Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

50°F

10°C

Humidity 64%
Wind Speed NNE 6 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 24 Jun 08:15 AM MDT
Extended Forecast for

Mammoth Hot Springs WY

  • Today

    Today: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 9pm and 4am.  Mostly cloudy, with a low around 47. North northwest wind around 6 mph becoming calm  in the evening.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm.  High near 72. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 48. West southwest wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 75. Breezy, with a south southeast wind 5 to 10 mph becoming south southwest 12 to 17 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 75 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 47. Breezy, with a south southwest wind 7 to 17 mph, with gusts as high as 37 mph.  Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 61. South southwest wind 7 to 13 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%.

    High: 61 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before midnight, then showers likely.  Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Showers

  • Sunday

    Sunday: Rain and snow showers, becoming all rain after 3pm. Some thunder is also possible.  High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Rain/Snow

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 9pm and 4am. Mostly cloudy, with a low around 47. North northwest wind around 6 mph becoming calm in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 72. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 48. West southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 75. Breezy, with a south southeast wind 5 to 10 mph becoming south southwest 12 to 17 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Breezy, with a south southwest wind 7 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.
Saturday
Showers and possibly a thunderstorm. High near 61. South southwest wind 7 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 40. Chance of precipitation is 90%.
Sunday
Rain and snow showers, becoming all rain after 3pm. Some thunder is also possible. High near 54. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 58. Breezy.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 38. Breezy.
Tuesday
Sunny, with a high near 67. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.96°N 110.69°W (Elev. 6106 ft)
6:32 am MDT Jun 24, 2026
8am MDT Jun 24, 2026-6pm MDT Jun 30, 2026
 
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Additional Resources

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