Hazardous Weather Conditions
Current conditions at
MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)
Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.NA
42°F
6°C
| Humidity | 65% |
| Wind Speed | SSE 9 MPH |
| Barometer | NA |
| Dewpoint | 31°F (-1°C) |
| Visibility | NA |
| Wind Chill | 37°F (3°C) |
| Last update | 15 Apr 07:15 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: 33 °F
Snow Showers
Thursday Night
Low: 18 °F
Snow Showers
Likely then
Slight Chance
Snow ShowersFriday
High: 39 °F
Chance Snow
Showers then
Snow Showers
LikelyFriday Night
Low: 19 °F
Slight Chance
Snow Showers
then Partly
CloudySaturday
High: 49 °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 2am. Some thunder is also possible. Snow level 7600 feet lowering to 5700 feet after midnight . Low around 30. Breezy, with a south southwest wind 10 to 18 mph becoming west northwest after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Snow showers. Some thunder is also possible. Steady temperature around 33. Northwest wind around 10 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 18. West northwest wind 5 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. 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. Northwest wind 5 to 9 mph, with gusts as high as 22 mph. 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 northwest wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Saturday
Sunny, with a high near 49. Light south southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 23 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)
6:01 pm MDT Apr 15, 2026
7pm MDT Apr 15, 2026-6pm MDT Apr 22, 2026
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