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Severe Weather and Flash Flooding Threat Continues in the Central and Southern Plains; Heavy Mountain Snow in the Intermountain West

Heavy rain and severe weather will continue across the central and southern Plains through the weekend. Tornadoes, large hail, damaging winds and flash flooding will be the primary threats. Heavy mountain snow will push into the Intermountain West and portions of the central Rockies. Snow will linger into Monday across the central and southern Rockies. Read More >

Winter Storm of January 22-23, 2018

 

A classic "Colorado Low" snowstorm impacted the Upper Mississippi River Valley and upper Great Lakes from Monday, January 22nd through Tuesday,  January 23rd. The snow was exceptionally heavy and wet, with snow to water ratios averaging 7:1. The snow also mixed with freezing drizzle at times across the southeast half of Upper Michigan as well as the Keweenaw Peninsula. Due to the very dense nature of the snow, conditions were very slippery and travel was hazardous through the 22nd into the 23rd.

 

Here's a look at storm summaries from neighboring offices (opens new tabs):

 

NWS Green Bay

NWS La Crosse

NWS Milwaukee

National Weather Service Weather Prediction Center

 

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Regional radar reflectivity and lightning (black and white symbols) from to 7 AM 1/22 to 8:00 AM 1/23 (all EST). 

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