Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Green Bay WI
314 AM CDT Mon May 18 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-190815-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
314 AM CDT Mon May 18 2026

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Today and Tonight

Strong to near-severe thunderstorms will produce torrential
rainfall, hail and brief gusty winds over far northeast Wisconsin
during the pre-dawn hours this morning. Although an isolated
severe storm could develop during the day and early evening, a
general lull in thunderstorm activity is expected. Thunderstorms
will increase again later this evening and into the overnight
hours, with the best potential for severe storms occurring over
the northwest half of the forecast area between 11 pm and 4 am.
Damaging winds appear to be the primary threat.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There is a chance of non-severe storms Tuesday morning.

There is potential for frost or freeze headlines across mainly
northern Wisconsin Tuesday night and Wednesday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed at times through tonight.

$$

Hazard Report Provided By forecast.weather.gov