Potomac, Montana Weather
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Weather Forecast for Potomac, Montana : Missoula County
Issued: 2:30 pm MDT Jul 15, 2025 Latitude: 46.8815967 Longitude: -113.5795332 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight Sunny on Wednesday Sunny on Thursday Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 10% chance of thunderstorms on Tuesday
Low: 39°F High: 84°F High: 90°F High: 91°F High: 92°F High: 88°F High: 85°F High: 83°F
Low: 42°F Low: 45°F Low: 47°F Low: 48°F Low: 47°F Low: 46°F  
Cloudy Sunny Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny Thunderstorms
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Current Conditions at
MISSOULA - (KMSO)
52°
Clear
as of 1:53 AM MDST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
HELENA - (KHLN)
52°
Cloudy
as of 1:53 AM MDST
Rel. Humidity: 81%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
8 MPH
280° West
Cloud Level(s): Solid Overcast at 3300ft
Current Conditions at
BUTTE - (KBTM)
48°
Cloudy
as of 1:53 AM MDST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 8 Miles
Pressure: 30.22 in.
Flight Rule: MVFR
Wind Data
3 MPH
280° West
Cloud Level(s): Few at 500ft, Broken at 1000ft, Solid Overcast at 2000ft
Current Conditions at
MULLAN PASS - (KMLP)
43°
Clear
as of 12:53 AM PDST
Rel. Humidity: 86%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
8 MPH
110° East
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 39. Calm wind.
Sunny on Wednesday Wednesday... Sunny, with a high near 84. Calm wind.
Morning Fog on Wednesday Night Wednesday Night... Patchy fog after 5am. Otherwise, mostly clear, with a low around 42. Calm wind.
Sunny on Thursday Thursday... Sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the afternoon.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 45. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Sunny on Friday Friday... Sunny, with a high near 91.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 47.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 92.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 48.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 88.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 47.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 85.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 46.
10% chance of thunderstorms Tuesday Tuesday... A slight chance of showers and thunderstorms. Partly sunny, with a high near 83.
Current Radar Image


Sun Almanac for Potomac, Montana
Sunrise: 05:57 AM
Sunset: 9:24 PM
Civil Sunrise:05:19 AM
Civil Sunset: 10:02 PM
Nautical Sunrise: 04:29 AM
Nautical Sunset: 10:52 PM
Astro Sunrise: 03:24 AM
Astro Sunset: 11:57 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.