Category: Forecast

January 5, 2022 Temperatures this morning are anywhere from 5 to 16 degrees warmer than 24 hours ago while dew points are up 5 to 15 degrees. All this is due to an influx of moist air which began surging down the valley yesterday afternoon and last night. The result was the formation of a…

January 4, 2022 A flat zone of upper level high pressure covers the eastern Pacific and extends inland over central and southern California. A moist feed of energy is moving into northern California but is beginning to be nudged further north as the high expands eastward and northward. Dew points are between 3 to 9…

January 4, 2022 A weak wave of low pressure is currently moving through northern California. Light showers have spread as far south as Santa Rosa on the coast, Roseville in the Sacramento Valley and Tahoe along the Sierra Nevada. This system is moving from west to east so any precipitation will remain north of our…

January 3, 2022 High clouds are slowly increasing ahead of a Pacific storm which is tracking west to east into the Pacific Northwest and northern California. The thrust of this system is more west to east so precipitation will spread no further south than a Bay Area/Stockton line later tonight and Tuesday. Cloud cover from…

January 3, 2022 Fog is at a minimum this morning in part due to higher clouds increasing over the northern portion of the valley ahead of a fast moving low pressure system. This system will spread light showers over northern California late tonight and Tuesday. A few sprinkles may occur over Merced and Mariposa Counties.…

January 2, 2022 The last pockets of fog and low clouds have already dissipated over portions of Tulare, Fresno, and Madera Counties. Hazy sunshine prevails in all  locations with temperatures in the lower 50s as of 1:00pm. Dew points are running ini the upper 30s and lower 40s, roughly where they were 24 hours ago.…

January 2, 2022 Definitely a chilly night, as expected, with widespread upper 20s and lower 30s. considering the amount of rain we’ve received over the past few weeks, the air mass on the valley floor is fairly dry due to a weather system which moved through the Great Basin day before yesterday. The air aloft…

January 1, 2022 Central California is now under a north/northwest flow aloft, maintaining a chilly weather pattern. Occasionally during the winter season you’ll see an eddy form in the central valley. That occurs when the winds over the valley are out of the northwest. They turn in Kern County against the mountains, creating a southeast…

January 1, 2022 A fast moving cold low moved through the Great Basin overnight, creating a north/northwest flow above the valley floor. This is mixing out much of those upslope clouds that were responsible for the gray day yesterday. Most of the low clouds this morning are along the foothills of Tulare  County northward to…

There are two low pressure systems out there, neither of which is having much of an effect on California this afternoon. The first is moving through Baja. The second is diving southward through the Great Basin. The third player in all of this is upper level high pressure located just off shore and will be…