Weather Alerts For Grand Marais/Cook County Arpt, MN
Flood Advisory
-# HEADLINE -------------------- FLOOD ADVISORY REMAINS IN EFFECT UNTIL 645 PM CDT SATURDAY # DETAILS -------------------- WHAT Flooding caused by rain and snowmelt continues. WHERE In Minnesota, Cook, Lake and St. Louis Counties. WHEN Until 645 PM CDT Saturday. IMPACTS Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable. River or stream flows are elevated. Flooding is occurring on area rivers that are popular for waterfall viewing. ADDITIONAL DETAILS - At 1005 PM CDT Friday, Doppler radar and automated rain gauges indicated rain and snowmelt from Thursday's rainfall. Rapid river rises will cause minor flooding in the advisory area. Between 0.5 and 2 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE - Grand Marais, Gunflint Lake, Two Harbors, Silver Bay, Grand Portage, Lutsen, Tofte, Beaver Bay, Forest Center, Temperance River State Park, George Manitou State Park, Taconite Harbor, Isabella, Little Marais and Finland. - Flood safety information can be found at www.weather.gov/safety/flood. ISSUED AT Friday, April 24, 2026 at 10:07 PM CDT ISSUED BY National Weather Service Duluth MN HEADER Flood Advisory # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Campers and hikers should avoid flooded trail crossings. If camping at a site along or near the banks of rivers or streams, move away from those locations and seek higher ground. Trails in hilly terrain can quickly become unstable during or shortly after heavy rainfall. Visitors to area waterfalls should expect snow and ice covered trails and be careful around rivers that will have slippery rocks, cliffs, and strong currents. # AREAS AFFECTED -------------------- Cook MN, Lake MN, St. Louis MN
Pollen Alert
-Pollen Index: 10.8 Pollen Level: high Predominant Pollen: Cedar/Juniper, Elm and Poplar/Aspen/Cottonwood. The pollen levels for Saturday will be falling but will remain in the very high range. This change results in part from falling temperatures, higher dew points and lack of strong winds.