Plains Severe Thunderstorms: 30% Damaging Wind Risk in Illinois, Large Hail on the High Plains, August 12, 2026

Plains Severe Thunderstorms: 30% Damaging Wind Risk in Illinois, Large Hail on the High Plains, August 12, 2026 SPC Day 1 Convective Outlook

Day 1 Outlook • August 12, 2026

Snapshot frozen at publish time • SPC issuance Aug 12, 2026, 12:36 UTC
This map reflects the outlook as issued; it does not update.
For the live SPC Day 1–3 outlook and active alerts, see iAlert Analysis.