Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Flood Watch in effect from August 12, 02:00 PM PDT until August 13, 09:00 PM PDT

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

46°F

8°C

Humidity	87%
Wind Speed	N 0 MPH
Barometer	30.17 in (1021.67 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Last update	13 Aug 01:55 AM PDT

More Information:

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

Extended Forecast for

9 Miles ENE Mammoth Lakes CA

Flood Watch until August 13, 09:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until August 13, 09:00pm
NOW until 9:00pm Thu
Flood Watch
Overnight
Low: 43 °F
Slight Chance
T-storms
Thursday
High: 73 °F
Showers
Thursday Night
Low: 41 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 75 °F
Sunny
Friday Night
Low: 41 °F
Mostly Clear
Saturday
High: 76 °F
Sunny
Saturday Night
Low: 42 °F
Mostly Clear
Sunday
High: 78 °F
Sunny

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 43. Calm wind.

Thursday

Showers and thunderstorms, mainly before 2pm. High near 73. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

Thursday Night

A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 41. Southwest wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 20 mph.

Friday

Sunny, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon.

Friday Night

Mostly clear, with a low around 41. Southwest wind around 5 mph becoming calm in the evening.

Saturday

Sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 20 mph.

Saturday Night

Mostly clear, with a low around 42.

Sunday

Sunny, with a high near 78.

Sunday Night

Partly cloudy, with a low around 44.