Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

50°F

10°C

Humidity 84%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 14 Apr 12:10 AM PDT
Extended Forecast for

5 Miles WSW Cupertino CA

  • Overnight

    Overnight: Partly cloudy, with a low around 46. West wind around 7 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. West wind around 8 mph, with gusts as high as 21 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 46. West wind around 8 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 59. West northwest wind 7 to 10 mph, with gusts as high as 23 mph.

    High: 59 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. West northwest wind 7 to 9 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. West wind around 7 mph.
Tuesday
Mostly sunny, with a high near 58. West wind around 8 mph, with gusts as high as 21 mph.
Tuesday Night
Increasing clouds, with a low around 46. West wind around 8 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 59. West northwest wind 7 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 47. West northwest wind 7 to 9 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 61.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A slight chance of rain. Mostly sunny, with a high near 64.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 50.
Monday
A chance of rain. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cupertino CA
 37.29°N 122.14°W (Elev. 1798 ft)
11:26 pm PDT Apr 13, 2026
12am PDT Apr 14, 2026-6pm PDT Apr 20, 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