Montana Weather
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Weather Forecast for Sumner, Montana : Phillips County
Issued: 1:50 pm MST Dec 16, 2025 Latitude: 48.779728 Longitude: -108.104285 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
30% chance of freezing rain on Overnight 80% chance of blowing snow on Wednesday Increasing Clouds on Thursday 20% chance of rain on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday 10% chance of snow on Monday Partly Sunny on Tuesday
Low: 27°F High: 40 °F High: 28°F High: 40°F High: 19°F High: 23°F High: 26°F High: 25°F
Low: 0 °F Low: 18°F Low: 3 °F Low: 6 °F Low: 8 °F Low: 5°F  
Freezing Rain Blowing Snow Increasing Clouds Rain Mostly Sunny Mostly Sunny Snow Partly Sunny
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Current Conditions at
HAVRE - (KHVR)
45°
Feels like 38°F
Mostly Clear
as of 1:53 AM MST
Rel. Humidity: 65%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.45 in.
Flight Rule: VFR
Wind Data
14 MPH
210° Southwest
Cloud Level(s): Few at 11000ft
Current Conditions at
GLASGOW - (KGGW)
28°
Feels like 17°F
Clear
as of 1:53 AM MST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
13 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
JORDAN - (KJDN)
36°
Clear
as of 1:48 AM MST
Rel. Humidity: 80%
Dew Point: 30°F
Pressure: 29.58 in.
Wind Data
3 MPH
130° Southeast
Current Conditions at
WOLF POINT - (KOLF)
21°
Clear
as of 1:53 AM MST
Rel. Humidity: 100%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.59 in.
Flight Rule: VFR
Wind Data
5 MPH
080° East
Cloud Level(s): Clear
30% chance of freezing rain Overnight Overnight... A chance of freezing rain after 5am. Cloudy, with a low around 27. South wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

80% chance of blowing snow Wednesday Wednesday... Rain or freezing rain before 1pm, then a chance of snow showers after 2pm. Areas of blowing snow after 4pm. Temperature rising to near 40 by 11am, then falling to around 25 during the remainder of the day. Very windy, with a south wind 16 to 26 mph becoming west 37 to 47 mph. Winds could gust as high as 65 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

50% chance of blowing snow Wednesday Night Wednesday Night... A 50 percent chance of snow showers before 2am. Areas of blowing snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 0. Wind chill values between -10 and -20. Very windy, with a northwest wind 37 to 47 mph decreasing to 15 to 25 mph. Winds could gust as high as 65 mph. New snow accumulation of less than one inch possible.

Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 28. Wind chill values between -5 and 5. West northwest wind 5 to 11 mph becoming south southeast in the morning.

40% chance of rain & snow Thursday Night Thursday Night... A chance of snow before 2am, then a chance of rain. Mostly cloudy, with a low around 18. South southeast wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

20% chance of rain Friday Friday... A 20 percent chance of rain before 11am. Partly sunny, with a high near 40. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 33 mph.

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow. Mostly cloudy, with a low around 3. Northwest wind 8 to 16 mph, with gusts as high as 26 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 19. Northwest wind 6 to 9 mph becoming south southwest in the afternoon.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 6. South wind around 9 mph becoming west southwest after midnight.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 23. West wind around 8 mph becoming east southeast in the afternoon.

20% chance of snow Sunday Night Sunday Night... A 20 percent chance of snow. Mostly cloudy, with a low around 8. South southeast wind around 8 mph.

10% chance of snow Monday Monday... A slight chance of snow. Mostly cloudy, with a high near 26.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 5.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 25.

Current Radar Image


Sun Almanac for Sumner, Montana
Sunrise: 08:01 AM
Sunset: 4:17 PM
Civil Sunrise:07:24 AM
Civil Sunset: 4:54 PM
Nautical Sunrise: 06:43 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 06:05 AM
Astro Sunset: 6:13 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.