Hazardous Weather Conditions
Current conditions at
MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)
Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.NA
30°F
-1°C
| Humidity | 97% |
| Wind Speed | N 4 MPH |
| Barometer | NA |
| Dewpoint | 29°F (-2°C) |
| Visibility | NA |
| Wind Chill | 26°F (-3°C) |
| Last update | 16 Apr 05:15 AM MDT |
Extended Forecast for
Mammoth WY
Winter Storm Warning April 16, 06:23am until April 17, 06:00am
NOW until 6:00am Fri

Winter Storm Warning
Today

High: 39 °F
Snow Showers
Tonight
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. Some thunder is also possible. High near 39. East southeast wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. 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
6am MDT Apr 16, 2026-6pm MDT Apr 22, 2026



