Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

42°F

6°C

Humidity 42%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 13 Apr 12:04 PM PDT
Extended Forecast for

13 Miles ESE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: A 50 percent chance of snow showers, mainly before 5pm. Some thunder is also possible.  Partly sunny, with a high near 44. Northwest wind around 5 mph.  Total daytime snow accumulation of less than a half inch possible.

    High: 44 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 20 percent chance of snow showers before 8pm.  Mostly clear, with a low around 19. West wind around 5 mph becoming calm  in the evening.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. Calm wind becoming west around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. West wind around 5 mph becoming calm  in the evening.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow showers, mainly before 5pm. Some thunder is also possible. Partly sunny, with a high near 44. Northwest wind around 5 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow showers before 8pm. Mostly clear, with a low around 19. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 54. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 24. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 56. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 25. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 15.
Friday
Sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Mammoth Lakes CA
 37.58°N 118.75°W (Elev. 6873 ft)
11:30 am PDT Apr 13, 2026
12pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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