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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 7:46 pm MST Jan 8, 2026 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
70% chance of snow on Tonight 40% chance of snow on Friday Mostly Sunny on Saturday Sunny on Sunday Sunny on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday
Low: 27°F High: 35°F High: 43°F High: 50°F High: 55°F High: 54°F High: 54°F High: 56°F
Low: 15°F Low: 23°F Low: 29°F Low: 33°F Low: 32°F Low: 33°F  
Snow Snow Mostly Sunny Sunny Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
FT COLLINS - (KFNL)
28°
Clear
as of 8:56 PM MST
Rel. Humidity: 86%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
5 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
30°
Cloudy
as of 8:53 PM MST
Rel. Humidity: 86%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: MVFR
Wind Data
3 MPH
240° Southwest
Cloud Level(s): Few at 1000ft, Solid Overcast at 2400ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
30°
Cloudy
as of 8:58 PM MST
Rel. Humidity: 92%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1200ft
70% chance of snow Tonight Tonight... Snow likely, mainly before 2am. Mostly cloudy, with a steady temperature around 27. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.
40% chance of snow Friday Friday... A 40 percent chance of snow before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 35. West northwest wind 7 to 9 mph, with gusts as high as 17 mph. New snow accumulation of less than a half inch possible.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 15. West wind 6 to 8 mph, with gusts as high as 16 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 43. West wind 7 to 10 mph, with gusts as high as 20 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 23. West wind 6 to 9 mph, with gusts as high as 17 mph.
Sunny on Sunday Sunday... Sunny, with a high near 50.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 29.
Sunny on Monday Monday... Sunny, with a high near 55.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 33.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 54.
10% chance of rain & snow Tuesday Night Tuesday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 32.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 54.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 33.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 56.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:23 AM
Sunset: 4:53 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:29 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.