Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

66°F

19°C

Humidity 63%
Wind Speed SE 5 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Jun 09:15 AM PDT
Extended Forecast for

3 Miles NE Sunnyvale CA

  • Today

    Today: Sunny, with a high near 78. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. North northwest wind 6 to 11 mph becoming south southeast in the evening. Winds could gust as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. South wind 6 to 9 mph becoming west in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 55. West northwest wind 9 to 11 mph becoming south after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 74. South wind 6 to 9 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Independence Day

    Independence Day: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 56. North northwest wind 6 to 11 mph becoming south southeast in the evening. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 76. South wind 6 to 9 mph becoming west in the afternoon.
Wednesday Night
Increasing clouds, with a low around 55. West northwest wind 9 to 11 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 74. South wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 57.
Independence Day
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Sunnyvale CA
 37.41°N 121.97°W (Elev. 10 ft)
8:41 am PDT Jun 30, 2026
9am PDT Jun 30, 2026-6pm PDT Jul 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database