Flood Warning Issued for Rock County, Wisconsin
This alert is no longer in effect.
NOAA issued it on April 28, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Flood Warning is in effect for Rock County, Wisconsin, due to excessive rainfall causing flooding, lasting until midnight CDT on April 18, 2026.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Rock County, Wisconsin
- Issued
- April 28, 2026
- Issuing authority
- NWS Milwaukee/Sullivan WI
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Rock County, Wisconsin.
Alert Details
The Flood Warning has been issued by NWS Milwaukee/Sullivan WI. It is effective from April 17, 2026, at 9:13 PM CDT until April 18, 2026, at 12:00 AM CDT.
Affected Areas
The warning affects Rock County in south central Wisconsin, including specific locations such as Janesville, Beloit, Milton, Brodhead, Orfordville, Footville, Newark, Magnolia, Tiffany, Afton, Leyden, Hanover, Indianford, Shopiere, Emerald Grove, Avalon, Johnstown Center, Avon, and Lima Center.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Flooding caused by excessive rainfall is expected, with between 3 and 6 inches of rain having fallen. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring.
Timeline
The alert is effective from April 17, 2026, at 9:13 PM CDT and ends on April 18, 2026, at 12:00 AM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (956 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 28, 2026.
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