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 >

Hazardous Weather Conditions

Flash Flood Watch until July 31, 08:00 PM PDT

En Español

Current conditions at

Mammoth Summit (MTH03)

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

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

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

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

Heavy Rain
Low: 52 °F
Saturday

Heavy Rain
High: 63 °F
Saturday
Night

Heavy Rain
Low: 51 °F
Sunday

Chance
T-storms
High: 64 °F
Sunday
Night

Slight Chance
T-storms then
Mostly Clear
Low: 50 °F
Monday

Sunny
High: 67 °F
Monday
Night

Clear
Low: 50 °F
Tuesday

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.