Monsoon Flood Threat in the Southwest; Hot in the South and Northwest

Monsoonal heavy rain will continue flash flood potential across the Southwest and Intermountain West to the central and southern Rockies through this weekend, especially in complex terrain, burn scars, and urban areas. Excessive heat and humidity with heat indices over 110 degrees will be common over much of the Deep South and interior Northwest this weekend. Read More >

Current conditions at

Mammoth Summit (MTH03)

Lat: 37.630225°NLon: 119.032529°WElev: 11053ft.

NA

51°F

11°C

Humidity 82%
Wind Speed WNW 9 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 30 Jul 06:45 PM PDT
Extended Forecast for

2 Miles W Mammoth Lakes CA

Flash Flood Watch until July 31, 08:00pm
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until July 31, 08:00pm

    NOW until
    8:00pm Sat

    Flash Flood Watch

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 11pm and 2am. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 52. Southeast wind around 5 mph becoming north in the evening.  Chance of precipitation is 20%.

    Heavy Rain

    Low: 52 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Some of the storms could produce heavy rain.  Mostly cloudy, with a high near 63. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    Heavy Rain

    High: 63 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 51. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Heavy Rain

    Low: 51 °F

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 11am.  Partly sunny, with a high near 64. Northwest wind 5 to 10 mph becoming south in the morning. Winds could gust as high as 20 mph.

    Chance
    T-storms

    High: 64 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Mostly clear, with a low around 50. West wind around 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 50 °F

  • Monday

    Monday: Sunny, with a high near 67. North wind around 10 mph becoming southwest in the morning.

    Sunny

    High: 67 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 50.

    Clear

    Low: 50 °F

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    Sunny

    High: 69 °F

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 11pm and 2am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 52. Southeast wind around 5 mph becoming north in the evening. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 63. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 51. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 64. Northwest wind 5 to 10 mph becoming south in the morning. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 50. West wind around 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Monday
Sunny, with a high near 67. North wind around 10 mph becoming southwest in the morning.
Monday Night
Clear, with a low around 50.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Clear, with a low around 48. Breezy.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 69.
Click Map For Forecast
Point Forecast:
2 Miles W Mammoth Lakes CA
 37.63°N 119.02°W (Elev. 9872 ft)
1:36 pm PDT Jul 30, 2021
8pm PDT Jul 30, 2021-6pm PDT Aug 6, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database