Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Marysville, Yuba County Airport (KMYV)

Lat: 39.09778°NLon: 121.56972°WElev: 62.0ft.

Clear

97°F

36°C

Humidity 25%
Wind Speed N 0 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 19 Aug 04:00 PM PDT
Extended Forecast for

South Yuba City CA

  • Tonight

    Tonight: Clear, with a low around 61. South southeast wind around 6 mph.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 95. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 95 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. South southeast wind around 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 94. South wind 3 to 6 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. South southeast wind 6 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 61. South southeast wind around 6 mph.
Thursday
Increasing clouds, with a high near 95. Light and variable wind becoming south around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 61. South southeast wind around 6 mph.
Friday
Sunny, with a high near 94. South wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 60. South southeast wind 6 to 8 mph.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
South Yuba City CA
 39.1°N 121.62°W (Elev. 49 ft)
2:00 pm PDT Aug 19, 2026
4pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
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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