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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Hazardous Weather Conditions

Current conditions at

BOONVILLE (BNVC1)

Lat: 38.98736°NLon: 123.34846°WElev: 644.0ft.

NA

80°F

27°C

Humidity 30%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index79°F (26°C)
Last update 04 Oct 10:50 AM PDT
Extended Forecast for

Boonville CA

Heat Advisory October 4, 11:35am until October 4, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 4, 11:35am until October 4, 11:00pm

    NOW until 11:00pm Sun

    Heat Advisory

  • Today

    High: 98 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 62. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 62. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Wednesday Night

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

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 98. Calm wind becoming west northwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 62. West northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 100. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Monday Night
Clear, with a low around 62. West northwest wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 61. West northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 98.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boonville CA
 39.02°N 123.38°W (Elev. 397 ft)
Last Update:
10:05 am PDT Oct 4, 2026
Forecast Valid:
11am PDT Oct 4, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation