Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along the Northeastern Seaboard. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

38°F

3°C

Humidity 85%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 21 Feb 04:10 AM PST
Extended Forecast for

5 Miles WSW Cupertino CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain after 10pm.  Mostly cloudy, with a low around 53. South southwest wind 3 to 7 mph.

    Low: 53 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 10am.  High near 58. South wind around 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am.  Low around 54. South wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am.  Mostly cloudy, with a high near 62. Northwest wind 3 to 5 mph.

    High: 62 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 64. Calm wind.
Tonight
A 40 percent chance of rain after 10pm. Mostly cloudy, with a low around 53. South southwest wind 3 to 7 mph.
Tuesday
Rain, mainly after 10am. High near 58. South wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 4am. Low around 54. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 62. Northwest wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 64.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cupertino CA
 37.29°N 122.14°W (Elev. 1798 ft)
12:26 pm PST Feb 23, 2026
12pm PST Feb 23, 2026-6pm PST Mar 1, 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