Monsoon Flood Threat and Heat Building Out West

The monsoon threat with heavy rain and thunderstorms continues across a large portion of the West. Flash flood watches are in effect from New Mexico to Montana and Idaho and debris flows remain possible near vulnerable burn scars. Also out West, excessive heat watches are in effect and start Tuesday across the Interior Northwest and parts of the Southwest into the desert of southern California. Read More >

Current conditions at

MAMMOTH (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6300ft.

NA

74°F

23°C

Humidity 50%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 02 Aug 11:15 AM MDT
Extended Forecast for

Mammoth Hot Springs WY

Flash Flood Watch until August 2, 11:00pm
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until August 2, 11:00pm

    NOW until
    11:00pm Mon

    Flash Flood Watch

  • This
    Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rain.  Steady temperature around 76. South southwest wind 7 to 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 76 °F

  • Tonight

    Tonight: Showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 2am, then scattered showers and thunderstorms after 2am. Some of the storms could produce heavy rain.  Areas of smoke after midnight. Low around 55. West wind 5 to 7 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    Low: 55 °F

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rain.  Areas of smoke. Mostly cloudy, then gradually becoming sunny, with a high near 81. West northwest wind 5 to 10 mph.  Chance of precipitation is 30%.

    Heavy Rain

    High: 81 °F

  • Tuesday
    Night

    Tuesday Night: Areas of smoke. Mostly clear, with a low around 53. Northwest wind 6 to 11 mph becoming south after midnight.

    Areas Smoke

    Low: 53 °F

  • Wednesday

    Wednesday: Sunny, with a high near 86. South wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    Sunny

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 54. Northwest wind 7 to 10 mph becoming southeast in the evening.

    Partly Cloudy
    then Slight
    Chance
    Showers

    Low: 54 °F

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 85. South southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 50%.

    Slight Chance
    Showers then
    Chance
    T-storms

    High: 85 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 53 °F

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rain. Steady temperature around 76. South southwest wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 2am, then scattered showers and thunderstorms after 2am. Some of the storms could produce heavy rain. Areas of smoke after midnight. Low around 55. West wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Scattered showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rain. Areas of smoke. Mostly cloudy, then gradually becoming sunny, with a high near 81. West northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Areas of smoke. Mostly clear, with a low around 53. Northwest wind 6 to 11 mph becoming south after midnight.
Wednesday
Sunny, with a high near 86. South wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 54. Northwest wind 7 to 10 mph becoming southeast in the evening.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. South southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Friday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 50.
Saturday
A slight chance of showers. Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Breezy.
Click Map For Forecast
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
11:45 am MDT Aug 2, 2021
12pm MDT Aug 2, 2021-6pm MDT Aug 8, 2021
 
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Additional Resources

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