Mammoth, WY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mammoth, WY in one place.
Mostly sunny, with a high near 39. South southwest wind around 7 mph.
Local Weather Overview
This forecast page for Mammoth, 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 6:35 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Mammoth, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 6:35 PM MST
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Mammoth
Veterans Day looks like the warmest upcoming period in Mammoth at 48 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Sunday at about 13 mph SSW.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 6:35 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- RIW
- Radar station
- KBLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 26. South wind around 8 mph.
Mostly sunny, with a high near 47. South wind around 6 mph.
Mostly clear, with a low around 29. South wind 6 to 12 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 47. South southwest wind around 13 mph, with gusts as high as 26 mph.
Mostly cloudy, with a low around 29.
Partly sunny, with a high near 47.
Mostly cloudy, with a low around 30.
Mostly sunny, with a high near 47.
Partly cloudy, with a low around 31.
Mostly sunny, with a high near 48.
Partly cloudy, with a low around 32.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Mostly Sunny
|
39°F |
7 mph
SSW
|
|
Friday Night
Nov 6
|
Partly Cloudy
|
26°F |
8 mph
S
|
|
Saturday
Nov 7
|
Mostly Sunny
|
47°F |
6 mph
S
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
29°F |
6 to 12 mph
S
|
|
Sunday
Nov 8
|
Mostly Sunny
|
47°F |
13 mph
SSW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
29°F |
12 mph
S
|
|
Monday
Nov 9
|
Partly Sunny
|
47°F |
9 mph
S
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
30°F |
10 mph
S
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
47°F |
8 mph
SSW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
31°F |
9 mph
S
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
48°F |
7 mph
S
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
32°F |
7 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mammoth.