Critical Fire Weather Conditions in the Plains; Heavy Snow in the Sierra and Northern Rockies

Gusty winds and warm, very dry conditions will lead to a Critical Risk of fire weather across much of the High Plains through Thursday. A Pacific storm system will bring strong winds and precipitation from the Pacific Northwest to the Northern Rockies, with heavy mountain snow in the Sierra-Nevada and northern Rockies. Heavy snow will continue in the northern Rockies on Thursday. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Overcast

54°F

12°C

Humidity 81%
Wind Speed SE 5 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Last update 22 Apr 07:35 AM PDT
Extended Forecast for

Sunnyvale CA

  • Today

    Today: A chance of rain and thunderstorms before 2pm, then a slight chance of rain between 2pm and 3pm.  Partly sunny, with a high near 65. Light and variable wind becoming northwest 5 to 7 mph in the morning.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance Rain

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 71. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 47. Northwest wind 5 to 10 mph becoming light west  in the evening.

    Low: 47 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 69. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain and thunderstorms before 2pm, then a slight chance of rain between 2pm and 3pm. Partly sunny, with a high near 65. Light and variable wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 47. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 71. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 47. Northwest wind 5 to 10 mph becoming light west in the evening.
Friday
Partly sunny, with a high near 69. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.38°N 122.05°W (Elev. 118 ft)
2:42 am PDT Apr 22, 2026
7am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database