Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

Lat: 37.40583°NLon: 122.04806°WElev: 33.0ft.

Mist

45°F

7°C

Humidity 93%
Wind Speed NNW 6 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Wind Chill42°F (6°C)
Last update 09 Dec 09:15 AM PST
Extended Forecast for

Sunnyvale CA

  • Today

    Today: Sunny, with a high near 62. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Calm wind becoming north around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 62. Calm wind becoming north northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 46. Calm wind.
Wednesday
Sunny, with a high near 67. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 69. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
A slight chance of rain. Partly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.38°N 122.05°W (Elev. 118 ft)
9:23 am PST Dec 9, 2025
9am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database