When I think of California, I think of Mt. Shasta or Eureka — Not particularly warm places. Redding is the furthest north major population center in California, and residents there would like to let you know that it can be pretty hot there.

At 853AM, PT, Redding was seeing clear skies, and the temperature of already 85 degrees. Some light flow onshore is bringing fog to the coast. The light, oceanic flow through the Bay Area and the fog on the coast is cooling things of a bit in northern California, though Redding is a clear hot spot, stifled and away from the maritime flow.
There is a trough moving through the Pacific Northwest through the middle of the week. Monsoonal flow and cool sea surface temperatures will ensure that there won’t be much moisture associated with the feature, so all eyes will be on the jet trough, with hopes it will break the heat. It doesn’t seem as though that will be terribly successful. If there are any impacts near Redding, it will come in the way of clearer mornings, with fog less likely on Thursday morning.
Tomorrow- Hot and partly cloudy, High 101, Low 69
Thursday – Hot and sunny High 103, Low 66

TWC: Tomorrow – Mainly sunny. High 100, Low 69
Thursday – Sunny, High 103, Low 68

AW: Tomorrow – Mostly sunny, High 100, Low 71
Thursday – Mostly sunny and very warm High 102, Low 68

NWS: Tomorrow – Sunny and hot, High 99, Low 71
Thursday – Sunny and hot, High 102, low 70

WB: Tomorrow – Sunny, High 100, Low 73
Thursday – Sunny, High 102, Low 68

WN: Tomorrow – Sunny, High 99, Low 71
Thursday – Sunny, High 101, Low 70

FIO: Tomorrow – Clear throughout the day. High 101, Low 73
Thursday – Clear throughout the day. High 104, Low 69

That’s pretty hot, as promised. And also as promised, it will be cooler tomorrow and Thursday than today, where forecast highs are about 105. Enjoy that relief! Here is the satellite, with low clouds along the coast.