Storm Tracker Forecast: Improving air quality & elevated fire danger today

Gusty winds will continue to improve air quality and keep fire danger elevated today. Cooler temperatures and the potential for shower will return to our region for the end of this week.

Posted: Sep 16, 2020 6:06 AM

Not much is expected to change in your forecast today, but temperatures may end up a degree or two cooler than Tuesday. Gusty winds out of the south will continue to result in improving air quality this afternoon, but will also result in elevated fire danger this afternoon. A Red Flag Warning for high fire danger is set to go into effect at 1PM and last through 8PM in portions of Siskiyou and Modoc Counties. Wind gusts up to 35mph out of the southwest will be possible, and humidity will dip to as low as 10 percent in that area. A Fire Weather Watch is set to go into effect for portions of the Southern Cascades and Eastern Slopes of the Sierra on Thursday morning and is set to last through Friday evening. Gusty winds out of the south and low humidity will be the main concern for elevated fire danger. It would not be surprising to see this upgraded to a Red Flag Warning but winds are not expected to be as strong as this afternoon during that time.

Low pressure tracking towards the Pacific Northwest from the Pacific is going to bring another round of gusty south winds to our region today. Air quality does look better than this time yesterday, and is mostly starting out in the moderate to unhealthy for sensitive groups range in the valley, while some areas are still stuck in the unhealthy range this morning. Visibility does look a little better than yesterday morning, but will still be an issue for your morning commute. Temperatures are starting out in the 50's to 60's in the valley and foothills, and in the 30's to 50's in the mountains. Winds are up to around 10mph out of the northeast in some areas this morning, but south winds will pick back up this afternoon. Most of us will have south winds to around 10mph later today, but gusts could reach up to 30mph in some mountain areas. High temperatures will range from the high 80's to low 90's in the valley, while foothill and mountain areas top out in the high 70's to mid 80's this afternoon. Humitidy is projected to dip into the 15 to 30 percent range for most of our region, but could dip to as low as 10 percent in the northeast portions of California. The gusty winds, dry fuels, and low humidity will keep fire danger in the high range today.

Low pressure will begin to track into the Pacific Northwest on Thursday and that will push a cold front through northern California. Our temperatures will drop by around 5 degrees compared to Wednesday, and there will be potential for showers and thunderstorms in the Nothern Mountains. This will also bring another round of gusty south winds to higher elevations in Plumas, Lassen, Modoc, and Siskiyou Counties. Friday will be even cooler than Thursday, with valley areas topping out in the mid to high 70's. Foothill and mountain areas will mostly end up in the upper 60's to lower 70's on Friday afternoon. Showers are expected to become more widespread over the northern portion of our region, with a slight chance for some showers making it into the Redding area. The best chance for showers will be in areas closest to the coast and the Oregon border. The low pressure to our north will move east as we head into your weekend and that will allow temperatures to warm back into the low to mid 80's in the valley on Saturday. Most mountain and foothill areas will still end up in the 70's for the first half of your weekend. More warming is expected on Sunday, with valley areas projected to end up in the upper 80's to low 90's. Mountain and foothill areas will top out in the 70's to 80's on Sunday afternoon. The temperature trend is not expected to change much from Sunday through the start of next week, but the current projections do show a modest drop in temperatures from Monday into Tuesday. High pressure may bring additional warming back into our forecast from the middle to latter part of next week.

California Coronavirus Cases

Data is updated nightly.

Cases: 3543340

Reported Deaths: 49888
CountyCasesDeaths
Los Angeles118349620069
Riverside2885413695
San Bernardino2850812651
Orange2598573848
San Diego2578053218
Santa Clara1095061747
Kern102137786
Fresno945841397
Sacramento926211446
Alameda797961200
Ventura76947805
San Joaquin662901042
Contra Costa61865653
Stanislaus55487937
Tulare47680731
Monterey42016323
San Mateo38552502
San Francisco33947394
Santa Barbara31630398
Solano29882161
Merced28749393
Sonoma27845295
Imperial26840587
Kings21916218
Placer19661231
San Luis Obispo19500221
Madera15325201
Santa Cruz14516174
Marin13083197
Yolo12689185
Shasta10950172
Butte10855158
El Dorado906995
Napa895068
Sutter881896
San Benito572358
Yuba571936
Lassen559419
Tehama506852
Tuolumne392959
Nevada390974
Mendocino379043
Amador343840
Humboldt313633
Lake310740
Glenn220723
Colusa212513
Calaveras190225
Siskiyou172013
Inyo127835
Mono12084
Del Norte9765
Plumas6516
Modoc4504
Mariposa3937
Trinity3525
Sierra990
Alpine800
Unassigned00
Chico
Clear
46° wxIcon
Hi: 64° Lo: 39°
Feels Like: 44°
Oroville
Clear
51° wxIcon
Hi: 65° Lo: 49°
Feels Like: 51°
Chico
Clear
46° wxIcon
Hi: 57° Lo: 44°
Feels Like: 44°
Red Bluff
Clear
52° wxIcon
Hi: 38° Lo: 16°
Feels Like: 52°
Red Bluff
Clear
52° wxIcon
Hi: 59° Lo: 46°
Feels Like: 52°
Chico
Clear
48° wxIcon
Hi: 64° Lo: 48°
Feels Like: 45°
Strong wind continues to blow through the valley this afternoon, and will last through the evening. Thursday will still be a fairly breezy day, but the wind won't be as strong and our temperatures will be warmer. More wind is coming Friday and Saturday.
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