Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

63°F

17°C

Humidity 52%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 29 Sep 03:04 PM PDT
Extended Forecast for

9 Miles ESE Chalfant CA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Snow level 12400 feet. Partly sunny, with a high near 47. Breezy, with a south wind around 25 mph, with gusts as high as 35 mph.

    High: 47 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of rain and snow showers before 11pm, then a slight chance of snow showers between 11pm and 2am. Some thunder is also possible.  Snow level 12100 feet lowering to 10900 feet after midnight . Mostly cloudy, with a low around 33. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow and
    Breezy then
    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Sunny, with a high near 46. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. Southwest wind 10 to 15 mph.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47. West wind around 10 mph becoming south in the morning. Winds could gust as high as 20 mph.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. South wind 10 to 15 mph becoming west after midnight.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow showers after 11am. Some thunder is also possible.  Mostly sunny, with a high near 42.

    High: 42 °F

    Slight Chance
    Snow Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Snow level 12400 feet. Partly sunny, with a high near 47. Breezy, with a south wind around 25 mph, with gusts as high as 35 mph.
Tonight
A chance of rain and snow showers before 11pm, then a slight chance of snow showers between 11pm and 2am. Some thunder is also possible. Snow level 12100 feet lowering to 10900 feet after midnight . Mostly cloudy, with a low around 33. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Sunny, with a high near 46. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 34. Southwest wind 10 to 15 mph.
Wednesday
Sunny, with a high near 47. West wind around 10 mph becoming south in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 34. South wind 10 to 15 mph becoming west after midnight.
Thursday
Sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 33.
Friday
A slight chance of snow showers after 11am. Some thunder is also possible. Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 31. Blustery.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 38.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Chalfant CA
 37.5°N 118.19°W (Elev. 10932 ft)
2:15 pm PDT Sep 29, 2025
4pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
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Additional Resources

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