Weather Alerts For Allen, SD

# HEADLINE -------------------- CRITICAL FIRE WEATHER CONDITIONS POSSIBLE THURSDAY ACROSS PORTIONS OF NORTHEASTERN WYOMING AND SOUTHWESTERN INTO SOUTH CENTRAL SOUTH DAKOTA RED FLAG WARNING IN EFFECT FROM NOON MDT /1 PM CDT/ TO 7 PM MDT /8 PM CDT/ THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 317, 321, 322, 325, 326, 332, 333, 334, AND 335 # SUMMARY -------------------- .Anomalously warm (70s and 80s) and dry (relative humidity dropping to 13 percent) Thursday ahead of a cold front. Southwest winds will increase through the day with gusts to 40 mph. The combination of warm, dry, and windy conditions ahead of a cold front may result in critical fire weather conditions Thursday afternoon and evening. The National Weather Service in Rapid City has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon MDT /1 PM CDT/ to 7 PM MDT /8 PM CDT/ Thursday. The Fire Weather Watch is no longer in effect. # DETAILS -------------------- AFFECTED AREA Fire Weather Zones 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 15 to 25 mph with gusts up to 40 mph. RELATIVE HUMIDITY As low as 13 percent. IMPACTS The combination of gusty winds and low relative humidity would produce critical fire weather conditions. ISSUED AT Wednesday, April 15, 2026 at 11:09 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, Badlands Area, Bennett County Area, Custer County Plains, Fall River County Area, Southern Black Hills, Tripp County, Weston County Plains

Pollen Index: 10.3 Pollen Level: high Predominant Pollen: Cedar/Juniper, Elm and Maple. The quantity of pollen grains in the air for Thursday will be increasing over today's levels and extend even further into the extremely high range. This higher level is caused in part by rising temperatures, strong winds and lower relative humidity.