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 coastal areas from the DelMarVa Peninsula through southeastern New England. 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: Sunny, with a high near 58. South wind around 7 mph, with gusts as high as 18 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Light south southwest wind.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after 10pm.  Mostly cloudy, with a low around 53. South wind 3 to 7 mph.

    Low: 53 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 10am.  High near 59. South wind 8 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain

  • Tuesday Night

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

    Low: 54 °F

    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. South wind around 7 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 47. Light south southwest wind.
Monday
Mostly sunny, with a high near 65. Calm wind.
Monday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 53. South wind 3 to 7 mph.
Tuesday
Rain, mainly after 10am. High near 59. South wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain, mainly before 4am. Low around 54. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 66.
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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 22, 2026
1pm PST Feb 22, 2026-6pm PST Feb 28, 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