Weather Alerts For Sisseton, SD
Fire Weather Warning
-# HEADLINE -------------------- RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA # DETAILS -------------------- AFFECTED AREA In Minnesota, Traverse and Big Stone. In South Dakota, Marshall and Roberts. WINDS Northwest 25 to 35 mph with gusts up to 45 mph. RELATIVE HUMIDITY As low as 25 percent. IMPACTS Any fires that ignite will spread rapidly and become difficult to control or suppress. ISSUED AT Monday, May 11, 2026 at 9:03 PM CDT ISSUED BY National Weather Service Aberdeen 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 -------------------- Big Stone, Marshall, Roberts, Traverse
Wind Advisory
-# HEADLINE -------------------- WIND ADVISORY REMAINS IN EFFECT FROM 9 AM TO 7 PM CDT TUESDAY # DETAILS -------------------- WHAT Northwest winds 25 to 35 mph with gusts up to 45 mph expected. Localized stronger wind gusts to around 50 mph expected across the Leola Hills and the Sisseton Hills. WHERE McPherson, Brown, Marshall, and Roberts Counties. WHEN From 9 AM to 7 PM CDT Tuesday. IMPACTS Gusty winds will blow around unsecured objects and a few power outages may result. ISSUED AT Monday, May 11, 2026 at 1:40 PM CDT ISSUED BY National Weather Service Aberdeen SD HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. # AREAS AFFECTED -------------------- Brown, Marshall, McPherson, Roberts Including the cities of Eureka, Aberdeen, Sisseton, and Britton
Pollen Alert
-Pollen Index: 11.1 Pollen Level: high Predominant Pollen: Elm, Cedar/Juniper and Ash. The quantity of pollen grains in the air for Tuesday will be greater than today's levels and extend even further into the extremely high range. This forecast of higher pollen concentration is based on rising temperatures, strong winds and lower relative humidity.