Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

76°F

24°C

Humidity 49%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Heat Index78°F (26°C)
Last update 30 Aug 05:10 PM PDT
Extended Forecast for

2 Miles NW Cupertino CA

  • Tonight

    Tonight: Patchy fog before midnight, then patchy fog after 1am.  Otherwise, mostly clear, with a low around 55. North wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog between 7am and 8am.  Otherwise, sunny, with a high near 75. Calm wind becoming north northwest 5 to 9 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 74 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 54. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 54 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 57.

    Low: 57 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog before midnight, then patchy fog after 1am. Otherwise, mostly clear, with a low around 55. North wind around 6 mph becoming calm in the evening.
Monday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 75. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 56. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 54. West wind 5 to 9 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78.
Wednesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 57.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 78.
Thursday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 58.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 56.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Cupertino CA
 37.33°N 122.07°W (Elev. 305 ft)
1:31 pm PDT Aug 30, 2026
6pm PDT Aug 30, 2026-6pm PDT Sep 6, 2026
 
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Additional Resources

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