Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

50°F

10°C

Humidity 61%
Wind Speed WNW 12 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 19 Feb 06:15 PM PST
Extended Forecast for

Sunnyvale CA

Cold Weather Advisory February 20, 01:00am until February 20, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Patchy frost after 5am.  Otherwise, mostly clear, with a low around 36. West northwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 26 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Patchy frost before 8am.  Otherwise, partly sunny, with a high near 54. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 54 °F

    Patchy Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Calm wind becoming southeast around 5 mph after midnight.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. South wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 4am.  Partly cloudy, with a low around 46. South southeast wind 10 to 13 mph, with gusts as high as 22 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 4am.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Monday

    Monday: A chance of rain, mainly after 10am.  Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Rain

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Friday
Patchy frost before 8am. Otherwise, partly sunny, with a high near 54. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 37. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 58. South wind 7 to 13 mph, with gusts as high as 22 mph.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Partly cloudy, with a low around 46. South southeast wind 10 to 13 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 64.
Sunday Night
A 30 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 50.
Monday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 66.
Monday Night
Rain, mainly after 10pm. Mostly cloudy, with a low around 53.
Tuesday
Rain. Cloudy, with a high near 61.
Tuesday Night
Rain likely. Cloudy, with a low around 50.
Wednesday
A chance of rain. Mostly cloudy, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A slight chance of rain. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.4°N 122.03°W (Elev. 46 ft)
12:26 pm PST Feb 19, 2026
6pm PST Feb 19, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database