Saint Helena Weather - AccuWeather Forecast for CA 94574

Breezy from this evening into tomorrow afternoon Details >

May 21, 2013; 1:18 AM ET Much cooler tomorrow

The National Weather Service says the tornado that hit Moore, Okla., was a top-of-the-scale EF-5 twister with winds of at least 200 mph.

San Francisco, CA - Much cooler...

Video - May 21, 2013; 1:18 AM ET

Much cooler tomorrow
Moore Tornado Makeup: Nature's Fury

News - May 21, 2013; 3:39 PM ET

The atmospheric severe weather engine began firing on all cylinders this past weekend and reached full speed Monday over Oklahoma.
Breaking Weather: Severe Storms Approach Dallas

Video - May 21, 2013; 3:57 PM ET

High winds and heavy rain are approaching the Dallas area. Meteorologist Adrienne Green has more.
Infographic: When A Tornado Destroys Everything

News - May 19, 2013; 1:18 AM ET

The sirens have silenced and it is time to see the damage. What can you expect to see?
Travel Weather Forecast

Video - May 21, 2013; 11:50 AM ET

United States travel weather forecast
Interior West to Sizzle into Tuesday

News - May 14, 2013; 9:03 PM ET

Above average temperatures will continue through this week across much of the Southwest.
Southwest Extended Regional Weather Forecast

Video - May 21, 2013; 11:44 AM ET

Short-Range Weather forecast overview for the Southwest United States
Lingering Winter Chill Suppresses Tornadoes in 2013

News - May 9, 2013; 4:05 AM ET

An ongoing cool weather pattern from the Rockies to the East Coast has been helping to keep a lid on the number of tornadoes for 2013.