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Altvan, Wyoming Weather Forecast
Altvan, Wyoming Weather
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Weather Forecast for Altvan, Wyoming : Laramie County
Issued: 11:57 am MST Dec 16, 2025 Latitude: 41.1230368 Longitude: -104.6999659 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Partly Sunny on This Afternoon Cloudy on Tonight 30% chance of rain on Wednesday Increasing Clouds on Thursday Mostly Sunny on Friday 10% chance of rain on Saturday Partly Sunny on Sunday Mostly Sunny on Monday
High: 58°F Low: 34°F High: 58°F High: 43°F High: 61°F High: 54°F High: 52°F High: 60°F
Low: 23°F Low: 30°F Low: 37°F Low: 31°F Low: 32°F  
Partly Sunny Cloudy Rain Increasing Clouds Mostly Sunny Rain Partly Sunny Mostly Sunny
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Current Conditions at
GREELEY - (KGXY)
66°
Clear
as of 1:20 PM MST
Rel. Humidity: 17%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 25 MPH
270° West
Current Conditions at
FT COLLINS - (KFNL)
64°
Clear
as of 1:43 PM MST
Rel. Humidity: 18%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
6 MPH
Cloud Level(s): Clear
Partly Sunny on This Afternoon This Afternoon... Partly sunny, with a high near 58. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 40 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 34. West southwest wind 10 to 15 mph.

30% chance of rain Wednesday Wednesday... A 30 percent chance of showers, mainly after 5pm. Mostly sunny, with a high near 58. Windy, with a southwest wind 15 to 25 mph increasing to 25 to 35 mph in the afternoon. Winds could gust as high as 55 mph.

30% chance of rain & snow Wednesday Night Wednesday Night... A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 11pm. Mostly clear, with a low around 23. Windy, with a west northwest wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 30%.

Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 43. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 30. Breezy.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 61. Windy.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 37. Breezy.

10% chance of rain Saturday Saturday... A slight chance of showers before 11am. Mostly sunny, with a high near 54. Breezy.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 31.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 52.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 32.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 60.

Sun Almanac for Altvan, Wyoming
Sunrise: 07:18 AM
Sunset: 4:31 PM
Civil Sunrise:06:47 AM
Civil Sunset: 5:02 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:11 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.