Porters Corner, Montana Weather
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Weather Forecast for Porters Corner, Montana : Granite County
Issued: 2:30 pm MDT May 11, 2025 Latitude: 46.2518692 Longitude: -113.3320077 View on Google Maps

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This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
40% chance of thunderstorms on This Afternoon 30% chance of thunderstorms on Tonight 30% chance of rain on Monday 80% chance of rain & snow on Tuesday 60% chance of rain & snow on Wednesday 20% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 70% chance of thunderstorms on Saturday
High: 72°F Low: 41°F High: 61°F High: 51°F High: 52°F High: 55°F High: 55°F High: 58°F
Low: 35°F Low: 34°F Low: 35°F Low: 35°F Low: 35°F  
Thunderstorms Thunderstorms Rain Rain & Snow Rain & Snow Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
BUTTE - (KBTM)
64°
Mostly Cloudy
Light Rain
as of 2:06 PM MDST
Rel. Humidity: 39%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 24 MPH
270° West
Cloud Level(s): Scattered at 4300ft, Scattered at 7000ft, Broken at 9000ft
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
DILLON - (KDLN)
68°
Partly Cloudy
as of 1:53 PM MDST
Rel. Humidity: 30%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 41 MPH
170° South
Cloud Level(s): Scattered at 10000ft
40% chance of thunderstorms This Afternoon This Afternoon... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. Southwest wind 14 to 16 mph, with gusts as high as 23 mph.
30% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 41. West southwest wind 6 to 11 mph becoming south southeast in the evening. Chance of precipitation is 30%.
30% chance of rain Monday Monday... A 30 percent chance of rain after noon. Increasing clouds, with a high near 61. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
60% chance of rain & snow Monday Night Monday Night... Rain likely before 3am, then rain and snow likely. Snow level 7500 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 35. West southwest wind 6 to 11 mph becoming light west in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
80% chance of rain & snow Tuesday Tuesday... Rain and snow likely before noon, then rain showers. Some thunder is also possible. Snow level 5800 feet rising to 6800 feet in the afternoon. High near 51. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
50% chance of rain & snow Tuesday Night Tuesday Night... A chance of rain before midnight, then a chance of rain and snow. Snow level 7100 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 34. Chance of precipitation is 50%. Little or no snow accumulation expected.
60% chance of rain & snow Wednesday Wednesday... A chance of rain and snow before 9am, then a chance of rain between 9am and noon, then rain showers likely after noon. Some thunder is also possible. Snow level 5900 feet rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 52. Chance of precipitation is 60%. Little or no snow accumulation expected.
20% chance of rain Wednesday Night Wednesday Night... A chance of rain, mainly before midnight. Mostly cloudy, with a low around 35.
20% chance of thunderstorms Thursday Thursday... A chance of rain before noon, then a chance of showers and thunderstorms after noon. Snow level 6400 feet rising to 7400 feet in the afternoon. Mostly cloudy, with a high near 55.
10% chance of rain Thursday Night Thursday Night... A slight chance of rain before midnight. Mostly cloudy, with a low around 35.
20% chance of thunderstorms Friday Friday... A chance of rain and thunderstorms. Mostly cloudy, with a high near 55.
20% chance of rain Friday Night Friday Night... A chance of rain. Mostly cloudy, with a low around 35.
70% chance of thunderstorms Saturday Saturday... Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 58.
Current Radar Image


Sun Almanac for Porters Corner, Montana
Sunrise: 06:04 AM
Sunset: 8:55 PM
Civil Sunrise:05:30 AM
Civil Sunset: 9:30 PM
Nautical Sunrise: 04:45 AM
Nautical Sunset: 10:14 PM
Astro Sunrise: 03:53 AM
Astro Sunset: 11:07 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.