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.

Overcast

59°F

15°C

Humidity	67%
Wind Speed	WNW 9 MPH
Barometer	30.21 in (1023.03 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	12 Aug 08:35 PM PDT

More Information:

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

Extended Forecast for

6 Miles ESE 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
Tonight
Low: 45 °F
Areas Smoke
then Partly
Cloudy
Thursday
High: 56 °F
Showers
Likely and
Breezy
Thursday Night
Low: 41 °F
Mostly Clear
and Breezy
Friday
High: 57 °F
Sunny
Friday Night
Low: 41 °F
Mostly Clear
Saturday
High: 58 °F
Sunny
Saturday Night
Low: 42 °F
Mostly Clear
Sunday
High: 59 °F
Mostly Sunny

Detailed Forecast

Tonight

Areas of smoke before 9pm. Mostly cloudy, with a low around 45. Southwest wind around 10 mph.

Thursday

A slight chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Snow level 12800 feet. Mostly cloudy, then gradually becoming sunny, with a high near 56. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%.

Thursday Night

Mostly clear, with a low around 41. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.

Friday

Sunny, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Friday Night

Mostly clear, with a low around 41. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday

Sunny, with a high near 58. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Saturday Night

Mostly clear, with a low around 42.

Sunday

Mostly sunny, with a high near 59.

Sunday Night

Partly cloudy, with a low around 43.