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 >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

26°F

-3°C

Humidity 89%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 13 Apr 03:04 AM PDT
Extended Forecast for

15 Miles WSW Chalfant CA

  • Overnight

    Overnight: Partly cloudy, with a low around 33. West wind around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of snow showers before 11am, then a chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm. Some thunder is also possible.  Snow level rising to 6000 feet in the afternoon. Partly sunny, with a high near 53. West wind around 5 mph becoming calm.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 53 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A 20 percent chance of showers before 8pm.  Snow level 6000 feet lowering to 5300 feet after midnight . Mostly clear, with a low around 37. Northwest wind 5 to 10 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. West wind around 5 mph becoming calm  in the morning.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. West wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Southwest wind 5 to 10 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 33. West wind around 5 mph.
Monday
A slight chance of snow showers before 11am, then a chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm. Some thunder is also possible. Snow level rising to 6000 feet in the afternoon. Partly sunny, with a high near 53. West wind around 5 mph becoming calm. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday Night
A 20 percent chance of showers before 8pm. Snow level 6000 feet lowering to 5300 feet after midnight . Mostly clear, with a low around 37. Northwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 61. West wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 42. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 64. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WSW Chalfant CA
 37.48°N 118.62°W (Elev. 5213 ft)
11:31 pm PDT Apr 12, 2026
3am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database