What the map shows
Sources: NOAA/National Weather Service, Storm Prediction Center; radar via Iowa Environmental Mesonet.
- Radar: NEXRAD base reflectivity for the last hour, in 5-minute frames.
- Warnings and watches: tornado, severe thunderstorm, hurricane and high wind, as the National Weather Service issues them.
- Reports today: hail, wind and tornado reports from the Storm Prediction Center since 12:00 UTC.
- SPC outlook: where the Storm Prediction Center expects thunderstorms today, from marginal to high risk. Off until you switch it on.
For official alerts and safety information, follow your local NWS office at weather.gov.