
Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.
Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >
Current conditions at
MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)
Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.NA
15°F
-9°C
| Humidity | 66% |
| Wind Speed | W 0 MPH |
| Barometer | NA |
| Dewpoint | 6°F (-14°C) |
| Visibility | NA |
| Last update | 19 Feb 07:15 PM MST |
Extended Forecast for
Mammoth WY
Tonight

Low: 2 °F
Partly Cloudy
Friday
High: 28 °F
Sunny then
Isolated Snow
ShowersFriday Night

Low: 12 °F
Partly Cloudy
Saturday

High: 33 °F
Mostly Sunny
Saturday Night

Low: 14 °F
Partly Cloudy
Sunday

High: 43 °F
Sunny
Sunday Night

Low: 21 °F
Mostly Clear
Monday

High: 45 °F
Mostly Sunny
Monday Night

Low: 31 °F
Slight Chance
Snow Showers
Detailed Forecast
Tonight
Partly cloudy, with a low around 2. Wind chill values as low as -10. South wind around 6 mph.
Friday
Isolated snow showers after 3pm. Mostly sunny, with a high near 28. Wind chill values as low as -10. South wind 5 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 12. Southwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 33. South southwest wind around 9 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 14. South southeast wind around 7 mph.
Sunday
Sunny, with a high near 43. South southeast wind 6 to 8 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 21. South wind around 8 mph.
Monday
Mostly sunny, with a high near 45.
Monday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 31.
Tuesday
Snow showers likely. Partly sunny, with a high near 41. Breezy. Chance of precipitation is 70%.
Tuesday Night
Snow showers likely. Mostly cloudy, with a low around 25.
Wednesday
A chance of snow showers. Mostly sunny, with a high near 39.
Wednesday Night
A chance of snow showers. Partly cloudy, with a low around 22.
Thursday
A chance of snow showers. Mostly sunny, with a high near 40. Breezy.
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)
6:47 pm MST Feb 19, 2026
7pm MST Feb 19, 2026-6pm MST Feb 26, 2026


