National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Overcast

64°F

18°C

Humidity 55%
Wind Speed SE 12 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 02 Jan 01:50 PM PST
Extended Forecast for

Sunnyvale CA

  • This Afternoon

    This Afternoon: Rain, mainly after 4pm. High near 61. South southeast wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Rain

  • Tonight

    Tonight: Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Low around 54. Southeast wind 11 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: Rain and possibly a thunderstorm. High near 61. South wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 51. South southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain

  • Sunday

    Sunday: Rain. High near 56. South southeast wind around 8 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely

  • Monday

    Monday: Rain likely. Cloudy, with a high near 56. Chance of precipitation is 70%.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

  • Tuesday

    Tuesday: A slight chance of rain before 10am. Partly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

This Afternoon
Rain, mainly after 4pm. High near 61. South southeast wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Low around 54. Southeast wind 11 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain and possibly a thunderstorm. High near 61. South wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain. Low around 51. South southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 56. South southeast wind around 8 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely. Cloudy, with a high near 56. Chance of precipitation is 70%.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46.
Tuesday
A slight chance of rain before 10am. Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.38°N 122.05°W (Elev. 118 ft)
Last Update:
12:26 pm PST Jan 2, 2026
Forecast Valid:
2pm PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation