Marine Weather and Tide Forecast for Plymouth, CA

DISCUSSION

Triple digit or near-triple digit Valley highs are expected this afternoon with the exception of the Delta vicinity locations.
Widespread Moderate HeatRisk remains in place this afternoon, with areas of Major HeatRisk across the northern Sacramento Valley and adjacent foothills. Delta breeze influenced locations will see some cooling through the weekend. The Heat Advisory continues for the northern and central Sacramento Valley and adjacent foothills through 11 pm tonight. While other areas in the Valley will benefit from the Delta breeze cooling influence, especially in the evening, it remains important for everyone in interior NorCal to practice heat safety! Stay cool and hydrated, and consider checking in on those more sensitive to heat.

High temperatures continue to trend higher for the northern and central Sacramento Valley Sunday-Tuesday, with up to 110 in the northern Sacramento Valley along with overnight lows in the upper 60s to mid 70s. An Extreme Heat Warning remains in effect for the northern Sacramento Valley, adjacent mountains and foothills, and Butte County from 11 am Sunday to 11 pm Tuesday. Temperatures are forecast to trend lower mid to late week, back to near normal Thursday and Friday.

Mainly dry weather is expected into next week. A few stray showers or an isolated thunderstorm are possible over the Sierra crest south of US HWY 50 this weekend into Monday, with more widespread chances over the mountains mid to late week.

AVIATION
VFR conditions with clear skies over the next 24 hours. Winds generally less than 12 kts everywhere this afternoon, except in the vicinity of the Delta, where westerly gusts up to 25 kts remain until around 14z Sunday.


STO WATCHES/WARNINGS/ADVISORIES
Heat Advisory until 11 PM PDT this evening for Butte County Below 1000 ft-Central Colusa County Incl. I-5-Central Glenn Co & Interstate 5-Eastern Colusa County-Eastern Glenn County-N. Sac Valley in Tehama County-Shasta Metro-Sierra (Tehama-Plumas) 1000- 3000 ft-Sutter/Yuba counties below 1000 ft-W Tehama Co Foothills 1000-3000 ft-W. Glenn/Colusa Foothills 1000-3000 ft-W. Shasta County 1000-3000 ft.