Severe Thunderstorm Warning Issued for Southwestern Rock County, WI
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 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.
The National Weather Service has issued an immediate Severe Thunderstorm Warning for southwestern Rock County until 8:15 PM CDT, citing potential for half dollar size hail.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- South Central Wisconsin
- Issued
- April 6, 2026
- Issuing authority
- NWS Milwaukee/Sullivan
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in South Central Wisconsin.
Alert Details
The National Weather Service in Milwaukee/Sullivan has issued a Severe Thunderstorm Warning for southwestern Rock County in south central Wisconsin. The alert was issued at 7:34 PM CDT following radar-indicated storm activity in the region.
Affected Areas
The warning covers southwestern Rock County. Specific locations expected to be impacted include:
- Janesville
- Beloit
- South Beloit
- Newark
- Hanover
- Afton
- Avon
What You Should Do
Residents in the warned area should move to an interior room on the lowest floor of a building immediately for protection. Damage to vehicles is expected due to the size of the hail.
Expected Conditions
At 7:33 PM CDT, a severe thunderstorm was located near Durand, or approximately 8 miles south of Brodhead, moving northeast at 30 mph.
- Hazards: Half dollar size hail (up to 1.25 inches) and wind gusts up to 50 MPH.
- Source: Radar indicated.
- Impact: Significant damage to vehicles is anticipated.
Timeline
The warning is effective immediately as of 7:34 PM CDT and is currently set to expire at 8:15 PM CDT on March 10, 2026.
Original source: NOAA Official Notice ↗
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