The fire danger in the Southwest will wane Wednesday and Thursday before ramping back up into the weekend.
An elevated fire weather risk will exist on Wednesday in the Central Rockies along the Colorado front range.
Relative humidity levels of 15 to 20% are likely over southeast Wyoming into western Nebraska where a swath of 20 to 30 mph sustained winds are expected.
Farther south along the Colorado Front Range, winds of 15 to 20 mph should develop amid 10 to 15% relative humidity levels, resulting in a narrow corridor of elevated to spotty critical fire-weather conditions, the NOAA's Storm Predication Center said.
In California, new evacuation orders have been issued for several communities after a wildfire started northwest of Corning located about two hours from Sacramento. Crews there are working to put out the Rancho Fire which is about 40% contained. The fire has burned about 700 acres and destroyed 10 structures. More than 100 others are at risk of burning.
Smoke was still billowing Tuesday from a raging Pipeline Fire in Arizona. The wildfire near Flagstaff has grown to more than 31 square miles.
On Thursday, critical fire weather conditions are expected during the afternoon and evening hours for portions of southern Nevada. The chance for isolated dry thunderstorms may also develop over parts of southeastern Arizona and southwestern New Mexico which could ignite critically dry fuels.
As we head into the weekend, the fire weather threat will ramp back up Friday and Saturday in the southern Great Basin and potentially in the central High Plains, the SPC said. Some larger populated areas of concern for a critical fire weather risk include the entire Las Vegas metro area.
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