Hurricane Harvey downgraded to Category 1 with 90 mph winds

Chief Meteorologist Ginger Zee discusses the expected flash flooding in Texas.
2:18 | 08/26/17

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Transcript for Hurricane Harvey downgraded to Category 1 with 90 mph winds
Let's turn to chief meteorologist ginger zee. Tracking the storm all night. What are you seeing? Still a category 1 storm. Hurricane that is on land. There are 85-mile-per-hour max sustained wins. I just turned on my super res velocity to see them right around the eye still finding on pie phone places that are seeing 75-mile-per-hour winds. Even rockport that was hit so hard, has been hit for hours now. We're coming up on 8, 9, 10 hours of this, like a washing machine when it comes through. Also a tornado watch. See the far reaches how it's reaching into Houston that is under a flash flood warning. That tornado warning, the red box you see is a nasty cell just west of Beaumont. As this goes only at six miles per hour flash flooding is going to become our next story and reaches with the flash flood watches from San Antonio to Austin that circle up to 35 inches locally could easily be reached in a place like Victoria already seen 16 inches of rain that has seen some of those river gauges already spike to almost 40 feet just with the rain we've had so far, look, you can see it right here. Look at that line. Goes from flat base, base, base to all that water rushing in. You say flooding is the story through next week because this storm is kind of stuck in place. Why is it stu in place and how bad is it likely to get. We've been watching rob get pounded for hours. Three hours now we've watched him overnight this long. It's moving so slowly and will weaken to a tropical storm. They still have significant rainfall and watch it take a loop and go back toward the ocean. The ocean has all that fuel, the heat, the moisture and surface that's not as much friction and then it will take its way north and now finally we've got it to a low pressure system or a depression so finally looking like it will die out till then. Still can have a lot of rain by the midweek. Doesn't matter. Talking about 48, 72 hours from now that we're still going to see flash flooding. I'm most concerned about it timing from now till Sunday night especially in inland areas like Houston and Austin. Rivers will rise. Yes. After the rain. After the rain. All right, ginger, thank you.

This transcript has been automatically generated and may not be 100% accurate.

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