Elsewhere across portions of the Western United States, rainfall totals of 1 to 3 inches are expected. Current Rainfall Map Interface This site provides current rainfall totals for Ventura County and nearby counties. Courtesy of VCPWA's Watershed Protection District. Rainfall amounts of 3 to 6 inches, with isolated amounts of 10 inches, are expected across portions of southern California and southern Nevada, which would lead to significant and rare impacts. Check out current rainfall totals for Ventura County and nearby counties, updated every 5 minutes. The National Weather Service issued a flood watch that will be in effect starting at 11am tomorrow through Monday evening across San Diego and Los Angeles counties. The moisture from Hilary will bring the possibility of excessive flooding in Southern California. INTERACTIVE: Look up how climate change is forecast to impact your neighborhood HEAVY RAIN THREAT IN SOCAL Thus, we see a very rapid weakening as the system approaches the California-Mexico border. That temperature drop may not seem like a lot but ocean temperatures in the 70s will essentially kill Hilary and water in the 60s will never support a tropical system. As Hilary moves closer to Baja California, ocean temperatures will quickly cool into the 70s and eventually the 60s along the California coast. Hilary is currently sitting in 85-degree water and will remain in those warm waters through Saturday. Since these data are preliminary and created. Click individual images for larger version click again or use arrow keys to step through the images. Hurricanes require ocean temperatures above 80 degrees to survive. These preliminary observed rainfall graphics are automatically updated every 6 hours to show the latest 6-, 12-, 18-, and 24-hour rainfall totals for standard periods. RELATED: Hurricane categories explained: How strong is each category? OCEAN TEMPERATURES

25, 1939, according to the National Weather Service. No tropical storm has made landfall in Southern California since Sept. Tropical storm warnings are in effect for more than 42 million Americans in Southern California, as Hilary is expected to be the first storm of its kind to hit the region since Nora in 1997. Hurricane Hilary has been downgraded to a Category 1 hurricane from a Category 2 Saturday evening as evacuations in at-risk areas continue to be issued, according to ABC News. LIVE: Tracking Hilary's current path as it moves toward CA HURRICANE HILARY The video in the player above is from a previous report. National Hurricane Center said a tropical storm watch has been issued for Southern California, the first time that has ever been done. There will be a threat of flooding rains across Southern California from Sunday through Tuesday. SAN FRANCISCO - Hurricane Hilary is heading towards Baja California, and it could bring heavy rain to the southwestern U.S. A tropical storm warning has been issued for Southern California as Hurricane Hilary poses a dangerous threat to the region.

Current rainfall totals ventura