Midweek Brings Dry Heat, Fire Danger
You'd never know it by the cloudy, rainy skies in the Santa Clarita Valley on Tuesday and Tuesday night, but Wednesday through the weekend, a mild Santa Ana condition will bring clear skies, a rise in temperatures, a drop in humidity, gusty winds, and a heightened fire weather alert to the Santa Clarita Valley, according to the National Weather Service.
Gusty northeast winds are expected to develop across mountain ranges in Los Angeles and Ventura counties Wednesday, then descend into the valleys Wednesday night, the service forecasts. Peak wind gusts in the mountains will range from 35-45 mph, and 25-35 mph in the valleys. Wednesday's high will be around 72 degrees, with skies clearing Wednesday night, when the low will dip to about 51.
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This offshore flow will import very dry air into the region. Humidity is expected to drop into single-digits by Wednesday night and spread into the valleys by Thursday morning. While winds will diminish by late Thursday afternoon, the low humidy is forecast to linger through the weekend.
Skies will be sunny and high temperatures will be in the low-to-mid-80s Thursday through Sunday, with lows in the low-to-mid-50s, according to the Weather Service.
The drop in humidity will bring a drop in nighttime termperatures Wednesday night and Thursday, possibly as low as freezing in the coldest, wind-protected areas of the Antelope Valley and the Ventura County mountains.
A fire weather watch is in effect for the Santa Clarita Valley and the eastern Ventura valley, and the service notes a red flag warning may be issued if the hot, dry and gusty conditions persist.