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

Gusty south winds will continue to improve air quality today, but it will also leave us with elevated fire danger. Cooler temperatures and the potential for showers are on the way in your late week forecast.

Posted: Sep 15, 2020 6:30 AM

Air quality has improved quite a bit over the last 24 hours, but fire danger is staying elevated in your Tuesday forecast. Low pressure off the coast in the Pacific will continue to drive gusty south winds through our region today, but they are not expected to be as strong as yesterday. A Red Flag Warning for high fire danger will be in effect from noon through 8PM today for portions of Modoc and Siskiyou Counties due to the gusty winds and low humidity. Gusts up to around 35mph will be possible, and humidity will bottom out in the teens in that area. Smoke will continue to impact air quality but our region has benefitted from the stronger winds on Monday. We'll continue to see air quality improve with the south winds today. Most of our region is hovering between the moderate to unhealthy range for air quality this morning.

Temperatures are starting out in the 50's to 60's in the valley and foothills, while mountain areas are ranging from the upper 30's to 50's early this morning. Winds are mostly light and out of the northeast, but will shift to become out of the south to 15mph this afternoon. Gusts up to around 20mph will be possible in most areas. Humidity will dip into the teens to around 30 percent this afternoon for the majority of our region. The dry and windy conditions will bring elevated fire danger today. Fire danger will be back in the high range this afternoon. High temperatures will range from the upper 80's to mid 90's in the valley, while foothill and mountian areas mostly end up in the mid 80's this afternoon.

Low pressure will move into the Pacific Northwest on Thursday, and that will bring some changes to our forecast. The potential for showers and thunderstorms will return to our northern zones and coastal areas for Thursday and Friday, while temperatures get a little cooler. Valley areas will top out in the lower 80's on Thursday and will then dip into the mid to high 70's on Friday. Foothill and mountain areas can expect high temeratures in the mid to high 70's on Thursday, and then in the upper 60's to lower 70's on Friday afternoon. Winds out of the southwest will be picking up during this time, and that should help our air quality. There will be an increase in fire danger due to the stronger winds and the threat of thunderstorms.

Low pressure will move off to our east on Saturday and high pressure will build across our region. This will result in dry weather, and the return of moderate north winds. Air quality may become more impacted again during this time depending on fire behavior, and high temperatures will warm back into the mid 80's in the valley on Saturday. Mountain and foothill areas will climb back into the mid to upper 70's on Saturday. Sunday will bring temperatures back into the 80's to lower 90's in the valley, and into the 70's to lower 80's in the foothills and mountains. Conditions will be similar to Sunday on Monday.

California Coronavirus Cases

Data is updated nightly.

Cases: 3563578

Reported Deaths: 51953
CountyCasesDeaths
Los Angeles119089421328
Riverside2894503767
San Bernardino2862912816
Orange2610223904
San Diego2596413271
Santa Clara1104221777
Kern102627826
Fresno952021443
Sacramento931801472
Alameda804961241
Ventura77534844
San Joaquin665691101
Contra Costa62164674
Stanislaus56024946
Tulare47784758
Monterey42138328
San Mateo38922515
San Francisco34213410
Santa Barbara31763409
Solano30024164
Merced28915397
Sonoma28063298
Imperial26888591
Kings21951218
Placer19763232
San Luis Obispo19612227
Madera15436209
Santa Cruz14588183
Marin13136197
Yolo12816185
Shasta10972174
Butte10941160
El Dorado9095100
Napa901469
Sutter884597
San Benito575959
Yuba573336
Lassen560119
Tehama508152
Nevada395274
Tuolumne394659
Mendocino379643
Amador345741
Humboldt318033
Lake315341
Glenn222023
Colusa212813
Calaveras190547
Siskiyou174014
Inyo128737
Mono12114
Del Norte9875
Plumas6536
Modoc4524
Mariposa3957
Trinity3675
Sierra990
Alpine810
Unassigned00
Chico
Partly Cloudy
57° wxIcon
Hi: 70° Lo: 36°
Feels Like: 57°
Oroville
Clear
56° wxIcon
Hi: 65° Lo: 48°
Feels Like: 56°
Chico
Clear
57° wxIcon
Hi: 61° Lo: 44°
Feels Like: 57°
Red Bluff
Clear
59° wxIcon
Hi: 46° Lo: 16°
Feels Like: 59°
Red Bluff
Clear
59° wxIcon
Hi: 67° Lo: 43°
Feels Like: 59°
Chico
Clear
57° wxIcon
Hi: 72° Lo: 44°
Feels Like: 57°
After a windy Saturday and fairly breezy Sunday, the wind we've had is weakening as the month of February comes to a close. We can expect a mostly clear first morning of March, followed by more clouds and mild air by the afternoon.
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