Hazardous Weather Outlook
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
157 FLUS43 KDLH 261804 HWODLH Hazardous Weather Outlook National Weather Service Duluth MN 104 PM CDT Sat Jul 26 2025 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-271815- Koochiching-North St. Louis-Northern Cook/Northern Lake- North Itasca-Central St. Louis-Southern Lake/North Shore- Southern Cook/North Shore-North Cass-South Itasca-South Cass- Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis- Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price- 104 PM CDT Sat Jul 26 2025 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...This afternoon and Tonight Hot and humid conditions today will increase the risk of heat related illness. A Heat Advisory has been issued for much of the Northland until 8 PM. Scattered storms are forecast over the Arrowhead of Minnesota this afternoon. A few storms may be strong to severe with hail up to half dollar size, wind gusts to 60 mph, and frequent cloud-to- ground lightning Another round of storms is possible late overnight after 4 AM, west of a line from Aitkin to International Falls. Wind gusts to 60 mph, small hail, and frequent cloud-to-ground lightning will be the main threats. .DAYS TWO THROUGH SEVEN...Sunday through Friday Storms may be ongoing Sunday morning across portions of northeast Minnesota. The storms would gradually weaken by late morning. Storms are then expected to redevelop during the afternoon. A few storms may be strong to severe with hail up to ping pong ball size and wind gusts to 70 mph. The storms will also be capable of torrential rainfall which may lead to flash flooding. There is a 15 to 25 percent chance of localized flash flooding Sunday afternoon through Sunday night across the Northland. Hot and humid conditions continue on Sunday. An Extreme Heat Watch is in effect south of a line from Aitkin to Duluth and over all of northwest Wisconsin where heat indices will reach the upper 90s to low 100s. Heat Advisories will likely be needed north and west of the Extreme Heat Watch where heat indices will be in the 90s. There is a 10 to 30 percent chance of thunderstorms south of US-2 in Minnesota and Wisconsin Monday night and early Tuesday morning. .SPOTTER INFORMATION STATEMENT... Skywarn spotters may be needed at times this afternoon through early Monday morning. Skywarn spotters and the public are encouraged to report hail of any size and rainfall amounts to the National Weather Service. $$ LSZ121-140>148-150-271815- Bayfield to Oak Point WI-Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 104 PM CDT Sat Jul 26 2025 This Hazardous Weather Outlook is for portions of Lake Superior and the Nearshore waters of western Lake Superior. .DAY ONE...This afternoon and Tonight Scattered thunderstorms are possible this afternoon and evening, particularly along the North Shore. Main threats will be lightning and brief gusty winds to 30 knots. .DAYS TWO THROUGH SEVEN...Sunday through Friday Thunderstorms are possible over Lake Superior Sunday morning and again late Sunday afternoon through Sunday evening. A few storms could be severe, producing wind gusts to 50 knots and large hail. $$ Huyck More information may be obtained at the following web address: http://www.weather.gov/duluth