Active Weather Alerts
Dense Fog Advisory
Issued: 6:07 PM Apr. 15, 2026 – National Weather Service
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM CDT THURSDAY... * WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...Portions of Lake Superior. * WHEN...Until 10 AM CDT Thursday. * IMPACTS...Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Visibility will be more than 1 NM this afternoon into early evening within at least a mile or two from shore. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. &&
Dense Fog Advisory
Issued: 6:03 PM Apr. 15, 2026 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM CDT THURSDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Minnesota, Carlton and South St. Louis, Southern Cook and Southern Lake Counties. In Wisconsin, Ashland, Bayfield, Douglas, and Iron Counties. This includes the Tribal Lands of the Fond du Lac Band, the northwestern area of the Lac du Flambeau Band, the Grand Portage Reservation, the Bad River Reservation and the Red Cliff Band. Other locations including Madeline Island and the Apostle Islands National Lakeshore. * WHEN...From 10 PM this evening to 10 AM CDT Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Fog will develop tonight around Lake Superior and will be dense overnight. Visibility will improve Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your low-beam headlights and fog lights, and leave plenty of distance ahead of you. &&
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