Active weather alerts: Heat Advisory. The National Weather Service has posted the following for the North Bay interior valleys, which cover Kenwood, Glen Ellen and Oakmont:
⚠️ Heat Advisory. Heat Advisory issued September 9 at 3:14AM PDT until September 10 at 10:00PM PDT by NWS San Francisco CA.
The week ahead
Today: Mostly sunny. High near 95, with temperatures falling to around 89 in the afternoon. West wind 1 to 8 mph, with gusts as high as 18 mph.
- Tonight: Mostly Clear, 55°F.
- Friday: Sunny, 86°F.
- Friday Night: Mostly Clear, 52°F.
- Saturday: Sunny, 79°F.
Air
The valley’s air measures AQI 40 — good, with fine particulate (PM2.5) at 10.1 µg/m³ — as of publication.
No Spare the Air alert is in effect from the Bay Area Air Quality Management District.
For open agricultural and land-management burning, the air district’s northern zone — which includes Sonoma Valley — posts: Wednesday is a no-burn day; Thursday is a no-burn day. Burn permits and local rules still apply; check with the Sonoma Valley Fire District before lighting.
Fire
No active wildfire incidents are burning in Sonoma County as of publication. In fire season, that can change within hours; sign up for SoCoAlert and follow CAL FIRE and Watch Duty for real-time notice.
Water
On Sonoma Creek this week: Sonoma Creek at Kenwood at 3.71 ft (below flood stage); Sonoma Creek at Agua Caliente at 8.64 ft (below flood stage).
The ground
1 earthquake(s) of magnitude 2.5 or greater were recorded near the valley in the past week; the largest was magnitude 3.34 — 3 km ESE of Larkfield-Wikiup, CA.
The almanac
The sun rises about 6:46 a.m. and sets about 7:27 p.m., giving 12h 41m of daylight. The moon is a waning crescent.
On this date the valley’s record (measured at Santa Rosa since 1902) is a high of 100°F, set in 1914, and a low of 32°F in 1915.
Sources: National Weather Service, CAL FIRE, U.S. Geological Survey, Bay Area Air Quality Management District, Open-Meteo. Conditions and alerts can change quickly — in an emergency, always follow official channels.