Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >

The Winter Storm Severity Index (WSSI) is a new tool from the National Weather Service, that forecasts potential impacts of winter storms. It analyzes impacts from snow amounts, the weight of the snow on structures, ice accumulation, blowing snow, flash freezes, and potential ground blizzards. Learn more about the WSSI in this brief fact sheet.

An interactive map is available at the NWS Weather Prediction Center's webpage at https://www.wpc.ncep.noaa.gov/wwd/wssi/wssi.php?id=ILX

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Areas of Severe Thunderstorms and Excessive Rainfall Today

Learn About the Winter Storm Severity Index