Check Water Temperatures Before Your River Visit

Water temperatures below 70 degrees causes you to lose breathing & muscle control which can lead to drowning. The colder the water the more extreme the impacts. Enjoy the river by staying dry when water is cold. Read More >

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Last Map Update: Tue, Jul 14, 2026 at 10:54:14 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

Red Flag Warning

Coastal Flood Advisory

Small Craft Advisory

Isolated Thunderstorms this Afternoon

One More Hot Day

Red Flag Warning

Coastal Flood Advisory

There is a slight chance for dry thunderstorms today in NW CA. The highest chances (15-20%) are Tuesday afternoon in Trinity County, but there are low (10-15%) chances starting this morning across the area. New fire starts and erratic, gusty winds are possible.

One more day with above normal temperatures is expected before a few days of temperatures closer to normal. Above normal temperatures are expected to return for the weekend. For details on your location search for it on weather.gov

A Red Flag Warning has been issued for Trinity, NE Humboldt, and SW Siskiyou Counties from 1 PM Tuesday to 2 AM Wednesday. Isolated to scattered dry thunderstorms may cause new fire starts. Strong, gusty outflow winds can cause any fires to spread rapidly. While the highest thunderstorm chances are in Trinity and NE Humboldt, Mendocino, Lake, and Del Norte can still see an isolated storm.

High astronomical tides may bring minor coastal flooding impacts to low lying areas around Humboldt Bay tonight. A Coastal Flood Advisory in effect from 11PM to 2AM tonight. Minor flooding in King Salmon and the Arcata Bottoms is possible.