NorCal forecast: Valley fog through Friday, showers Saturday
The Foothills and Sierra will see much more blue sky.
Updated: 4:28 PM PST Dec 18, 2024
STOCKTON. WITH THE FOG THIS MORNING AND LINGERING CLOUDS THIS AFTERNOON. AS YOU CAN SEE IN THIS LIVE PICTURE FROM OUR STOCKTON, WILL HERYFORD SKYCAM METEOROLOGIST HEATHER WALDMAN JOINING US. IT’S BRIGHTER NOW, BUT WILL THE FOG RETURN TOMORROW, ESPECIALLY IN THE MORNING? YEAH, IT WILL, AND ESPECIALLY IN THE SAN JOAQUIN VALLEY WHERE YOU JUST SAW OVER STOCKTON. AND YOU CAN SEE IT HERE FROM THE OVERHEAD VIEW, THE LOW CLOUDS ARE STILL LINGERING. SO WHAT’S GOING TO HAPPEN ONCE THE SUN GOES DOWN? THE AIR IS GOING TO COOL AND THAT CLOUD LAYER IS GOING TO SINK BACK DOWN. WE’VE GOT FOG AGAIN. THAT’S GOING TO STRETCH UP INTO THE SACRAMENTO VALLEY AS WELL. BUT JUST LIKE YESTERDAY IT TOOK SOME TIME. BUT EVENTUALLY THE FOG AND MOST OF THAT LOW CLOUD COVER SCOURED OUT THE EXCEPTION. SOME OF OUR FOOTHILLS COMMUNITIES JACKSON REPORTING VISIBILITY LESS THAN A QUARTER OF A MILE AT THE MAJOR REPORTING SITE. THERE. VERY PATCHY FOG. BUT LOOK AT TUOLUMNE COUNTY, OUR MODEL HERE, PICKING UP ON SOME MORE WIDESPREAD FOG IN THE WESTERN PORTION OF THE COUNTY NEAR COLUMBIA AND DOWN INTO SONORA. IT’S KIND OF BEEN THAT WAY THROUGHOUT THE DAY TODAY. SO BIG DIFFERENCES DEPENDING ON WHERE YOU ARE TODAY ACROSS NORTHERN CALIFORNIA. THIS IS WHAT OUR CAMERA LOOKS LIKE OVER DOWNTOWN SACRAMENTO. AND NICE TO GET RID OF THE CLOUDS. WE DON’T HAVE FULL BLUE SKY, BUT AT LEAST IT’S A LITTLE BIT BRIGHTER. IT’S 52 DEGREES RIGHT NOW AT EXECUTIVE AIRPORT. AUBURN HAS SEEN MORE SUNSHINE THROUGHOUT THE DAY, WITH JUST SOME OF THOSE HIGH CLOUDS MOVING THROUGH. WE HAVEN’T SEEN THE FOG IN AUBURN OR PLACERVILLE, NOR WILL WE AS WE GO THROUGH THE NEXT COUPLE OF MORNINGS, THE FOG RESULTING FROM THIS AREA OF HIGH PRESSURE. IT’S KEEPING THINGS QUIET, BUT BECAUSE THE WINDS ARE LIGHT, BECAUSE THE AIR IS VERY STABLE, THAT FOG JUST KIND OF SETTLES IN AND IT HANGS OUT UNTIL WE GET SOMETHING TO KICK IT OUT. THAT’S GOING TO BE THIS SYSTEM THAT COMES IN ON SATURDAY. JUST SOME RAIN SHOWERS, A LITTLE BIT OF SNOW SHOWER ACTIVITY, NOTHING THAT’S GOING TO PUT A BIG BUMMER ON ANY OF YOUR PLANS ON SATURDAY, BUT YOU MAY WANT TO KEEP THE UMBRELLA ON HAND JUST IN CASE. I WANT TO TAKE YOU THROUGH FUTURECAST HERE THROUGH THIS EVENING. WE’LL SEE SOME OF THOSE SCATTERED HIGH CLOUDS ONCE WE GET PAST MIDNIGHT, THE FOG WILL START TO REDEVELOP. IT WILL BE PATCHY FOR THE SACRAMENTO VALLEY, BUT YOU SEE THE BRIGHTER WHITES THERE FOR THE SAN JOAQUIN VALLEY. THAT’S WHERE THAT FOG IS GOING TO BE. THICKER, MORE WIDESPREAD. AND IT’S GOING TO LAST LONGER ONCE AGAIN TOMORROW AFTERNOON AND EVENING, THE FOG WILL LIFT. A LOT OF LOW CLOUDS WILL LINGER, AND WE’LL GET A LAYER OF HIGH CLOUDS OVER TOP OF THAT. SO JUST ANOTHER DAY. WHERE IN THE VALLEY AT LEAST, WE DON’T SEE MUCH SUNSHINE. BUT FOR THE FOOTHILLS AND THE SIERRA, WE’LL SEE PLENTY FRIDAY MORNING. YEAH. GUESS WHAT? MORE FOG AGAIN IN THE MORNING. SUNSHINE FOR THE WEST SLOPE. INCREASING HIGH CLOUDS INTO THE AFTERNOON. THOSE WILL THICKEN UP ON SATURDAY. AND HERE ARE YOUR RAIN CHANCES. THIS MODEL SHOWING THAT THEY’RE PRETTY SPARSE, BUT THEY ARE THERE FROM ABOUT 9 A.M. TO LET’S SAY 2 OR 3 P.M. AROUND THE VALLEY. MOST PLACES SEEING WELL UNDER A QUARTER OF AN INCH OF RAIN. SO EVEN LESS SO THAN WHAT WE STARTED OFF THIS WEEK ON MONDAY FOR THE SIERRA. TOMORROW AGAIN, IT’S DRY, BRIGHT SUNSHINE. ONCE THE SUN COMES UP, STARTING IN THE TEENS AROUND TAHOE AND TRUCKEE. AFTERNOON HIGHS IN THE UPPER 40S TO LOW 50S FOR THE FOOTHILLS. ANGELS CAMP AND SONORA MAY START OFF WITH SOME FOG. I THINK WE’LL SEE SOME CLEARING TOMORROW AFTERNOON. SHOULD LET HIGHS PEAK IN THE MID 60S. A MILD DAY ALONG HIGHWAY 49 AT THE COAST. SOME AREAS FROM NAPA TO SAN FRANCISCO. STARTING OFF A LITTLE BIT MURKY. WE’LL SEE SOME AFTERNOON CLEARING THERE. NOT THE CASE FOR THE SAN JOAQUIN VALLEY. ANOTHER DAY WITH GRAY, STARTING WITH FOG, ENDING WITH SOME OF THE LOW CLOUD COVER. SACRAMENTO VALLEY WILL GET A LITTLE BIT BRIGHTER INTO THE AFTERNOON. HIGH TEMPERATURES IN THE MID TO UPPER 50S EVEN VACAVILLE CLOSE TO 60 DEGREES. HERE’S A LOOK AT YOUR SEVEN DAY FORECAST. AGAIN, A FEW SHOWERS ON SATURDAY. DRY FOR SUNDAY AND MONDAY. STILL WATCHING FOR THAT RAIN AND SOME MOUNTAIN SNOW ON CHRISTMAS EVE.
NorCal forecast: Valley fog through Friday, showers Saturday
The Foothills and Sierra will see much more blue sky.
Updated: 4:28 PM PST Dec 18, 2024
More fog and low clouds lie ahead for the Central Valley on Thursday and Friday. Meanwhile the Foothills and Sierra will see plenty of blue sky.Visibility will be worst between 4 a.m. and 9 a.m. each day. Fog is possible from Butte County all the way through the Tulare Basin in Southern California. Even as visibility improves, low clouds will linger for many areas through at least midday. Both Thursday and Friday will be dry for all of Northern California. A chance for showers arrives Saturday. Rain is possible for a few hours around midday in the Valley. Accumulations will be less than a quarter of an inch in the Sacramento Valley. Numbers will be even lower in the San Joaquin Valley. Saturday's snow level will be around 7000 feet. Areas around Lake Tahoe will see light rain showers. Donner Summit could see a slushy inch or two of snow.Sunday and Monday look mainly dry with just a stray shower for some. A higher chance for widespread rain and mountain snow arrives for Christmas Eve on Tuesday.
More fog and low clouds lie ahead for the Central Valley on Thursday and Friday. Meanwhile the Foothills and Sierra will see plenty of blue sky.
Visibility will be worst between 4 a.m. and 9 a.m. each day. Fog is possible from Butte County all the way through the Tulare Basin in Southern California. Even as visibility improves, low clouds will linger for many areas through at least midday.
Both Thursday and Friday will be dry for all of Northern California.
A chance for showers arrives Saturday. Rain is possible for a few hours around midday in the Valley. Accumulations will be less than a quarter of an inch in the Sacramento Valley. Numbers will be even lower in the San Joaquin Valley.
Saturday's snow level will be around 7000 feet. Areas around Lake Tahoe will see light rain showers. Donner Summit could see a slushy inch or two of snow.
Sunday and Monday look mainly dry with just a stray shower for some. A higher chance for widespread rain and mountain snow arrives for Christmas Eve on Tuesday.