Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

NA

44°F

7°C

Humidity 76%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 05 Sep 01:04 AM PDT
Extended Forecast for

18 Miles SE Mammoth Lakes CA

  • Overnight

    Overnight: Mostly clear, with a low around 38. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 37 °F

    Clear and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 57 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.

    Low: 35 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Labor Day

    Labor Day: Sunny, with a high near 61. Southwest wind around 10 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers after 11am.  Snow level 10400 feet rising to 11800 feet in the afternoon. Sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 11pm.  Snow level 12200 feet. Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 37. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 57. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Sunday Night
Mostly clear, with a low around 35. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.
Labor Day
Sunny, with a high near 61. Southwest wind around 10 mph.
Monday Night
Mostly clear, with a low around 40.
Tuesday
A slight chance of showers after 11am. Snow level 10400 feet rising to 11800 feet in the afternoon. Sunny, with a high near 61.
Tuesday Night
A slight chance of showers before 11pm. Snow level 12200 feet. Partly cloudy, with a low around 42.
Wednesday
A chance of showers, mainly after 11am. Snow level 12300 feet rising to 13500 feet in the afternoon. Partly sunny, with a high near 61.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 44.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 62.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SE Mammoth Lakes CA
 37.47°N 118.73°W (Elev. 9813 ft)
11:30 pm PDT Sep 4, 2026
1am PDT Sep 5, 2026-6pm PDT Sep 11, 2026
 
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Additional Resources

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