Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

CORRALITOS (CTOC1)

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

NA

53°F

12°C

Humidity 58%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 20 Feb 04:27 PM PST
Extended Forecast for

San Martin CA

Cold Weather Advisory February 21, 01:00am until February 21, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Patchy frost after 11pm.  Otherwise, increasing clouds, with a low around 33. Light and variable wind.

    Low: 33 °F

    Patchy Frost

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 59. South southeast wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 59 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. East southeast wind 6 to 8 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. East southeast wind 5 to 9 mph becoming south in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Patchy Fog

  • Monday

    Monday: A 10 percent chance of rain after 4pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 67.

    High: 67 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after 10pm.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: Rain likely.  Patchy fog before 10am.  Otherwise, cloudy, with a high near 63.

    High: 63 °F

    Rain Likely
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Rain likely.  Patchy fog after 1am.  Otherwise, cloudy, with a low around 52.

    Low: 52 °F

    Rain Likely
    and Patchy
    Fog

Detailed Forecast

Tonight
Patchy frost after 11pm. Otherwise, increasing clouds, with a low around 33. Light and variable wind.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 59. South southeast wind 5 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 39. East southeast wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 64. East southeast wind 5 to 9 mph becoming south in the afternoon.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 43. Light and variable wind.
Monday
A 10 percent chance of rain after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 67.
Monday Night
A 40 percent chance of rain, mainly after 10pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 51.
Tuesday
Rain likely. Patchy fog before 10am. Otherwise, cloudy, with a high near 63.
Tuesday Night
Rain likely. Patchy fog after 1am. Otherwise, cloudy, with a low around 52.
Wednesday
A chance of rain. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66.
Wednesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Thursday
A chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 70.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 49.
Friday
A slight chance of rain. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
San Martin CA
 37.08°N 121.63°W (Elev. 440 ft)
2:25 pm PST Feb 20, 2026
5pm PST Feb 20, 2026-6pm PST Feb 27, 2026
 
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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