Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. 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

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

60°F

16°C

Humidity	41%
Wind Speed	W 1 MPH
Barometer	29.66 in (1004.4 mb)
Dewpoint	36°F (2°C)
Visibility	NA
Last update	12 Aug 03:30 AM PDT

More Information:

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

Extended Forecast for

Mammoth Lakes CA

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

Click here for hazard details and duration

Flood Watch

Overnight
Low: 51 °F
Mostly Cloudy
Wednesday
High: 71 °F
Chance
T-storms
Wednesday Night
Low: 47 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 68 °F
Showers
Likely
Thursday Night
Low: 43 °F
Mostly Clear
Friday
High: 69 °F
Sunny
Friday Night
Low: 42 °F
Mostly Clear
Saturday
High: 70 °F
Sunny
Saturday Night
Low: 43 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly cloudy, with a low around 51. Calm wind.

Wednesday

A 50 percent chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 47. Southwest wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday

A 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 68. Southwest wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Thursday Night

Mostly clear, with a low around 43. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 30 mph.

Friday

Sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

Friday Night

Mostly clear, with a low around 42.

Saturday

Sunny, with a high near 70.

Saturday Night

Mostly clear, with a low around 43.

Sunday

Sunny, with a high near 71.