High pressure building into the West Coast from the Pacific has brought warmer temperatures, gusty North winds, and very dry conditions to Northern California on Wednesday. The low humidity and gusty winds have prompted a Red Flag Warning for high fire danger that is set to stay in in effect through 8pm on Thursday. A Wind Advisory is also in effect in the valley through 8pm tonight. Sustained winds have been up to around 30mph out of the North today and gusts up to 40mph will be possible into this evening. Humidity mostly dipped into the teens this afternoon, and temepratures ended up back to around average for this time of year. Valley areas topped out in the 80's to low 90's, while foothill and mountain areas ended up in the 70's to 80's.
Gusty winds and low humidity will persist on Thursday restulting in one more day of high fire danger over Northern California. We'll also be getting hotter on Thursday afternoon. Skies will be sunny, and winds will be out of the North to around 15mph. Gusts up to 30mph will still be possible through the day and humidity will dip into the teens on Thursday afternoon.
High pressure will be centered over Northern California on Friday, which will restult in lighter winds and hotter temperatures. Triple digit heat is on the way to the valley on Friday, while mountain and foothill areas end up in the 80's to 90's. High pressure will slowly track to our Southeast through the remainder of our 7 day forecast and will continue to be the dominant impact on our region. Valley areas will have low temperatures in the 60's to low 70's from Friday through the middle of next week and high temperatures in the triple digits. Foothill areas will start out in the 60's to low 70's and end up in the low to mid 90's from Friday through the middle of next week. Mountain areas will dip into the 40's to 50's and end up in the high 80's to mid 90's for the remainder of your 7 day forecast.