Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Marysville, Yuba County Airport (KMYV)

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

Clear

80°F

27°C

Humidity 37%
Wind Speed SSE 17 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 31 Aug 03:53 PM PDT
Extended Forecast for

Marysville CA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South southeast wind around 11 mph, with gusts as high as 24 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. South southeast wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. South wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South southwest wind 5 to 9 mph becoming light south southeast.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of rain.  Partly sunny, with a high near 77.

    High: 77 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

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

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. South southeast wind around 11 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 78. South southeast wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 56. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 79. South wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 57. South southwest wind 5 to 9 mph becoming light south southeast.
Thursday
A 50 percent chance of rain. Partly sunny, with a high near 77.
Thursday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 58.
Labor Day
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Marysville CA
 39.15°N 121.58°W (Elev. 59 ft)
2:01 pm PDT Aug 31, 2026
4pm PDT Aug 31, 2026-6pm PDT Sep 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database