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

46°F

8°C

Humidity 39%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 11 Apr 09:04 AM 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
  • Today

    Today: Sunny, with a high near 42. Windy, with a south wind 20 to 25 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 42 °F

    Sunny and
    Windy

  • Tonight

    Tonight: A 30 percent chance of snow showers after 2am.  Increasing clouds, with a low around 23. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph.  New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Partly Cloudy
    and Windy
    then Chance
    Snow Showers
    and Breezy

  • Sunday

    Sunday: Snow showers, mainly before 11am.  High near 34. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 40 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow Showers
    and Breezy
    then Chance
    Snow Showers
    and Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers before 11pm.  Partly cloudy, 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

    Slight Chance
    Snow Showers
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: A 30 percent chance of snow showers, mainly after 11am.  Mostly sunny, with a high near 35. Northwest wind around 10 mph, with gusts as high as 20 mph.  Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Northwest wind 10 to 15 mph.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 42. Windy, with a south wind 20 to 25 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.
Tonight
A 30 percent chance of snow showers after 2am. Increasing clouds, with a low around 23. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow showers, mainly before 11am. High near 34. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, 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 around 10 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
Monday Night
Mostly clear, with a low around 23. Northwest wind 10 to 15 mph.
Tuesday
Sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Chalfant CA
 37.46°N 118.16°W (Elev. 9800 ft)
4:31 am PDT Apr 11, 2026
9am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
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