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Storm Tracker Forecast: Hazardous air may improve but fire danger remains high

Air quality is awful but improvement can be expected over the next few days as winds shift and pick up. But with stronger winds also comes more fire danger.

Posted: Sep 13, 2020 5:41 PM

Air quality is hazardous in Chico, Oroville and for many areas in the Sierra. Fire danger is also high with RED FLAG WARNINGS in place for some. Temperatures today will be in the upper-80s to low-90s with smoky haze or overcast continuing.

Winds are expected to pick up from the south today in the afternoon and evening gusting 20-25 mph in the mountains and foothills and gusting up to 20 mph in the valley. This will increase fire danger and possibly give ongoing fires quicker growth in the northward directions. A RED FLAG WARNING is in place in Siskiyou and Modoc counties due to the expected increase in winds.

The reason for the strong winds in a low pressure system off the coast. It is still pretty far out but as it moves closer, winds will increase.

Tomorrow this system will be even closer and strong which means strong winds tomorrow. A RED FLAG WARNING is in place for the Sierra-Cascades mountains and foothills for Monday and again for counties near the Oregon border as well. Winds again will be coming in from the south and blowing towards the north. This time gusting up to 20 mph in the Valley and gusting up to 35 mph in the mountains and foothills.

The good news with all of the wind is that it will help mix out a lot of this smoke and carry it away from our area. The improvement won't be instant, but you can expect a gradual daily improvement in air quality assuming more large fires don't pop up.

The low-pressure system off the coast will move inland on Thursday and Friday. This will decrease daily highs into the low-80s to upper-70s in the valley and bring a few clouds in the valley as well. It will also bring more moisture whinch in turn could spark a few showers or thunderstorms in the mountains farther north or towards the coast. These will not be significant, but its something.

We will warm up again and stay sunny next week with a dry, north wind returning.

California Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 923648

Reported Deaths: 17559
CountyConfirmedDeaths
Los Angeles3050707044
Riverside675521306
San Bernardino641311073
Orange594421468
San Diego55898885
Kern34114420
Fresno31195439
Sacramento25882499
Santa Clara24665404
Alameda23636463
San Joaquin21988492
Contra Costa18877243
Stanislaus17814400
Tulare17730291
Ventura14409166
Imperial13023338
San Francisco12277145
Monterey1153892
San Mateo11278159
Santa Barbara9886126
Sonoma9601136
Merced9588155
Kings848683
Solano758676
Marin7107127
Madera506676
Placer429059
San Luis Obispo424032
Yolo325060
Butte313453
Santa Cruz284825
Shasta199931
Napa199816
Sutter188912
San Benito144915
El Dorado13684
Yuba133810
Mendocino115421
Tehama9219
Lassen7711
Lake70216
Glenn6793
Nevada6328
Humboldt56910
Colusa5536
Calaveras34721
Amador33716
Tuolumne2855
Inyo24015
Siskiyou2140
Mono1822
Del Norte1801
Mariposa812
Plumas760
Modoc450
Trinity280
Sierra60
Alpine40
Unassigned00
Chico
Overcast
55° wxIcon
Hi: 80° Lo: 44°
Feels Like: 55°
Oroville
Clear
55° wxIcon
Hi: 80° Lo: 47°
Feels Like: 55°
Paradise
Overcast
55° wxIcon
Hi: 75° Lo: 52°
Feels Like: 55°
Chester
Clear
34° wxIcon
Hi: 69° Lo: 37°
Feels Like: 34°
Red Bluff
Clear
52° wxIcon
Hi: 81° Lo: 47°
Feels Like: 52°
Willows
Overcast
55° wxIcon
Hi: 81° Lo: 45°
Feels Like: 55°
We're closing out the month of October on a beautiful note weather-wise over northern California with plenty of sunshine and above-average temperatures. Halloween will bring slightly warmer temperatures and more sunshine.
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