Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

61°F

16°C

Humidity 36%
Wind Speed WNW 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 29 Dec 01:55 PM PST
Extended Forecast for

3 Miles NE Sunnyvale CA

Coastal Flood Advisory December 31, 05:00am until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 60. North northwest wind around 8 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. Light and variable wind becoming north northwest around 5 mph in the afternoon.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 4am.  Cloudy, with a low around 45. North wind 3 to 5 mph.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am.  Cloudy, with a high near 56. Northwest wind 3 to 5 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 49. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 4am.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly after 10am.  Cloudy, with a high near 60.

    High: 60 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 60. North northwest wind around 8 mph.
Tonight
Mostly clear, with a low around 37. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 60. Light and variable wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of rain after 4am. Cloudy, with a low around 45. North wind 3 to 5 mph.
Wednesday
Rain likely, mainly after 10am. Cloudy, with a high near 56. Northwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 49. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain. High near 60. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly before 4am. Mostly cloudy, with a low around 53.
Friday
Rain likely, mainly after 10am. Cloudy, with a high near 60.
Friday Night
Rain. Mostly cloudy, with a low around 47.
Saturday
Rain likely. Mostly cloudy, with a high near 57.
Saturday Night
Rain likely. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Sunnyvale CA
 37.41°N 121.97°W (Elev. 10 ft)
12:27 pm PST Dec 29, 2025
2pm PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database