Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

52°F

11°C

Humidity 38%
Wind Speed E 9 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 11 Apr 12:04 PM PDT
Extended Forecast for

12 Miles ESE Chalfant CA

Winter Storm Warning April 11, 02:00pm until April 12, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 43. Windy, with a south wind 30 to 35 mph, with gusts as high as 45 mph.

    High: 43 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: A chance of snow between 2am and 5am, then snow showers likely after 5am.  Increasing clouds, with a low around 21. Windy, with a southwest wind 25 to 35 mph, with gusts as high as 55 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Partly Cloudy
    and Windy
    then Snow
    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Snow showers likely, mainly before 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 33. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 40 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Windy. Snow
    Showers
    Likely then
    Slight Chance
    Snow Showers

  • Sunday Night

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

    Low: 20 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: A 30 percent chance of snow showers, mainly after 11am.  Mostly sunny, with a high near 35. Northwest wind 10 to 15 mph.  Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. Northwest wind 10 to 15 mph.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 43. Windy, with a south wind 30 to 35 mph, with gusts as high as 45 mph.
Tonight
A chance of snow between 2am and 5am, then snow showers likely after 5am. Increasing clouds, with a low around 21. Windy, with a southwest wind 25 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
Snow showers likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 33. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 20. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.
Monday
A 30 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 35. Northwest wind 10 to 15 mph. Little or no snow accumulation expected.
Monday Night
Mostly clear, with a low around 22. Northwest wind 10 to 15 mph.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 30. Breezy.
Thursday
Sunny, with a high near 46. Breezy.
Thursday Night
Mostly clear, with a low around 23. Blustery.
Friday
Sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Chalfant CA
 37.46°N 118.16°W (Elev. 9800 ft)
11:31 am PDT Apr 11, 2026
12pm PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
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