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.

Mostly Cloudy

66°F

19°C

Humidity	52%
Wind Speed	WNW 5 MPH
Barometer	30.17 in (1021.67 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	12 Aug 06:15 PM PDT

More Information:

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

Extended Forecast for

4 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
Tonight
Low: 44 °F
Chance
T-storms then
Areas Smoke
Thursday
High: 69 °F
Showers
Likely
Thursday Night
Low: 40 °F
Mostly Clear
Friday
High: 70 °F
Sunny
Friday Night
Low: 40 °F
Mostly Clear
Saturday
High: 71 °F
Sunny
Saturday Night
Low: 40 °F
Mostly Clear
Sunday
High: 72 °F
Sunny

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms before 8pm. Areas of smoke between 2am and 4am. Mostly cloudy, with a low around 44. Southwest wind 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 69. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Thursday Night

Mostly clear, with a low around 40. 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 70. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Mostly clear, with a low around 40. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday

Sunny, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

Saturday Night

Mostly clear, with a low around 40.

Sunday

Sunny, with a high near 72.