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	NW 10 MPH
Barometer	30.21 in (1023.03 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	12 Aug 08:55 PM PDT

More Information:

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

Extended Forecast for

4 Miles E 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
Mostly Cloudy
then Areas
Smoke
Thursday
High: 70 °F
Showers
Likely
Thursday Night
Low: 41 °F
Mostly Clear
Friday
High: 71 °F
Sunny
Friday Night
Low: 41 °F
Mostly Clear
Saturday
High: 73 °F
Sunny
Saturday Night
Low: 42 °F
Mostly Clear
Sunday
High: 73 °F
Sunny

Detailed Forecast

Tonight

Areas of smoke between 2am and 3am. Partly cloudy, with a low around 45. Calm wind becoming west around 5 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. Mostly cloudy, then gradually becoming sunny, with a high near 70. West wind 5 to 15 mph becoming east in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

Thursday Night

Mostly clear, with a low around 41. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 25 mph.

Friday

Sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Mostly clear, with a low around 41. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.

Saturday

Sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 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 73.