Hazardous Weather Conditions
Current conditions at
MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)
Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.NA
40°F
4°C
| Humidity | 77% |
| Wind Speed | S 9 MPH |
| Barometer | NA |
| Dewpoint | 33°F (1°C) |
| Visibility | NA |
| Wind Chill | 34°F (1°C) |
| Last update | 15 Apr 11:15 PM MDT |
Extended Forecast for
Mammoth WY
Winter Storm Warning until April 17, 06:00am
NOW until 6:00am Fri
Winter Storm Warning
Tonight
Low: 30 °F
Rain/Snow and
BreezyThursday
High: 34 °F
Snow Showers
Thursday Night
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: 59 °F
Sunny
Detailed Forecast
Tonight
Snow showers, possibly mixed with rain, becoming all snow after 4am. Some thunder is also possible. Snow level 7300 feet lowering to 5700 feet after midnight . Low around 30. Breezy, with a south wind 11 to 17 mph becoming north northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Snow showers. Some thunder is also possible. Steady temperature around 34. 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%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
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 9 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 68.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 40.
Wednesday
A chance of showers. Partly sunny, with a high near 61.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mammoth WY
44.98°N 110.69°W (Elev. 5745 ft)
44.98°N 110.69°W (Elev. 5745 ft)
11:33 pm MDT Apr 15, 2026
11pm MDT Apr 15, 2026-6pm MDT Apr 22, 2026
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