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Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Overview

During the afternoon and early evening of April 2, 2025, numerous strong to severe thunderstorms impacted southeast and east-central Missouri as well as south-central Illinois. Large hail, damaging wind, and a few tornadoes were observed. This activity occurred on the northwest extent of a significant tornado outbreak later that evening across the Ohio River Valley.

Below is a summary of the severe weather that occurred that day, along with details on the two tornado surveyed by NWS St. Louis.

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KLSX Base reflectivity and warnings from the afternoon and evening of April 2, 2025.

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A home destroyed by the Greenville tornado. Photo courtesy of NWS Storm Survey team.  A home destroyed by the Potosi tornado. Photo courtesy of NWS Storm Survey team. Trees sheared off by the Potosi tornado. Photo courtesy of NWS Storm Survey team.
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