Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

DEVILS POST PILE RAWS NEAR MAMMOTH LAKES 6WSW DPO (DPPC1)

Lat: 37.63° N Lon: 119.09333° W Elev: 8024.0 ft.

NA

51°F

11°C

Humidity 76%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 29 Sep 07:00 PM PDT
Detailed forecast for

Upper San Joaquin River

Tonight
Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers, slight chance of thunderstorms and snow after midnight. Lows 33 to 43. Southwest winds 5 to 15 mph with gusts to around 35 mph. Chance of precipitation 50 percent.
Tuesday
Mostly sunny. Slight chance of rain in the morning, then slight chance of thunderstorms in the afternoon. Highs 43 to 57. Southwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 20 percent.
Tuesday Night
Mostly clear. Lows 32 to 42. Southwest winds up to 10 mph.
Wednesday
Not as cool. Sunny. Highs 49 to 61. Southwest winds up to 15 mph.
Wednesday Night
Mostly clear. Lows 34 to 44. Southwest winds up to 10 mph with gusts to around 25 mph.
Thursday
Sunny. Highs 46 to 60.
Thursday Night
Partly cloudy. Lows 31 to 43.
Friday
Mostly sunny. Chance of snow showers in the afternoon. Highs 44 to 58. Chance of snow 30 percent.
Friday Night Through Sunday
Mostly clear. Lows 30 to 43. Highs 46 to 62.
Sunday Night And Monday
Partly cloudy. Lows 28 to 40. Highs 40 to 54.



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701 PM PDT Mon Sep 29 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database