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

55°F

13°C

Humidity 20%
Wind Speed SE 12 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 10 Apr 05:04 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
  • Tonight

    Tonight: A 20 percent chance of snow showers before 8pm.  Partly cloudy, with a low around 27. Windy, with a west wind 20 to 30 mph decreasing to 10 to 20 mph after midnight. Winds could gust as high as 40 mph.

    Low: 27 °F

    Slight Chance
    Snow Showers
    and Windy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 42. Windy, with a west wind 10 to 20 mph becoming south 25 to 35 mph in the morning. Winds could gust as high as 45 mph.

    High: 42 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 23. Windy, with a south wind 25 to 30 mph decreasing to 20 to 25 mph in the evening. Winds could gust as high as 45 mph.  New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow
    Showers and
    Windy

  • Sunday

    Sunday: Snow showers, mainly before 11am. Some thunder is also possible.  High near 34. Breezy, with a southwest wind 20 to 25 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

    Breezy. Snow
    Showers then
    Chance Snow
    Showers

  • 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 Partly
    Cloudy

  • Monday

    Monday: A 20 percent chance of snow showers.  Mostly sunny, with a high near 36. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • 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

Detailed Forecast

Tonight
A 20 percent chance of snow showers before 8pm. Partly cloudy, with a low around 27. Windy, with a west wind 20 to 30 mph decreasing to 10 to 20 mph after midnight. Winds could gust as high as 40 mph.
Saturday
Sunny, with a high near 42. Windy, with a west wind 10 to 20 mph becoming south 25 to 35 mph in the morning. Winds could gust as high as 45 mph.
Saturday Night
A 30 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 23. Windy, with a south wind 25 to 30 mph decreasing to 20 to 25 mph in the evening. Winds could gust as high as 45 mph. New snow accumulation of less than one inch possible.
Sunday
Snow showers, mainly before 11am. Some thunder is also possible. High near 34. Breezy, with a southwest wind 20 to 25 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 20 percent chance of snow showers. Mostly sunny, with a high near 36. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 28.
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 45.
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 pm PDT Apr 10, 2026
6pm PDT Apr 10, 2026-6pm PDT Apr 17, 2026
 
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