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

Alturas (KAAT)

Lat: 41.48362°NLon: 120.5615°WElev: 4383.0ft.

Partly Cloudy

68°F

20°C

Humidity 40%
Wind Speed S 20 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 29 Sep 02:00 PM PDT
Extended Forecast for

Likely CA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly before 4pm, then a slight chance of rain and thunderstorms after 5pm.  Mostly cloudy, with a high near 70. South southwest wind around 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 9pm and 11pm.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 45. South wind 9 to 11 mph, with gusts as high as 31 mph.

    Low: 45 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: Increasing clouds, with a high near 63. Southeast wind 8 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 63 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 43. South wind 8 to 14 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 65. East wind 8 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 65 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 11pm.  Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly before 4pm, then a slight chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 70. South southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Tonight
A 30 percent chance of rain, mainly between 9pm and 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 45. South wind 9 to 11 mph, with gusts as high as 31 mph.
Tuesday
Increasing clouds, with a high near 63. Southeast wind 8 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 43. South wind 8 to 14 mph, with gusts as high as 21 mph.
Wednesday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 65. East wind 8 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Likely CA
 41.24°N 120.5°W (Elev. 4590 ft)
1:54 pm PDT Sep 29, 2025
2pm PDT Sep 29, 2025-6pm PDT Oct 5, 2025
 
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