National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

ROCK CREEK (RCEC1)

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

NA

61°F

16°C

Humidity 12%
Wind Speed ESE 11 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility NA
Last update 20 Apr 12:04 PM PDT
Extended Forecast for

18 Miles W Chalfant CA

Winter Weather Advisory April 21, 05:00am until April 22, 05:00pm
Lake Wind Advisory until April 20, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory
Lake Wind Advisory
  •  
    Lake Wind Advisory until April 20, 10:00pm

    NOW until 10:00pm Mon

    Lake Wind Advisory

  • This Afternoon

    High: 43 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 29. Windy, with a south wind 25 to 30 mph, with gusts as high as 45 mph.

    Low: 29 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Snow showers, mainly after 8am. Some thunder is also possible. High near 36. Very windy, with a southwest wind 35 to 40 mph increasing to 40 to 45 mph in the morning. Winds could gust as high as 70 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 36 °F

    Snow Showers
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly before 11pm. Some thunder is also possible. Mostly cloudy, with a low around 18. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Snow Showers
    Likely and
    Very Windy

  • Wednesday

    Wednesday: Sunny, with a high near 30. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 30 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 21. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 43. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph.
Tonight
Mostly clear, with a low around 29. Windy, with a south wind 25 to 30 mph, with gusts as high as 45 mph.
Tuesday
Snow showers, mainly after 8am. Some thunder is also possible. High near 36. Very windy, with a southwest wind 35 to 40 mph increasing to 40 to 45 mph in the morning. Winds could gust as high as 70 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow showers likely, mainly before 11pm. Some thunder is also possible. Mostly cloudy, with a low around 18. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Sunny, with a high near 30. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
Mostly clear, with a low around 21. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A slight chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 36.
Saturday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 26.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles W Chalfant CA
 37.5°N 118.68°W (Elev. 11312 ft)
Last Update:
11:30 am PDT Apr 20, 2026
Forecast Valid:
1pm PDT Apr 20, 2026-6pm PDT Apr 26, 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