National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Current conditions at

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

93°F

34°C

Humidity 21%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index89°F (32°C)
Last update 16 Aug 02:26 PM PDT
Extended Forecast for

16 Miles W Williams CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 87. Southeast wind around 7 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South southeast wind 6 to 8 mph becoming west northwest after midnight.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 89. Northwest wind 5 to 9 mph becoming southeast in the afternoon.

    High: 89 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. South wind 6 to 8 mph becoming northwest after midnight.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Northwest wind around 7 mph becoming east southeast in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 87. Southeast wind around 7 mph.
Tonight
Partly cloudy, with a low around 63. South southeast wind 6 to 8 mph becoming west northwest after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 89. Northwest wind 5 to 9 mph becoming southeast in the afternoon.
Monday Night
Partly cloudy, with a low around 62. South wind 6 to 8 mph becoming northwest after midnight.
Tuesday
Mostly sunny, with a high near 90. Northwest wind around 7 mph becoming east southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Williams CA
 39.2°N 122.44°W (Elev. 1529 ft)
Last Update:
2:00 pm PDT Aug 16, 2026
Forecast Valid:
2pm PDT Aug 16, 2026-6pm PDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation