7-Day Forecast 44.98°N 110.69°W (Text-Only)
NWS Forecast for: Mammoth WY
Issued by: National Weather Service Riverton, WY
Last Update: 3:15 am MDT May 29, 2024




Overnight: Mostly cloudy, with a low around 45. South southeast wind around 6 mph.

Wednesday: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe. High near 62. Breezy, with a south wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: Showers and thunderstorms before 3am, then isolated showers between 3am and 5am. Some of the storms could be severe. Snow level 9100 feet lowering to 6600 feet after midnight . Low around 36. West northwest wind 5 to 13 mph becoming south in the evening. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: Areas of frost before 7am. Otherwise, mostly sunny, with a high near 55. West wind 6 to 13 mph, with gusts as high as 20 mph.

Thursday Night: Partly cloudy, with a low around 35. West wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

Friday: Sunny, with a high near 64. Light south wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

Friday Night: Partly cloudy, with a low around 40. West southwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.

Saturday: Mostly sunny, with a high near 71.

Saturday Night: Scattered showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.

Sunday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 67. Chance of precipitation is 40%.

Sunday Night: Mostly cloudy, with a low around 46.

Monday: Scattered showers and thunderstorms. Partly sunny, with a high near 67.

Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 48.

Tuesday: Scattered showers and thunderstorms. Partly sunny, with a high near 66.



Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)

Visit your local NWS office at: https://www.weather.gov/riw