Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

42°F

6°C

Humidity 76%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 09 Apr 02:04 AM PDT
Extended Forecast for

17 Miles W Chalfant CA

Winter Storm Watch April 10, 08:00pm until April 12, 11:00pm
Click here for hazard details and duration
Winter Storm Watch
  • Overnight

    Overnight: Patchy smoke before 4am. Partly cloudy, with a low around 39. West wind around 10 mph.

    Low: 39 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke after 4pm. Mostly sunny, with a high near 62. West wind 5 to 10 mph becoming south in the morning.

    High: 62 °F

    Mostly Sunny
    then Patchy
    Smoke

  • Thursday Night

    Thursday Night: Patchy smoke between 8pm and 10pm. Mostly cloudy, with a low around 37. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Friday

    Friday: A 40 percent chance of showers after 11am.  Snow level 7400 feet rising to 8200 feet in the afternoon. Mostly sunny, with a high near 58. West wind 10 to 15 mph becoming south in the morning. Winds could gust as high as 25 mph.

    High: 58 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 2am, then a chance of snow showers after 2am.  Snow level 8000 feet lowering to 7200 feet after midnight . Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A 40 percent chance of snow showers, mainly after 11am.  Partly sunny, with a high near 52. South wind 10 to 15 mph, with gusts as high as 30 mph.  New snow accumulation of less than a half inch possible.

    High: 52 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 11pm. Some thunder is also possible.  Mostly cloudy, with a low around 26. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers likely.  Mostly cloudy, with a high near 40.

    High: 40 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly before 11pm.  Partly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Patchy smoke before 4am. Partly cloudy, with a low around 39. West wind around 10 mph.
Thursday
Patchy smoke after 4pm. Mostly sunny, with a high near 62. West wind 5 to 10 mph becoming south in the morning.
Thursday Night
Patchy smoke between 8pm and 10pm. Mostly cloudy, with a low around 37. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Friday
A 40 percent chance of showers after 11am. Snow level 7400 feet rising to 8200 feet in the afternoon. Mostly sunny, with a high near 58. West wind 10 to 15 mph becoming south in the morning. Winds could gust as high as 25 mph.
Friday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 2am, then a chance of snow showers after 2am. Snow level 8000 feet lowering to 7200 feet after midnight . Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A 40 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 52. South wind 10 to 15 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Snow showers likely, mainly after 11pm. Some thunder is also possible. Mostly cloudy, with a low around 26. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow showers likely. Mostly cloudy, with a high near 40.
Sunday Night
A chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles W Chalfant CA
 37.54°N 118.66°W (Elev. 7192 ft)
11:30 pm PDT Apr 8, 2026
2am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database