National Weather Service United States Department of Commerce

Dangerous Heat Continues; Monitoring Excessive Rainfall and Flash Flooding

The heat continues along and east of the Mississippi River. The most significant cumulative heat impacts are expected across the Mid-Atlantic through today and eastern Ohio Valley through Friday. Severe weather and heavy rainfall potential from the Southwest, Plains, upper Midwest, Great Lakes, mid-Atlantic and Northeast the next couple of days. A disturbance near the Marianas may bring flooding. Read More >

Overview

A strong Spring storm system moved from central South Dakota into the lower Ohio River Valley by Saturday evening. Precipitation began as all rain across eastern Iowa, northwest Illinois and far northeast Missouri before drier air moving into the region caused the rain to mix with and change over to all snow Saturday morning and into the afternoon along the Highway 20 corridor in Iowa and Illinois. Snowfall amounts in general ranged from 2 to 5 inches with isolated reports of 6 to 7 inches in Jo Daviess and Stephenson Counties.

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