Red Flag Warning Ahead!

High Fire Danger over the next two days with warm temperatures, windy conditions and very low humidity.

Posted: Sep 19, 2018 9:12 PM

Warmer temperatures and elevated fire danger are on the way for the rest of your week across Northern California. Skies are clear to mostly clear for the start of your Wednesday, and will stay sunny to mostly sunny today. Haze from active wildfires may become more widespread today, as winds pick up out of the North. Temperatures have dipped into the mid 50's for most of the valley overnight, and mountain areas are starting out in the 30's to 40's this morning. Winds are out of the Northeast to around 10mph early today, and will pick up to around 15mph out of the Northwest this afternoon. Stronger winds will develop tonight into tomorrow, and that will contribute to the increasing fire danger. Humidity will also play a role in the elevated fire danger. Humidity did not recover all that well overnight, and is projected to dip into the 10 to 25 percent range this afternoon. High temperatures are projected to climb into the low 90's in the valley this afternoon, and into the 70's to mid 80's in the mountains. A Fire Weather Watch or Red Flag Warning is set to go into effect at 7pm Wednesday evening, and stay in place through 7pm Thursday afternoon.

Stronger North winds, low humidity, and warmer temperatures will all contribute to making Thursday the most concerning fire danger day of this week. Temperatures will be a few degrees warmer than Wednesday, and winds will gusts up to around 30mph out of the North. The gusty North winds will push haze from the active fires into the valley for the end of the week, and air quality will become more impacted on Thursday. Friday may actually end up a few degrees cooler than Thursday, as a cooler system passes through to our North. Valley areas are projected to range from the high 80's to low 90's from Friday through Sunday. The fall season officially arrives on Saturday evening, making Sunday your first full day of the fall season.

There has been some changes to the longer range forecast for next week. The latest models are showing high pressure building out in the Eastern Pacific early next week, and that will result in dry weather and warmer temperatures through the middle of next week. Valley areas will end up back in the low to mid 90's from Monday through Wednesday.

California Coronavirus Cases

Data is updated nightly.

Cases: 1171802

Reported Deaths: 19025
CountyCasesDeaths
Los Angeles3832757580
San Bernardino884691129
Riverside850771434
San Diego75307988
Orange731521559
Kern39990448
Fresno37349477
Sacramento35739566
Santa Clara32454476
Alameda28378502
San Joaquin25675502
Contra Costa23381260
Stanislaus21145422
Tulare20550308
Ventura18914175
Imperial15725356
San Francisco15053160
Monterey14695116
San Mateo13707170
Sonoma11846157
Merced11537179
Santa Barbara11205135
Kings1044087
Solano1003681
Marin7628129
Placer622468
Madera604785
San Luis Obispo595635
Shasta460147
Yolo456174
Santa Cruz420228
Butte385359
Sutter314415
Napa294517
El Dorado21544
Yuba198110
San Benito181316
Lassen17733
Tehama158725
Mendocino148522
Nevada11839
Tuolumne9088
Glenn8918
Lake88619
Humboldt8199
Colusa6946
Siskiyou6242
Mono5243
Amador48416
Calaveras47522
Del Norte3131
Inyo29016
Plumas2050
Trinity1390
Mariposa1262
Modoc1220
Alpine470
Sierra190
Unassigned00
Chico
Clear
54° wxIcon
Hi: 62° Lo: 34°
Feels Like: 54°
Oroville
Clear
51° wxIcon
Hi: 60° Lo: 36°
Feels Like: 51°
Paradise
Clear
54° wxIcon
Hi: 55° Lo: 39°
Feels Like: 54°
Chester
Clear
37° wxIcon
Hi: 50° Lo: 27°
Feels Like: 33°
Red Bluff
Clear
48° wxIcon
Hi: 66° Lo: 34°
Feels Like: 45°
Willows
Clear
54° wxIcon
Hi: 65° Lo: 34°
Feels Like: 54°
The final Friday of November was a beautiful one for northern California with plentiful sunshine, warmer than average temperatures and weaker wind. We can expect plenty of sunshine and continued mild weather this weekend.
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