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Storm Tracker Forecast: Not as hot today but dangerous heat is ahead

Temperatures will not be as hot today, and air quality is starting out in a decent range this morning. Bigger impacts to air quality will return later this week and dangerous heat is on the way for your Labor Day Weekend.

Posted: Sep 2, 2020 6:29 AM

Temperatures will stay around or above average in most areas today but will be several degrees cooler than yesterday, and air quality will stay in a decent range for most of the day. High pressure off to our east in the Desert Southwest and off the coast in the Pacific will be keeping us dry and very warm today. High pressure willl then build into our region this weekend and that will result in a big uptick in temperatures. The National Weather Service out of Sacramento has issued an Excessive Heat Watch from Saturday through Tuesday in your extended forecast.

Skies are clear and air quality is mostly in the good to moderate range across northern California for the start of your Wednesday. Temperatures are starting out cooler in most areas with lighter winds to start the day. Valley and foothill areas are in the 60's to low 70's this morning, while mountain areas are ranging from the high 40's to low 50's in the Sierra/Cascades to the 60's in the Northern Mountains. Winds are mostly light and out of the northeast this morning, but will be up to around 10mph out of the south this afternoon. The shift in the winds will likely result in a modest decrease in air quality heading into your afternoon, but will also keep out temperatures several degrees cooler than Tuesday. Humidity is expected to be slightly higer and will mostly end up in the 20 to 35 percent range this afternoon. High temperatures are projected to end up in the 91 to 102 degree range in the valley, while foothill and mountain areas end up in the mid 80's to mid 90's. Higher humidity, lighter winds, and cooler temperatures will put fire danger back into the moderate to high range today. Without the impacts of dry fuels fire danger would exclusively be in the moderate range, but unfortunately we do have very dry fuels.

High pressure from the Desert Southwest will build into our region over the next several days and that will result in a modest increase in high tempratures through the end of the week. Smoke will likely have bigger impacts to air quality later this week, so enjoy the improved conditions while they last. High pressure from our east will continue to build as we head into your weekend and that will result in a major uptick in high temperatures from Saturday through at least Labor Day on Monday. The current forecast puts valley areas in the 104 to 112 degree range from Saturday through Monday, while mountain and foothill areas top out in the 90's to lower triple digits. An Excessive Heat Watch has been put in place by the National Weather Service out of Sacramento from Saturday morning through Tuesday afternoon, but that could be allowed to expire on Monday. Models are currently hinting at an inside slider bringing a drop in temperatures to your Tuesday forecast, but it's still a little too early to tell how big of an impact that will have on northern California. Plan ahead for the hotter temperatures this weekend, and make sure you're doing everything you can to stay safe in the hotter conditions ahead. Dress for the heat, drink plenty of water, and stay inside somewhere with air conditioning as much as possible during the afternoon hours.

California Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 893364

Reported Deaths: 17256
CountyConfirmedDeaths
Los Angeles2940656956
Riverside653861279
San Bernardino615501070
Orange578481434
San Diego53498866
Kern33630415
Fresno30328430
Sacramento24957480
Santa Clara23679385
Alameda23001456
San Joaquin21473488
Contra Costa18342240
Stanislaus17455395
Tulare17365282
Ventura14050160
Imperial12668336
San Francisco12000138
Monterey1122586
San Mateo10961157
Santa Barbara9688119
Merced9415154
Sonoma9099134
Kings818683
Solano724974
Marin7038128
Madera494574
San Luis Obispo409232
Placer405257
Yolo311958
Butte304151
Santa Cruz274425
Napa191815
Shasta183930
Sutter183012
San Benito141915
El Dorado13064
Yuba128810
Mendocino111821
Tehama8248
Lassen7641
Lake67815
Glenn6493
Nevada6018
Humboldt5619
Colusa5496
Calaveras33917
Amador31316
Tuolumne2584
Inyo22015
Siskiyou1870
Mono1762
Del Norte1751
Mariposa782
Plumas630
Modoc280
Trinity250
Sierra60
Alpine30
Unassigned00
Chico
Clear
79° wxIcon
Hi: 81° Lo: 48°
Feels Like: 79°
Oroville
Clear
78° wxIcon
Hi: 79° Lo: 49°
Feels Like: 78°
Paradise
Clear
79° wxIcon
Hi: 74° Lo: 51°
Feels Like: 79°
Chester
Clear
59° wxIcon
Hi: 66° Lo: 38°
Feels Like: 59°
Red Bluff
Clear
81° wxIcon
Hi: 82° Lo: 49°
Feels Like: 81°
Willows
Clear
79° wxIcon
Hi: 82° Lo: 45°
Feels Like: 79°
Winds will not be as strong today, but the Red Flag Warning for high fire danger will continue through 5pm. Pleasant conditions are ahead for your Saturday, but then a more substantial wind event will bring extreme fire danger back into our forecast from Sunday through Monday.
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