Cooler temperatures & more thunderstorms ahead

Showers and thunderstorms will ramp up, and spread across more portions of Northern California through the end of the week. A cooling trend is ahead, and then a big rebound back to hot temperatures is on the way.

Posted: May 23, 2018 7:06 AM

You're going to want to grab that jacket and umbrella before you head out the door in the mountains today, but valley areas are expected to stay mostly dry for your Wednesday. The cooling trend will continue today, and mountain areas are expecting more showers and thunderstorms. Temperatures have dipped into the 50's to low 60's in the valley overnight, and into the 40's to 50's in the mountains. Showers and thunderstorms wrapped up late last night in the mountains, and we've been left with cloudy skies lingering across the region this morning. Showers will more than likely start to develop between 10 to 11 am in the mountains, and will ramp up heading into your afternoon hours. There will be a slight chance for showers and thunderstorms to brush through the Northern end of the valley this afternoon, but it does look like most of the activity will be constrained to the mountains. Winds will be out of the South to 15mph, with gusts to 25mph this afternoon. Humidity is projected to stay higher today, which will help to keep fire danger in the moderate range despite the stronger winds. High temperatures will end up in the low to mid 80's this afternoon, and mountain areas will mostly end up in the 70's.

The cooling trend will continue through the next few days, and the potential for active weather will become more widespread. Clouds will be increasing for your Thursday, and we have a decent chance for showers and thunderstorms extending into the valley on Thursday evening. There will be a 20 percent chance for showers and thunderstorms to extend into the valley on Thursday evening, and a 30 percent chance for active weather in the valley on Friday. Temperatures will top out in the high 70's to low 80's in the valley tomorrow, and will then cool into the low to mid 70's for Friday afternoon. Friday will have the best chance for widespread wet weather in your extended forecast.

There will be a lingering chance for active weather across Northern California for the morning on Saturday, but that will fizzle out through the day. Clearing skies, and high temperatures in the high 70's will return for Saturday afternoon in the valley. Sunday looks dry and mostly sunny, with high temperatures warming back into the mid to high 80's. We will stay dry and sunny on Memorial Day, and temperatures in the valley are expected to climb into the low to mid 90's. Even warmer temperatures are expected on Tuesday, with valley areas ending up in the mid 90's.

California Coronavirus Cases

Data is updated nightly.

Cases: 3235045

Reported Deaths: 38268
CountyCasesDeaths
Los Angeles108548815614
San Bernardino2685421719
Riverside2668492970
Orange2391752768
San Diego2300662421
Santa Clara991741278
Kern91119591
Fresno863361084
Sacramento846531194
Alameda71298906
Ventura67066546
San Joaquin60545844
Contra Costa55593492
Stanislaus49500803
Tulare43574542
Monterey38434261
San Mateo34510356
San Francisco30734293
Santa Barbara27149267
Solano27141118
Imperial25745510
Merced25743332
Sonoma25160251
Kings20223161
Placer18034188
San Luis Obispo17151161
Madera14068175
Santa Cruz13088136
Marin12067166
Yolo11276146
Shasta10144132
Butte9865136
El Dorado824566
Sutter812984
Napa807050
Lassen530916
San Benito523851
Yuba522730
Tehama456446
Tuolumne351241
Nevada339473
Mendocino332236
Amador307433
Lake272932
Humboldt265227
Glenn202822
Colusa19079
Calaveras171323
Siskiyou150413
Mono11454
Inyo105329
Del Norte8783
Plumas6185
Modoc3924
Mariposa3575
Trinity3065
Sierra950
Alpine740
Unassigned00
Chico
Cloudy
45° wxIcon
Hi: 50° Lo: 39°
Feels Like: 42°
Oroville
Cloudy
48° wxIcon
Hi: 49° Lo: 38°
Feels Like: 42°
Chico
Cloudy
45° wxIcon
Hi: 42° Lo: 31°
Feels Like: 42°
Red Bluff
Cloudy
45° wxIcon
Hi: 31° Lo: 24°
Feels Like: 42°
Red Bluff
Cloudy
45° wxIcon
Hi: 48° Lo: 33°
Feels Like: 42°
Chico
Cloudy
45° wxIcon
Hi: 51° Lo: 39°
Feels Like: 42°
The first wave of rain, snow and wind has moved over California, but many more chances for rain, snow and gusty wind are in our short term and long term forecast. After a relatively quiet evening, we can expect more rain and snow starting early Thursday morning.
KHSL Severe
KHSL Radar
KHSL Temperatures

Community Events