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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

ROCK CREEK (RCEC1)

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

NA

31°F

-1°C

Humidity 90%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 12 Apr 07:04 PM PDT
Extended Forecast for

2 Miles E Chalfant CA

Winter Storm Warning April 12, 07:59pm until April 12, 11:00pm
Click here for hazard details and duration
...
  •  
    Winter Storm Warning April 12, 07:59pm until April 12, 11:00pm

    NOW until 11:00pm Sun

    Winter Storm Warning

  • Tonight

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 49. North wind 5 to 10 mph becoming northwest in the morning. Little or no snow accumulation expected.

    High: 49 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 39. North wind 5 to 10 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 58. Northwest wind around 5 mph becoming west in the afternoon.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. West wind 5 to 10 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Southwest wind 5 to 15 mph becoming northeast after midnight.
Monday
A 40 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 49. North wind 5 to 10 mph becoming northwest in the morning. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 39. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 58. Northwest wind around 5 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 44. West wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 61. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 35. Breezy.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Chalfant CA
 37.53°N 118.32°W (Elev. 6575 ft)
Last Update:
4:30 pm PDT Apr 12, 2026
Forecast Valid:
7pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation