Alta, Montana Weather
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Weather Forecast for Alta, Montana : Ravalli County
Issued: 3:30 am MDT May 9, 2025 Latitude: 45.6188062 Longitude: -114.299808 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Sunny on This Afternoon Cloudy on Tonight 30% chance of thunderstorms on Saturday 50% chance of rain on Sunday 60% chance of thunderstorms on Monday 70% chance of thunderstorms on Tuesday 70% chance of rain on Wednesday 20% chance of rain on Thursday
High: 77°F Low: 50°F High: 82°F High: 73°F High: 61°F High: 51°F High: 51°F High: 58°F
Low: 46°F Low: 42°F Low: 37°F Low: 37°F Low: 36°F  
Mostly Sunny Cloudy Thunderstorms Rain Thunderstorms Thunderstorms Rain Rain
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Current Conditions at
SALMON - (KSMN)
72°
Clear
as of 12:56 PM MDST
Rel. Humidity: 26%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
6 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
ELK CITY - (KP69)
72°
Mostly Clear
as of 11:52 AM PDST
Rel. Humidity: 35%
Dew Point: 43°F
Pressure: 30.12 in.
Wind Data
Calm
Current Conditions at
CHALLIS - (KLLJ)
73°
Clear
as of 12:55 PM MDST
Rel. Humidity: 21%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
6 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
DILLON - (KDLN)
66°
Clear
as of 12:53 PM MDST
Rel. Humidity: 27%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
5 MPH
230° Southwest
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 77. Southwest wind 6 to 8 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 50. West southwest wind 5 to 7 mph becoming calm in the evening.
30% chance of thunderstorms Saturday Saturday... A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 24 mph.
20% chance of thunderstorms Saturday Night Saturday Night... A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 23 mph.
50% chance of rain Sunday Sunday... A 50 percent chance of rain, mainly after noon. Partly sunny, with a high near 73. Light south wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 26 mph.
50% chance of rain Sunday Night Sunday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 42. New precipitation amounts of less than a tenth of an inch possible.
60% chance of thunderstorms Monday Monday... A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
20% chance of rain Monday Night Monday Night... A chance of rain. Mostly cloudy, with a low around 37.
70% chance of thunderstorms Tuesday Tuesday... Rain likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 51.
70% chance of rain Tuesday Night Tuesday Night... Rain likely, mainly before midnight. Mostly cloudy, with a low around 37.
70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 51.
20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 36.
20% chance of rain Thursday Thursday... A chance of rain. Partly sunny, with a high near 58.
Current Radar Image


Sun Almanac for Alta, Montana
Sunrise: 06:13 AM
Sunset: 8:55 PM
Civil Sunrise:05:39 AM
Civil Sunset: 9:29 PM
Nautical Sunrise: 04:56 AM
Nautical Sunset: 10:12 PM
Astro Sunrise: 04:06 AM
Astro Sunset: 11:01 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.