Slight Risk for Excessive Rainfall and Severe Thunderstorms Thursday

Additional rounds of thunderstorms are expected Thursday and Thursday night across Oklahoma and north Texas, with risks for both large hail and flash flooding. Strong winds may accompany any storms from east Texas northeast through the lower Great Lakes. Read More >

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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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Slight Risk for Excessive Rainfall and Severe Thunderstorms Thursday

Learn About the Winter Storm Severity Index