Hazardous Weather Conditions
Current conditions at
MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)
Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.NA
28°F
-2°C
| Humidity | 97% |
| Wind Speed | NNE 3 MPH |
| Barometer | NA |
| Dewpoint | 27°F (-3°C) |
| Visibility | NA |
| Last update | 16 Apr 07:15 AM MDT |
Extended Forecast for
Mammoth WY
Winter Storm Warning April 16, 08:26am until April 17, 06:00am
NOW until 6:00am Fri

Winter Storm Warning
Today

High: 39 °F
Snow Showers
LikelyTonight
Low: 18 °F
Chance Snow
Showers then
Partly CloudyFriday
High: 39 °F
Chance Snow
Showers then
Snow Showers
LikelyFriday Night
Low: 19 °F
Slight Chance
Snow Showers
then Partly
CloudySaturday

High: 50 °F
Sunny
Saturday Night

Low: 27 °F
Mostly Clear
Sunday

High: 60 °F
Sunny
Sunday Night

Low: 35 °F
Partly Cloudy
Detailed Forecast
Today
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 39. Southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
A 40 percent chance of snow showers, mainly before 8pm. Mostly cloudy, with a low around 18. West wind 6 to 11 mph. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 39. Southwest wind 5 to 9 mph becoming northwest in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 19. West wind 5 to 9 mph becoming calm.
Saturday
Sunny, with a high near 50. South southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 27. South wind 6 to 10 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 60. South southeast wind 6 to 8 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 67.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 40.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 56.
Additional Forecasts and Information
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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)
6:02 am MDT Apr 16, 2026
8am MDT Apr 16, 2026-6pm MDT Apr 22, 2026



