Altvan, WY Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Altvan, WY in one place.
Partly sunny. High near 55, with temperatures falling to around 48 in the afternoon. North wind 5 to 10 mph.
Local Weather Overview
This forecast page for Altvan, WY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 5, 2026 6:30 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Altvan, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 6:30 PM MST
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Altvan
Sunday looks like the warmest upcoming period in Altvan at 64 degrees F.
Friday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 15 mph NW.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 6:30 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- CYS
- Radar station
- KCYS
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 31. Northwest wind 5 to 10 mph.
Sunny, with a high near 58. Northwest wind 5 to 10 mph.
Mostly clear, with a low around 32.
Sunny, with a high near 64.
Mostly clear, with a low around 39.
Sunny, with a high near 64.
Partly cloudy, with a low around 35.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 37.
Sunny, with a high near 60.
Mostly clear, with a low around 37.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Partly Sunny
|
55°F |
5 to 10 mph
N
|
|
Friday Night
Nov 6
|
Mostly Clear
|
31°F |
5 to 10 mph
NW
|
|
Saturday
Nov 7
|
Sunny
|
58°F |
5 to 10 mph
NW
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
32°F |
5 mph
W
|
|
Sunday
Nov 8
|
Sunny
|
64°F |
5 to 10 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
39°F |
5 to 10 mph
WSW
|
|
Monday
Nov 9
|
Sunny
|
64°F |
5 to 10 mph
NW
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
35°F |
5 mph
SSW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
64°F |
5 to 15 mph
NW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
37°F |
5 to 10 mph
NW
|
|
Veterans Day
Nov 11
|
Sunny
|
60°F |
5 to 10 mph
W
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
37°F |
5 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Altvan.