The map encompasses parts of Ventura and Los Angeles counties impacted by the Woolsey Fire.
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The map consists of multiple layers, which display the likelihood of debris flow, potential volume of debris flow and combined relative debris flow hazard. The USGS said the estimates were based on a storm with a peak 15-minute rainfall intensity of 24 millimeters per hour.
To access the map, visit www.landslides.usgs.gov.
Spots beneath the burned out hillsides are most likely to see debris flows.
The L.A. County Fire Department and sheriff's department have staffed additional resources throughout the areas impacted by the Woolsey Fire based on the anticipated rain that is forecasted for the night. A swift-water rescue team is one of many emergency crews on alert.
"With this rain coming in, we have a lot of steep hillsides, rocks that came down the hills a few days ago when we had a little bit of rain. We don't know what's going to happen today, but we want everybody to be prepared," said L.A. County Fire Department Capt. Brian Jordan.
Along with the potential for mudslides, the rain may bring the possibility of power outages and evacuations.
"If the hillsides move and the power poles move, then the cell connections in the power poles move and they don't work, and the next thing you know, all of our conveniences of life...don't work, therefore you can't even call 911," Jordan explained.
Free sandbags and sand are available in several spots throughout Malibu, Thousand Oaks and other areas, though you may have to do the shoveling and heavy lifting yourself. Some areas are even beginning to run low on sand.
Residents visit Agoura Hills fire station to fill up sandbags
"I'm trying to, you know, strategically place them so that the runoff goes off into the street instead of into our house or into the pool...so that's kind of the strategy," said Agoura Hills resident Bridget Van Gelder.
The city of Malibu is encouraging residents to prepare but warning not to remove any fire debris, which could contain hazardous materials.
Meanwhile in the Inland Empire, evacuation orders have already been issued for the Holy Fire burn areas - including parts of Lake Elsinore, Corona and Glen Eden.
Residents in the Holy Fire burn area are preparing for the incoming storm, and those who live in neighborhoods right up against the charred hillsides are especially concerned they could give way and cause significant damage.
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A threat of possible flooding and mudflow is not what Homer Sanchez, a father to a newborn, wants to hear right now. He placed sandbags around his property in Corona to protect his home.
It's been a stressful year for Sanchez. This summer, the Holy Fire destroyed more than a dozen structures in Riverside and Orange counties. Sanchez's house of nine years was threatened - with a toddler at home and a baby on the way
"Especially for the fire when she was pregnant, it was real stressful for her and me. We didn't know if we were going to come back to our house or not," Sanchez said.
MORE: Southern California weather forecast
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He's not alone in the stress that comes with living in fire and mudslide-prone areas.
"When you go down the street, I see people selling their houses already, and I hear mixed reviews about the fire, the flood warnings, so they don't want but me, we love it here. I love it, I love the neighborhood," he said.
Sanchez and his family are taking it in stride. They're doing their part to be proactive, an d they're ready to go.
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