
Critical Fire Weather in the High Plains; Heat Continues in the West
Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >
Hazardous Weather Conditions
Current conditions at
MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)
Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.NA
51°F
11°C
| Humidity | 32% |
| Wind Speed | SW 4 MPH |
| Barometer | NA |
| Dewpoint | 22°F (-6°C) |
| Visibility | NA |
| Last update | 18 Mar 10:15 PM MDT |
Extended Forecast for
Mammoth WY
Tonight

Low: 39 °F
Partly Cloudy
Thursday

High: 65 °F
Sunny
Thursday Night

Low: 41 °F
Partly Cloudy
Friday

High: 67 °F
Sunny
Friday Night

Low: 42 °F
Mostly Clear
Saturday
High: 66 °F
Mostly Sunny
then Slight
Chance
ShowersSaturday Night

Low: 34 °F
Chance
ShowersSunday

High: 56 °F
Sunny
Sunday Night

Low: 35 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 39. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 65. South southeast wind 7 to 13 mph.
Thursday Night
Partly cloudy, with a low around 41. South southwest wind 5 to 11 mph.
Friday
Sunny, with a high near 67. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 42. South wind 7 to 10 mph, with gusts as high as 28 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 66. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
A 40 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 34. West wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 45.
Wednesday
A chance of rain and snow showers. Mostly sunny, with a high near 62. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Mammoth WY
44.98°N 110.69°W (Elev. 5745 ft)
44.98°N 110.69°W (Elev. 5745 ft)
9:31 pm MDT Mar 18, 2026
10pm MDT Mar 18, 2026-6pm MDT Mar 25, 2026



