Sacramento, California – Cooler air will settle across Northern California by Thursday, bringing a noticeable drop in temperatures along with increasing chances for rain and mountain snow through the weekend.
According to the National Weather Service and NOAA’s Climate Prediction Center, Northern California is in a 40 to 50 percent probability zone for below-normal temperatures from April 16 through April 20. A persistent trough along the West Coast will funnel cooler air into the region while increasing moisture.
In Sacramento and across Sacramento, Placer, and Yolo counties, highs are expected to range from 65 to 72°F during the afternoon hours, with overnight lows dipping into the mid-40s to low 50s. Along the I-5 corridor, periods of light rain could develop, especially during morning and evening hours, leading to slick road conditions.
Redding and the northern Sacramento Valley will see highs in the mid to upper 60s with scattered showers, while Chico and surrounding areas trend similarly cool. In the Sierra Nevada, including areas near Truckee and South Lake Tahoe, colder air will support periods of snow at higher elevations, especially overnight.
The precipitation outlook shows a 40 to 50 percent chance of above-normal precipitation during this period, with a mix of valley rain and mountain snow expected across the region.
Residents should prepare for cooler temperatures, wet roads, and changing conditions, particularly in higher elevations where travel could be impacted.
This cooler, unsettled pattern is expected to continue through April 20, with additional advisories likely as more systems move into Northern California early next week.
