Weather Alerts For Martin, SD

# HEADLINE -------------------- RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MDT /NOON CDT/ THIS MORNING TO 8 PM MDT /9 PM CDT/ THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 315, 317, 321, 322, 325, 326, 332, 333, 334, AND 335 RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MDT /NOON CDT/ THIS MORNING TO 8 PM MDT /9 PM CDT/ THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 315, 317, 321, 322, 325, 326, 332, 333, 334, AND 335 # SUMMARY -------------------- .Temperatures will reach into the upper 70s to mid 80s across portions of northeastern Wyoming and southern South Dakota this afternoon. Afternoon humidities will drop into the single digits to low teens. The very warm and dry conditions in combination with dry fuels and westerly winds gusting up to 30 mph will support critical fire weather conditions this afternoon. Overnight humidity recoveries will be poor (less than 55 percent) across northeastern Wyoming into the Black Hills and southwestern South Dakota tonight. # DETAILS -------------------- AFFECTED AREA Fire Weather Zones 315 Southern Campbell, 317 Weston County Plains, 321 Southern Black Hills, 322 Fall River County Area, 325 Custer County Plains, 326 Pine Ridge Area, 332 Badlands Area, 333 Bennett County Area, 334 Mellette and Todd Counties and 335 Tripp County. WINDS West 10 to 20 mph with gusts up to 30 mph. RELATIVE HUMIDITY As low as 8 percent. IMPACTS The combination of dry fuels, low relative humidities, gusty winds, and hot temperatures will produce critical fire weather conditions. New fires could spread rapidly. ISSUED AT Monday, April 20, 2026 at 4:59 AM MDT ISSUED BY National Weather Service Rapid City SD HEADER URGENT - FIRE WEATHER MESSAGE # 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. # AREAS AFFECTED -------------------- Mellette and Todd Counties, Pine Ridge Area, Weston County Plains, Badlands Area, Bennett County Area, Custer County Plains, Fall River County Area, Southern Black Hills, Southern Campbell, Tripp County

Pollen Index: 11.3 Pollen Level: high Predominant Pollen: Cedar/Juniper, Poplar/Aspen/Cottonwood and Elm. Based on past pollen counts and expected weather conditions, pollen levels for Tuesday will remain stable in the extremely high range. Pollen producing plants are at a relatively steady level of pollination at this time.