KOLO 8 News Now | Northern Nevada, Reno, Lake Tahoe | First Alert Weather

Red Flag Warning

Areas Affected: Central Sacramento Valley including Glenn, Colusa, Yuba, Northern Sutter, Butte County Below 1000 Ft; E Mendocino NF; Eastern Portion of Shasta, Trinity NF; Lake County Portion of Lake-Nappa-Sonoma RU; Northern Motherlode From 1000 to 3000 Ft. From Yuba To Amador Counties; Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft; Northern Sierra Foothills from 1000 to 3000 Ft. Includes Nevada-Yuba-Placer RU and Anador-Eldorado RU; Northern Sierra Including Lassen NP and Plumas and Lassen NF, S West of the Sierra Crest - West of Evans Peak, Grizzly Peak, Beckworth Peak; Southern Sacramento Valley In Yolo, Sacramento, Far Western Placer, Southern Sutter and Solano County Below 1000 Ft - Excludes the Delta; Southern and Eastern Mendocino NF, Southeast Edge Shasta, Trinity NF and Western Portions of Tahima, Glenn RU; Stanislaus National Forest; Tahoe - Eldorado National Forest

NWS Sacramento (North Central California)

...Red Flag Warning through Tuesday Afternoon... .Breezy northerly winds will continue through Tuesday afternoon across parts of northern California. Poor overnight humidity recovery and lowering daytime RH will also produce critical fire weather conditions. The strongest winds will be over the higher elevations of the coast range and Sierra and also the northern Sacramento valley. ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT TUESDAY FOR BREEZY NORTH WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 215, 216, 217, 221, 263, 264, 266, 267, 268, 269, AND 279...

* WIND...Northwest to northeast wind 10 to 15 mph with gusts to 30 mph. Strongest winds expected in the overnight and early morning hours.

* HUMIDITY...Overnight humidity recoveries as low as 25 to 35 percent, locally lower, especially Tuesday morning. Daytime minimum humidities 10 to 20 percent. Single digits possible in the northern Sacramento valley.

* IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.