Hazardous Weather Conditions
Current conditions at
MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)
Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.NA
31°F
-1°C
| Humidity | 78% |
| Wind Speed | N 1 MPH |
| Barometer | NA |
| Dewpoint | 25°F (-4°C) |
| Visibility | NA |
| Last update | 16 Apr 12:15 PM MDT |
Extended Forecast for
Mammoth WY
Winter Storm Warning April 16, 12:42pm until April 17, 06:00am
NOW until 6:00am Fri

Winter Storm Warning
This Afternoon

High: 31 °F
Snow Showers
LikelyTonight
Low: 19 °F
Snow Showers
Likely then
Slight Chance
Snow ShowersFriday
High: 38 °F
Chance Snow
Showers then
Snow Showers
LikelyFriday Night
Low: 17 °F
Slight Chance
Snow Showers
then Partly
CloudySaturday

High: 49 °F
Sunny
Saturday Night

Low: 26 °F
Mostly Clear
Sunday

High: 59 °F
Sunny
Sunday Night

Low: 35 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 31. Southwest wind 10 to 14 mph becoming northwest. Winds could gust as high as 21 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow showers likely before 11pm, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 19. Northwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after 4pm. Some thunder is also possible. Partly sunny, with a high near 38. Light and variable wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 17. Northwest wind 5 to 9 mph becoming calm. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 49. Southwest wind 5 to 10 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 26. Southwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 59. South southeast wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Sunny, with a high near 69.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 42.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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)
12:33 pm MDT Apr 16, 2026
12pm MDT Apr 16, 2026-6pm MDT Apr 22, 2026



