...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THURSDAY... ...A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM CDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY... * WINDS...West to northwest winds of between 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10-15 percent. * IMPACTS...Any fire that develops will spread quickly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...For the rest of today's Warning: Although relative humidity levels will not drop qu