Janesville, WI — Severe Weather & Radar
No active severe-weather warnings for Janesville, WI right now. Live radar is below — set up alerts to get warned the moment one is issued.
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Severe-weather outlook
No severe-weather risk is outlooked for Janesville, WI today.
3-day forecast
Forecast: NOAA National Blend of Models.
When is severe weather most likely near Janesville?
Around Janesville and the Midwest, severe weather is most active from April through June.
The main threats are damaging thunderstorm winds — including widespread, long-lived derechos — along with large hail and tornadoes.
Based on long-term NOAA / NWS Storm Prediction Center climatology.
In Janesville, WI
Janesville, WI is home to an estimated 64,000 people. Atmostorm shows whether Janesville is inside an active NWS warning polygon right now — and warns you the moment that changes.
Nearby areas
Live radar and active alerts for places near Janesville:
Not an official source — always confirm with the National Weather Service at weather.gov. Data aggregated from NWS/SPC. Facility and population figures are decision-support estimates.