Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Partly Cloudy

77°F

25°C

Humidity	25%
Wind Speed	WNW 13 MPH
Barometer	30.21 in (1023.03 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	12 Aug 11:55 AM PDT

More Information:

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

Extended Forecast for

8 Miles ESE Mammoth Lakes CA

Flood Watch August 12, 02:00pm until August 13, 09:00pm

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 76 °F
Showers
Likely
Tonight
Low: 44 °F
Chance
T-storms then
Partly Cloudy
Thursday
High: 72 °F
Showers
Likely
Thursday Night
Low: 40 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 73 °F
Sunny
Friday Night
Low: 40 °F
Mostly Clear
Saturday
High: 75 °F
Sunny
Saturday Night
Low: 41 °F
Mostly Clear
Sunday
High: 76 °F
Sunny

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 76. East wind around 5 mph becoming southwest. Chance of precipitation is 70%.

Tonight

A 40 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. Southeast wind around 5 mph becoming calm in the evening.

Thursday

A slight chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 72. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Thursday Night

A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 40. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

Friday

Sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.

Friday Night

Mostly clear, with a low around 40. Southwest wind around 5 mph becoming calm in the evening.

Saturday

Sunny, with a high near 75.

Saturday Night

Mostly clear, with a low around 41.

Sunday

Sunny, with a high near 76.

Sunday Night

Partly cloudy, with a low around 43.