As expected, we've had a sky full of clouds over northern California today, with very little rain and snow to show for it. Another round of valley rain and mountain rain and snow mixes will move overhead late tonight and Wednesday morning. The first of two waves of unsettled weather has moved over northern California today, but most locations have received less than a tenth of an inch of rain, and many of us have received trace amounts or nothing. The second wave of showers will approach tonight, with most of the rain and snow falling before mid-morning Wednesday. Lows will range from the 20s in the mountains to the 30s and 40s elsewhere. After a chance of morning showers, we can expect decreasing clouds Wednesday afternoon and evening. Highs will be warmer, ranging from the 40s in the mountains to the mid and upper 50s to near 60 in the valley and foothills.
Our weather pattern will change quite a bit once we get past Wednesday. We'll have more sunshine and unseasonably warm temperatures on Thursday with most of us warming 7 to 10 degrees above Wednesday. A small disturbance will pass over Oregon on Friday, but it will only bring us clouds, some cooling and a slight chance of light showers to the far north. The ridge will rebuild this weekend with a return of some sunshine and for many of us the warmest highs we've had thus far in January. Another trough of low pressure will push the ridge southward early next week, but it will only lead to a few more clouds and a minor cooling trend. Overnight lows will remain warmer than average, from the 20s in the mountains to the 30s and 40s in the valley. Highs will stay well above average for January, from the 40s and 50s in the mountains to the 60s and lower 70s in the valley.