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Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Overview

A line of showers and thunderstorms tracked east across Iowa Tuesday afternoon and evening bringing damaging wind, occasional lightning, and heavy rain to eastern IA and northwest IL.  The strongest reported winds of 60-70 mph, occurred in Buchanan and Linn counties.  These winds brought down trees and powerlines as they moved through in the evening.

In addition, heavy rain occurred with the highest amounts over 1 inch common in Jo Daviess and Stephenson counties in IL.  A brief tornado occurred just west of Winthrop IA in an open field.  Since no visible damage was seen, an EF-U rating was assigned to the tornado.  The NWS would like to thank Buchanan County Emergency Management for assistance with this storm.

 

 

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Radar Image : Courtesy Iowa Environment Mesonet
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