7-Day Forecast 44.98°N 110.69°W (Text-Only)
NWS Forecast for: Mammoth Hot Springs WY
Issued by: National Weather Service Riverton, WY
Last Update: 8:13 pm MDT Jul 12, 2025
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  • Tonight

    Tonight: Clear, with a low around 53. West northwest wind around 6 mph becoming calm  after midnight.

    Low: 53 °F

    Clear



  • Sunday

    Sunday: Sunny, with a high near 87. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    High: 87 °F

    Sunny



  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 56. Northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 56 °F

    Partly Cloudy



  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 89. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 54. West southwest wind 5 to 8 mph becoming north northeast in the evening.  Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers


  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 3pm.  Mostly sunny, with a high near 81. North wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 81 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 50. North wind 7 to 9 mph.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after noon.  Mostly sunny, with a high near 77.

    High: 77 °F

    Chance
    T-storms


  • Wednesday
    Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 47.

    Low: 47 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tonight: Clear, with a low around 53. West northwest wind around 6 mph becoming calm after midnight.

    Sunday: Sunny, with a high near 87. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    Sunday Night: Partly cloudy, with a low around 56. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Calm wind becoming west 5 to 9 mph in the afternoon.

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 54. West southwest wind 5 to 8 mph becoming north northeast in the evening. Chance of precipitation is 30%.

    Tuesday: Showers likely, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 81. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North wind 7 to 9 mph.

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 77.

    Wednesday Night: A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 47.

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 83.

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.

    Friday: A slight chance of showers and thunderstorms. Sunny, with a high near 85.

    Friday Night: Partly cloudy, with a low around 51.

    Saturday: A slight chance of showers and thunderstorms. Sunny, with a high near 87.



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

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