Weather Alerts For Johnstown Center, WI

# HEADLINE -------------------- AREAS OF FOG TONIGHT INTO EARLY THIS MORNING # SUMMARY -------------------- Areas of fog has developed over southwest and south-central WI. Reduced visibility from fog with some areas seeing 1-3 miles at times will continue into early morning hours. Also cannot rule out isolated pockets of visibility below 1 mile and even patchy dense fog (1/4 mile or less) at times, especially for low-lying areas. May see fog coverage expand into the early morning. Use caution if traveling in these areas, leaving plenty of space between vehicles and using low- beam headlights as conditions can change quickly. # DETAILS -------------------- ISSUED AT Sunday, July 5, 2026 at 12:57 AM CDT ISSUED BY National Weather Service MILWAUKEE/SULLIVAN WI HEADER SPECIAL WEATHER STATEMENT # AREAS AFFECTED -------------------- Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock, Sauk Including the cities of Montello, Westfield, Oxford, Neshkoro, Endeavor, Berlin, Princeton, Markesan, Baraboo, Reedsburg, Prairie Du Sac, Sauk City, Portage, Columbus, Lake Wisconsin, Lodi, Dodgeville, Mineral Point, Barneveld, Madison, Darlington, Shullsburg, Benton, Belmont, Argyle, Blanchardville, Monroe, Brodhead, Janesville, and Beloit