National Weather Service United States Department of Commerce

Severe Thunderstorms in the Northern Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Severe thunderstorms, with a significant wind threat, will continue through tonight across the northern Plains. Wind gusts of 60 to 100 mph are possible. Heavy rainfall will continue through tonight from Oklahoma into Missouri, and in the Tennessee Valley through Monday. Critical fire weather conditions continue in the Southwest through Tuesday. Read More >

An area of scattered showers and storms located near the I-74 corridor just after 7pm will slowly lift northward, dropping brief heavy downpours and occasional lightning.
Periods of showers and thunderstorms are expected into Tuesday. While temperatures and humidity remain uncomfortable to start the week, the hottest conditions are expected midweek, with highs in the 90s and heat index 100-105 degrees.
Hot and humid weather will continue to build this week, with Wednesday seeing the worst conditions. Heat index values over 100 degrees are expected west of I-55 Tuesday, and over the entire region Wednesday. The effects of heat are cumulative, and will cause added stress on individuals working outside or without adequate cooling indoors.