Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

3 Day Outlook

August 21, 2026 DePue-Hennepin Tornado

Warm weather is expected this week with occasional low chances (10-30%) for showers and thunderstorms, mainly Tuesday night through Wednesday. Much of the area will likely remain dry through late in the workweek.

A slow moving EF0 tornado, with peak winds of 80 MPH, developed along the southern banks of the Illinois River and moved towards the east-southeast. The tornado crossed through a rock quarry where it tipped over a portion of an industrial conveyor system. The tornado then turned more south-southeast and gradually weakened, producing sporadic tree damage along an intermittent path before completely dissipating near Illinois Highway 71.

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

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