Boulder, Idaho Weather
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Weather Forecast for Boulder, Idaho : Blaine County
Issued: 1:53 am MDT Sep 14, 2025 Latitude: 43.8404639 Longitude: -114.5064474 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
50% chance of thunderstorms on Today 40% chance of rain & snow on Tonight 20% chance of rain & snow on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday 20% chance of snow on Friday 30% chance of thunderstorms on Saturday
High: 51°F Low: 31°F High: 46°F High: 53°F High: 57°F High: 58°F High: 54°F High: 50°F
Low: 32°F Low: 37°F Low: 39°F Low: 41°F Low: 39°F  
Thunderstorms Rain & Snow Rain & Snow Sunny Sunny Sunny Snow Thunderstorms
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50% chance of thunderstorms Today Today... A 50 percent chance of showers and thunderstorms after noon. Snow level 10500 feet rising to 11700 feet in the afternoon. Partly sunny, with a high near 51. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.
40% chance of rain & snow Tonight Tonight... A chance of rain and snow showers before 4am, then a slight chance of snow showers after 5am. Some thunder is also possible. Snow level 11300 feet lowering to 9700 feet after midnight . Partly cloudy, with a low around 31. West southwest wind 10 to 14 mph becoming north northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
20% chance of rain & snow Monday Monday... A slight chance of snow showers before 3pm, then a slight chance of rain and snow showers. Mostly sunny, with a high near 46. Northwest wind 7 to 10 mph. Chance of precipitation is 20%.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 32. North northeast wind around 10 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 53. North northeast wind 6 to 8 mph becoming southeast in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 37.
Sunny on Wednesday Wednesday... Sunny, with a high near 57.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 39.
Sunny on Thursday Thursday... Sunny, with a high near 58.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 41.
20% chance of snow Friday Friday... A 20 percent chance of showers. Snow level 11200 feet. Partly sunny, with a high near 54.
20% chance of snow Friday Night Friday Night... A 20 percent chance of showers. Snow level 11400 feet. Mostly cloudy, with a low around 39.
30% chance of thunderstorms Saturday Saturday... A 30 percent chance of showers and thunderstorms. Snow level 11100 feet. Partly sunny, with a high near 50.
Sun Almanac for Boulder, Idaho
Sunrise: 07:17 AM
Sunset: 7:50 PM
Civil Sunrise:06:48 AM
Civil Sunset: 8:19 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 8:53 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 9:28 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.