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Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Rain

50°F

10°C

Humidity 87%
Wind Speed W 4 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Wind Chill49°F (9°C)
Last update 17 Feb 12:55 PM PST
Extended Forecast for

Sunnyvale CA

Flood Advisory February 17, 01:08pm until February 17, 03:00pm
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory February 17, 01:08pm until February 17, 03:00pm

    NOW until 3:00pm Tue

    Flood Advisory

  • This Afternoon

    High: 52 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then rain likely, mainly after 5am. Low around 37. West southwest wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers

  • Wednesday

    Wednesday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 52. West southwest wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm. Low around 40. South southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Rain. High near 50. West northwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Partly cloudy, with a low around 34. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain. Patchy fog before 9am. Otherwise, partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 52. West southwest wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 1am, then rain likely, mainly after 5am. Low around 37. West southwest wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 52. West southwest wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly after 10pm. Low around 40. South southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 50. West northwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 30 percent chance of rain. Partly cloudy, with a low around 34. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain. Patchy fog before 9am. Otherwise, partly sunny, with a high near 54.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Partly sunny, with a high near 58.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 62.
Sunday Night
Rain. Mostly cloudy, with a low around 50.
Monday
Rain. Cloudy, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.4°N 122.03°W (Elev. 46 ft)
Last Update:
12:26 pm PST Feb 17, 2026
Forecast Valid:
1pm PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation