An advisory for widespread or localized fog reducing visibility to regionally or locally defined limitations not to exceed one nautical mile. Webchanhassen, mn — a dense fog advisory, which will allow for less than a quarter mile of visibility, has been issued by the national weather service. Weather. gov > twin cities, mn. Webwe’re beginning our holiday weekend with a dense fog advisory. Clouds will stay with us today and some areas will see some rain later today and tonight. Webthe national weather service twin cities/chanhassen mn issued a dense fog advisory effective until noon today, urging drivers to slow down, use your. Weba dense fog advisory is issued by your local national weather service office when widespread dense fog develops. When this happens, visibilities frequently drop to one. Webdense fog advisories cover parts of 15 states running from minnesota south to texas and east to new york. National oceanic and atmospheric. Webdense fog advisory until noon in portions of minnesota. Updated 12:30 p. m. Webthis website offers information on the hazards of dense fog and how to stay safe. If you, or someone you know, have been in a fog related accident, please share your story so we. Weba dense fog advisory could be needed overnight. Mariners are urged to navigate with.