Ammon, WY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Ammon, WY in one place.
Mostly sunny. High near 54, with temperatures falling to around 47 in the afternoon. West northwest wind 0 to 10 mph.
Local Weather Overview
This forecast page for Ammon, 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 Ammon, 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 Ammon
Sunday looks like the warmest upcoming period in Ammon at 66 degrees F.
Friday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday at about 0 to 10 mph WNW.
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 30. West southwest wind around 5 mph.
Sunny, with a high near 58. West wind 0 to 5 mph.
Mostly clear, with a low around 33.
Sunny, with a high near 66.
Mostly clear, with a low around 38.
Sunny, with a high near 58.
Partly cloudy, with a low around 36.
Mostly sunny, with a high near 61.
Partly cloudy, with a low around 37.
Sunny, with a high near 60.
Partly cloudy, with a low around 37.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Mostly Sunny
|
54°F |
0 to 10 mph
WNW
|
|
Friday Night
Nov 6
|
Mostly Clear
|
30°F |
5 mph
WSW
|
|
Saturday
Nov 7
|
Sunny
|
58°F |
0 to 5 mph
W
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
33°F |
0 to 5 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
66°F |
5 to 10 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
38°F |
5 to 10 mph
W
|
|
Monday
Nov 9
|
Sunny
|
58°F |
0 to 5 mph
NNW
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
36°F |
0 to 5 mph
S
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
61°F |
0 to 10 mph
WNW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
37°F |
5 mph
WNW
|
|
Veterans Day
Nov 11
|
Sunny
|
60°F |
5 mph
WSW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
37°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ammon.