"Everybody needs to understand that we face enormous potential fire dangers as we head into this weekend," he said at a press conference on Friday.
Fire weather watches have been issued in Oklahoma and the Texas Panhandle from Saturday through to midnight on Sunday as firefighters rush to contain the conflagration.
The bulk of the Texas fires - including the massive Smokehouse Creek Fire - are in the Texas Panhandle, the northern region of the state that is home to vast cattle ranches.
The land is not densely populated but millions of cows, calves, steers and bulls are raised in the area.
Governor Abbott said initial damage assessments show 400 to 500 structures that have been destroyed by the blaze.
"When you look at the damages that have occurred here, it's just gone, completely gone, nothing left but ashes on the ground," Mr Abbott said.
Thousands of animals are believed to have died, the Texas agriculture commissioner, Sid Miller, said on Thursday.
"Just my prediction, but it will be 10,000 that will have died or we'll have to euthanise," he said.
Source:bbc news
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