Potomac, Montana Weather
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Weather Forecast for Potomac, Montana : Missoula County
Issued: 3:30 am MDT May 11, 2025 Latitude: 46.8815967 Longitude: -113.5795332 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
40% chance of thunderstorms on This Afternoon 50% chance of thunderstorms on Tonight 70% chance of rain on Monday 80% chance of thunderstorms on Tuesday 60% chance of rain on Wednesday 20% chance of rain on Thursday 20% chance of rain on Friday 70% chance of thunderstorms on Saturday
High: 78°F Low: 43°F High: 65°F High: 58°F High: 60°F High: 61°F High: 62°F High: 64°F
Low: 38°F Low: 36°F Low: 38°F Low: 37°F Low: 38°F  
Thunderstorms Thunderstorms Rain Thunderstorms Rain Rain Rain Thunderstorms
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Current Conditions at
MISSOULA - (KMSO)
72°
Mostly Cloudy
as of 1:53 PM MDST
Rel. Humidity: 33%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.73 in.
Flight Rule: VFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Broken at 9000ft
Current Conditions at
HELENA - (KHLN)
75°
Mostly Clear
as of 1:53 PM MDST
Rel. Humidity: 31%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 28 MPH
190° South
Cloud Level(s): Few at 12000ft
Current Conditions at
BUTTE - (KBTM)
66°
Mostly Cloudy
as of 1:53 PM MDST
Rel. Humidity: 34%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
23 MPH
Gust: 40 MPH
200° South
Cloud Level(s): Few at 6500ft, Broken at 8500ft
Current Conditions at
MULLAN PASS - (KMLP)
54°
Mostly Cloudy
as of 12:53 PM PDST
Rel. Humidity: 43%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Scattered at 5000ft, Broken at 6000ft
40% chance of thunderstorms This Afternoon This Afternoon... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. West southwest wind around 6 mph.
50% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before 3am, then a chance of rain after 3am. Mostly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 65. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
40% chance of rain Monday Night Monday Night... A 40 percent chance of rain. Mostly cloudy, with a low around 38. West wind 5 to 7 mph becoming calm after midnight.
80% chance of thunderstorms Tuesday Tuesday... A chance of rain, then showers and possibly a thunderstorm after noon. High near 58. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 80%.
40% chance of rain Tuesday Night Tuesday Night... A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 36.
60% chance of rain Wednesday Wednesday... Rain likely, mainly after noon. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 38.
20% chance of rain Thursday Thursday... A chance of rain. Partly sunny, with a high near 61.
10% chance of rain Thursday Night Thursday Night... A slight chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 37.
20% chance of rain Friday Friday... A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 62.
20% chance of rain Friday Night Friday Night... A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 38.
70% chance of thunderstorms Saturday Saturday... Rain likely and possibly a thunderstorm. Patchy fog. Otherwise, mostly cloudy, with a high near 64.
Current Radar Image


Sun Almanac for Potomac, Montana
Sunrise: 06:03 AM
Sunset: 8:58 PM
Civil Sunrise:05:28 AM
Civil Sunset: 9:33 PM
Nautical Sunrise: 04:43 AM
Nautical Sunset: 10:19 PM
Astro Sunrise: 03:48 AM
Astro Sunset: 11:13 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.