Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

31°F

-1°C

Humidity 85%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 18 Oct 06:04 AM PDT
Extended Forecast for

15 Miles SE Mammoth Lakes CA

  • Today

    Today: Sunny, with a high near 49. North wind 5 to 10 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. Southwest wind 5 to 15 mph.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 45 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 11am.  Increasing clouds, with a high near 40. Southwest wind around 15 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.

    High: 40 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 24. Breezy, with a south wind 10 to 20 mph.  New snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow
    and Breezy

  • Wednesday

    Wednesday: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow.  Cloudy, with a low around 21.

    Low: 21 °F

    Snow

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 30.

    High: 30 °F

    Snow Likely

Detailed Forecast

Today
Sunny, with a high near 49. North wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 26. Southwest wind 5 to 15 mph.
Monday
Sunny, with a high near 45. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 23. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of snow after 11am. Increasing clouds, with a high near 40. Southwest wind around 15 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24. Breezy, with a south wind 10 to 20 mph. New snow accumulation of less than one inch possible.
Wednesday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow. Cloudy, with a low around 21.
Thursday
Snow likely. Mostly cloudy, with a high near 30.
Thursday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17.
Friday
Sunny, with a high near 33.
Friday Night
Mostly clear, with a low around 18.
Saturday
Sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SE Mammoth Lakes CA
 37.48°N 118.79°W (Elev. 11785 ft)
4:30 am PDT Oct 18, 2026
7am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

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