This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring.
The high pressure ridge is still over the western U.S. but has weakened a little. Today the inland areas of Northern California will be mostly sunny with some afternoon cumulus and isolated thunderstorms over the Sierra Cascades. Temperatures will be a little cooler but still 5 to 10 degrees above normal.
Thursday the high pressure area will rebuild or strengthen and will remain strong through at least the middle of next week (see map below). Thursday through Saturday the north state will be sunny and hotter with daytime temperatures 15 to 20 degrees above normal Friday and Saturday. Winds will be light. Sunday we will begin to see an increase in afternoon cumulus clouds as moisture from the south is pulled northward. There will be isolated mountains thunderstorms Sunday and increasing afternoon and evening thunderstorms over the foothills and mountains Monday through Wednesday. Temperatures will slowly cool and will be back to 4 to 8 degrees above normal by Tuesday and Wednesday.
The Old Forecaster.