National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rain Providing Some Relief to Drought-Stricken Southern U.S.

A storm tracking across the southern U.S. will continue to bring areas of heavy thunderstorms with risks for severe weather and excessive rainfall from Texas to Florida through this weekend. While much of this rainfall will be beneficial to the drought, excessive rainfall may bring areas of flash and urban flooding. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

63°F

17°C

Humidity 14%
Wind Speed SSE 10 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Last update 02 May 12:15 PM MDT
Extended Forecast for

Mammoth WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 66. Southwest wind 9 to 11 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. West southwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 66. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 60. Light and variable wind becoming northwest 6 to 11 mph in the morning. Chance of precipitation is 30%.

    High: 60 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered rain showers before midnight, then a slight chance of rain and snow showers. Snow level 8300 feet lowering to 5900 feet after midnight . Partly cloudy, with a low around 32. North wind 6 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Scattered
    Showers then
    Isolated
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of snow showers before noon, then scattered rain and snow showers. Mostly sunny, with a high near 51. North wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 51 °F

    Isolated Snow
    Showers then
    Scattered
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 66. Southwest wind 9 to 11 mph.
Tonight
Mostly cloudy, with a low around 40. West southwest wind 5 to 10 mph becoming light and variable after midnight.
Sunday
A 10 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 66. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 39. West northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 60. Light and variable wind becoming northwest 6 to 11 mph in the morning. Chance of precipitation is 30%.
Monday Night
Scattered rain showers before midnight, then a slight chance of rain and snow showers. Snow level 8300 feet lowering to 5900 feet after midnight . Partly cloudy, with a low around 32. North wind 6 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of snow showers before noon, then scattered rain and snow showers. Mostly sunny, with a high near 51. North wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
12:03 pm MDT May 2, 2026
Forecast Valid:
1pm MDT May 2, 2026-6pm MDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation