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Foggy this morning then soggy this evening

Heavier rain and snow will bring big travel impacts just before Christmas

Posted: Dec 20, 2018 6:50 AM

Get that umbrella handy, and make sure to give yourself extra time to get to where you're going today. Fog will impact visibility for your morning commute, and showers will be returning for your drive home. Fog has become dense in some areas overnight, and left some areas with visibility under a mile for the start of your Thursday. We're starting out dry, but a band of showers will track from Northwest to Southeast across the region this afternoon through tomorrow morning. Temperatures have dipped into the mid 40's to low 50's in the valley this morning, and into the 20's to 30's in the mountains early today. A heavier jacket may be a good idea with the cooler temperatures, and showers in today's forecast. Winds are expected to stay on the lighter side out of the Southeast, but could get up to around 10mph this afternoon. High temperatures will end up in the mid to high 50's in the valley, and into the 40's to low 50's in the mountains this afternoon. Showers will become more widespread tonight, and are then expected to fizzle out early Friday. Snow levels will be down to around 6000'.

Some showers could linger in the Sierra through Friday afternoon, but most areas are expected to stay dry after tomorrow morning. Temperatures will not change compared to today, and will end up back in the mid to high 50's in the valley. We'll stay dry for the better part of Saturday, before another round of showers returns on Saturday night. The wet weather could persist through the day on Sunday, but will taper off by Sunday night. A more potent storm system will arrive on Christmas Eve, and could last through Christmas Day. That system will pack more of a punch when it comes to moisture, and could result in upwards of a foot of snow in some higher elevations. Snow levels could dip to as low as 4000', and mountain travel is expected to be impacted. Make sure you plan your travels accordingly, and have chains or a 4wd vehicle if you're going to be heading through pass areas for the start of next week. Models are split on the remainder of next week, but more showers will be possible on Thursday and Friday.

California Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 516851

Reported Deaths: 9441
CountyConfirmedDeaths
Los Angeles1938774702
Orange37813651
Riverside37011695
San Bernardino33432418
San Diego29883565
Kern20651144
Fresno15083138
San Joaquin11885180
Alameda11524189
Santa Clara10794191
Sacramento10122145
Tulare9745189
Imperial9448222
Stanislaus9221112
Contra Costa8033127
Ventura734476
San Francisco691661
Santa Barbara616760
San Mateo5683119
Marin509270
Monterey492430
Kings445356
Merced428550
Solano361137
Sonoma311339
Madera194330
Placer192516
San Luis Obispo190216
Yolo157242
Santa Cruz11524
Butte9417
Napa8888
Sutter7976
San Benito6474
El Dorado6371
Lassen6260
Yuba5024
Shasta3909
Glenn3321
Colusa3314
Mendocino3229
Nevada2991
Tehama2341
Humboldt2334
Lake2081
Mono1451
Tuolumne1412
Amador1260
Calaveras1251
Del Norte880
Siskiyou730
Inyo611
Mariposa572
Plumas330
Trinity50
Alpine20
Modoc20
Sierra20
Unassigned00
Chico
Clear
86° wxIcon
Hi: 98° Lo: 62°
Feels Like: 86°
Oroville
Clear
87° wxIcon
Hi: 99° Lo: 62°
Feels Like: 87°
Paradise
Clear
86° wxIcon
Hi: 91° Lo: 61°
Feels Like: 86°
Chester
Clear
77° wxIcon
Hi: 83° Lo: 56°
Feels Like: 77°
Red Bluff
Clear
87° wxIcon
Hi: 99° Lo: 65°
Feels Like: 88°
Willows
Clear
86° wxIcon
Hi: 101° Lo: 60°
Feels Like: 86°
It was a slightly cooler day for northern California today, but a more significant cooling is arriving tomorrow, along with a slight chance for showers and thunderstorms over the mountains of northwest California.
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