The National Weather Service in Omaha/Valley has issued the warning for wind and low relative humidity, and it is in place until 8 p.m. CDT Friday for Eastern Nebraska and Southwest Iowa.
This includes Omaha/Council Bluffs and Lincoln.
In Nebraska: Platte, Colfax, Dodge, Washington, Butler, Saunders, Douglas, Sarpy, Seward, Lancaster, Cass, Otoe, Saline, Jefferson, Gage, Johnson, Nemaha, Pawnee and Richardson Counties.
In Iowa: Pottawattamie, Mills, Montgomery,Fremont and Page Counties.
A "Red Flag" Warning means that critical fire weather conditions are either occurring now, or will shortly.
A combination of strong winds, low relative humidity and warm temperatures can contribute to extreme fire behavior.
Winds South 20 to 25 mph with gusts up to 35 to 40 mph.
(Images from National Weather Service)