Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Current conditions at

CORRALITOS (CTOC1)

Lat: 36.99086°NLon: 121.80488°WElev: 327.0ft.

NA

71°F

22°C

Humidity 50%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 10 Oct 03:27 PM PDT
Extended Forecast for

San Martin CA

  • Tonight

    Tonight: Increasing clouds, with a low around 52. Northwest wind 5 to 10 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 73. Northwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. West northwest wind 3 to 8 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. West northwest wind 5 to 9 mph.

    Low: 48 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: A 40 percent chance of rain after 11am.  Mostly cloudy, with a high near 69. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain.  Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 64.

    High: 64 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Rain Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 52. Northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 73. Northwest wind 7 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 48. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 76. West northwest wind 3 to 8 mph.
Sunday Night
Partly cloudy, with a low around 48. West northwest wind 5 to 9 mph.
Columbus Day
A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 69. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 53. Chance of precipitation is 80%.
Tuesday
Rain. Cloudy, with a high near 64.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 51.
Wednesday
A chance of rain. Partly sunny, with a high near 69.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Thursday
A slight chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
San Martin CA
 37.08°N 121.6°W (Elev. 276 ft)
1:26 pm PDT Oct 10, 2025
4pm PDT Oct 10, 2025-6pm PDT Oct 17, 2025
 
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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