Hazardous Weather Conditions
Current conditions at
MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)
Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.NA
34°F
1°C
| Humidity | 94% |
| Wind Speed | WNW 2 MPH |
| Barometer | NA |
| Dewpoint | 32°F (0°C) |
| Visibility | NA |
| Last update | 23 Apr 05:15 AM MDT |
Extended Forecast for
Mammoth WY
Winter Weather Advisory April 23, 05:53am until April 23, 11:00pm
NOW until 11:00pm Thu

Winter Weather Advisory
Overnight

Low: 35 °F
Snow Showers
Thursday

High: 45 °F
Snow Showers
Thursday Night
Low: 25 °F
Snow Showers
then Chance
Snow ShowersFriday

High: 38 °F
Snow Showers
LikelyFriday Night
Low: 18 °F
Slight Chance
Snow Showers
then Partly
CloudySaturday
High: 46 °F
Sunny then
Slight Chance
Snow ShowersSaturday Night

Low: 24 °F
Slight Chance
Snow ShowersSunday
High: 47 °F
Slight Chance
Snow Showers
then Chance
Snow Showers
Detailed Forecast
Overnight
Snow showers. Low around 35. West wind around 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Snow showers, mainly after 1pm. Some thunder is also possible. High near 45. West northwest wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Snow showers before 1am, then a chance of snow showers after 3am. Low around 25. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely. Some thunder is also possible. Partly sunny, with a high near 38. Light west northwest wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 18. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.
Saturday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 46. Calm wind becoming west 5 to 8 mph in the morning.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 24. West wind 5 to 8 mph becoming light and variable after midnight.
Sunday
A 50 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 47.
Sunday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 29.
Monday
Snow showers likely before 3pm, then rain and snow showers likely. Some thunder is also possible. Partly sunny, with a high near 48. Chance of precipitation is 60%.
Monday Night
A slight chance of rain and snow showers. Snow level 5800 feet. Mostly cloudy, with a low around 29.
Tuesday
A chance of showers and thunderstorms. Snow level rising to 6500 feet in the afternoon. Partly sunny, with a high near 53.
Tuesday Night
A slight chance of showers. Snow level 6800 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 31.
Wednesday
A chance of showers and thunderstorms. Snow level 6000 feet rising to 6900 feet in the afternoon. Mostly sunny, with a high near 57.
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)
4:48 am MDT Apr 23, 2026
5am MDT Apr 23, 2026-6pm MDT Apr 29, 2026



