Weather Alerts For Porcupine, SD

URGENT - FIRE WEATHER MESSAGE...CORRECTED National Weather Service Rapid City SD 338 PM MST Fri Feb 27 2026 ...RED FLAG WARNING IN EFFECT FROM NOON MST/100 PM CST TO 600 PM MST/700 PM CST FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 315, 317, 321, 322, 326, 333, 334, AND 335... .Very dry air is over parts of northeastern Wyoming as well as far southwestern into south-central South Dakota. Minimum relative humidities will drop to 15 to 20 percent as northwest winds blow at 10 to 25 mph with gusts from 25 to 40 mph, strongest over south-central South Dakota. Antecedent D1 to D2 drought conditions will exacerbate the fire potential. Fall River County Area-Pine Ridge Area-Southern Campbell- Weston County Plains- 338 PM MST Fri Feb 27 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 315, 317, 322, AND 326... * AFFECTED AREA...Fire Weather Zones 315 Southern Campbell, 317 Weston County Plains, 322 Fall River County Area and 326 Pine Ridge Area. * WINDS...Northwest 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...The combination of gusty winds and low relative humidity would produce critical fire weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&