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Unhealthy air quality & high fire danger ahead for Northern California

Low humidity and stronger winds will prompt a Red Flag Warning in Northern California to end your work week

Posted: Aug 9, 2018 6:36 AM

Unhealthy air quality and hot temperatures will continue to be the big issues in your forecast today, but fire danger is on the rise for the end of your work week. A Red Flag Warning will go into effect at 2pm this afternoon, and is expected to stay in place through 11pm Saturday for the entire valley, the foothills and portions of the Sierra. Gusty South winds and low humidity will be the main driving factor behind higher fire danger. A more short lived Fire Weather Watch will be in place for Friday afternoon and evening in the higher elevations of the Sierra and Cascades.

Air quality will continue to range from moderate to unhealthy across Northern California today. Health official continue to advise people to limit their time outdoors, and do their best not to exert themselves in the poor air quality today. Temperatures have dipped into the mid 60's in the valley this morning, and mountain areas have dipped into the high 40's to mid 50's overnight. Winds are mostly light and out of the North this morning, but will be picking up out of the South this afternoon. Stronger South winds are expected to develop tonight. Sustained winds will be up to 15mph, with gusts up to 30mph tonight. Humidity will likely dip into the 10 to 25 percent range over the next few days, and will struggle to recover overnight. High temperatures will continue to top out in the high 90's to low triple digits in the valley this afternoon, and mountain areas are projected to end up in the mid 90's later today.

Temperatures will start to slide downward over the next few days, but will still be in the mid to high 90's in the valley this weekend. The low humidity and gusty South winds will be the main driving factor in elevated fire danger through Saturday night. Winds will start to slack on Sunday and humidity will not stay as low heading into the start of next week. Valley temperatures will stay in the mid to high 90's for the start to middle of next week. Mountain areas will mostly range from the mid 80's to mid 90's heading into next week.

California Coronavirus Cases

Data is updated nightly.

Cases: 1230264

Reported Deaths: 19173
CountyCasesDeaths
Los Angeles4009197655
San Bernardino936711129
Riverside873831437
San Diego82043997
Orange785531577
Kern41827448
Fresno38568481
Sacramento37415576
Santa Clara35085476
Alameda29918512
San Joaquin25740502
Contra Costa24275261
Stanislaus22162426
Tulare20793308
Ventura19952175
Imperial16272356
Monterey15621122
San Francisco15571160
San Mateo14458170
Sonoma12319157
Merced11773179
Santa Barbara11520135
Kings1127087
Solano1064881
Marin7777129
Placer662270
Madera629085
San Luis Obispo614536
Shasta496347
Yolo489377
Santa Cruz449028
Butte400859
Sutter333216
Napa309017
El Dorado24474
Yuba203610
San Benito189316
Lassen17933
Tehama171025
Mendocino158023
Nevada13119
Tuolumne10358
Glenn9518
Lake92719
Humboldt8989
Colusa7236
Siskiyou6242
Amador59016
Mono5483
Calaveras47822
Del Norte3391
Inyo29016
Plumas2150
Trinity1590
Modoc1430
Mariposa1392
Alpine500
Sierra190
Unassigned00
Chico
Clear
48° wxIcon
Hi: 67° Lo: 38°
Feels Like: 46°
Oroville
Clear
48° wxIcon
Hi: 63° Lo: 37°
Feels Like: 45°
Paradise
Clear
48° wxIcon
Hi: 62° Lo: 40°
Feels Like: 46°
Chester
Clear
21° wxIcon
Hi: 51° Lo: 26°
Feels Like: 15°
Red Bluff
Clear
41° wxIcon
Hi: 70° Lo: 38°
Feels Like: 41°
Willows
Clear
48° wxIcon
Hi: 71° Lo: 36°
Feels Like: 46°
December began on a beautiful note for northern California with plentiful sunshine, seasonably cool lows and warmer than average highs. Much of wednesday will be similar to today, but clouds will stream into our sky late in the day.
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