September 18, 2026

Midwest Storm Chasers

Live Weather Coverage & Severe Storm Reporting

⚠️ Flood Watch – Sauk; Columbia; Iowa; Dane; Lafayette; Green; Rock – Friday, September 18, 2026

Event Flood Watch
Severity Severe
Urgency Future
Certainty Possible
Area Sauk; Columbia; Iowa; Dane; Lafayette; Green; Rock
Effective 9/18/2026, 10:25:00 AM CDT
Expires 9/18/2026, 6:30:00 PM CDT

Flood Watch issued September 18 at 10:25AM CDT until September 19 at 1:00PM CDT by NWS Milwaukee/Sullivan WI

Details

* WHAT…Flooding and flash flooding caused by excessive rainfall are
possible.

* WHERE…A portion of south central Wisconsin, including the
following counties, Columbia, Dane, Green, Iowa, Lafayette, Rock
and Sauk.

* WHEN…From late tonight through Saturday afternoon.

* IMPACTS…Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS…
– Widespread and prolonged showers and storms will bring rain
accumulations of 1-3 inches. Band of higher totals in the 3-5
inch range or more will be possible in areas where storms track
repeatedly.
– http://www.weather.gov/safety/flood

Instructions

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.


This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.