Weather Alerts For Arlington, SD

# HEADLINE -------------------- RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FAR EASTERN SOUTH DAKOTA AND SOUTHWESTERN MINNESOTA # DETAILS -------------------- AFFECTED AREA In Minnesota, Lincoln, Lyon, Murray, Cottonwood, Nobles, Jackson, Pipestone and Rock. In South Dakota, Kingsbury, Brookings, Lake, Moody and Minnehaha. WINDS South 15 to 25 mph with gusts up to 35 mph. RELATIVE HUMIDITY As low as 20 percent. IMPACTS Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. ISSUED AT Monday, April 20, 2026 at 6:34 AM CDT ISSUED BY National Weather Service Sioux Falls 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 -------------------- Kingsbury, Brookings, Cottonwood, Jackson, Lake, Lincoln, Lyon, Minnehaha, Moody, Murray, Nobles, Pipestone, Rock

Pollen Index: 10.7 Pollen Level: high Predominant Pollen: Cedar/Juniper, Poplar/Aspen/Cottonwood and Elm. The pollen levels for Tuesday will remain relatively stable in the very high range. The pollen producing plants are delivering a fairly constant level of pollen into the air.