Hazardous Weather Conditions
Current conditions at
MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)
Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.NA
38°F
3°C
| Humidity | 62% |
| Wind Speed | SE 1 MPH |
| Barometer | NA |
| Dewpoint | 26°F (-3°C) |
| Visibility | NA |
| Last update | 14 Apr 09:15 AM MDT |
Extended Forecast for
Mammoth WY
Winter Storm Watch April 15, 06:00pm until April 17, 06:00am
Today
High: 52 °F
Mostly Sunny
then Mostly
Sunny and
BreezyTonight
Low: 34 °F
Partly Cloudy
and Breezy
then Mostly
CloudyWednesday
High: 49 °F
Breezy.
Scattered
Rain/Snow
then
Rain/Snow
LikelyWednesday Night

Low: 33 °F
Rain/Snow and
BreezyThursday

High: 40 °F
Snow Showers
Thursday Night
Low: 21 °F
Snow Showers
Likely then
Scattered
Snow ShowersFriday
High: 39 °F
Scattered
Snow Showers
then Snow
Showers
LikelyFriday Night
Low: 20 °F
Slight Chance
Snow Showers
then Partly
CloudySaturday

High: 48 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 52. Breezy, with a south southwest wind 6 to 15 mph, with gusts as high as 31 mph.
Tonight
Partly cloudy, with a low around 34. Breezy, with a south wind 9 to 16 mph, with gusts as high as 33 mph.
Wednesday
Scattered snow showers before 9am, then rain showers likely between 9am and 3pm, then rain likely, possibly mixed with snow showers after 3pm. Snow level rising to 7300 feet in the afternoon. Partly sunny, with a high near 49. Breezy, with a south southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow showers, becoming all snow after 3am. Some thunder is also possible. Snow level 7400 feet lowering to 5700 feet after midnight . Low around 33. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Snow showers. Some thunder is also possible. High near 40. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 21. North northwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday
Snow showers likely, mainly after noon. Partly sunny, with a high near 39. North northwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 20.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 34.
Monday
A slight chance of showers. Mostly sunny, with a high near 62.
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)
8:48 am MDT Apr 14, 2026
10am MDT Apr 14, 2026-6pm MDT Apr 20, 2026



