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Storm Alert: Big Thunderheads Loom Over Southern Minnesota Tonight

Twin Cities, Minnesota, USAMonday, May 18, 2026

Southern Minnesota may bask in tranquility for most of the weekend, but a powerful storm system is rapidly approaching. Forecasters warn of a significant surge in severe weather, with strong thunderstorms expected to roll in late Sunday night and persist through Monday morning.

Storm Risk Breakdown

  • Level 2 (Slight) Risk: Western, central, and southern Minnesota face the highest threat.
  • Level 3 (Enhanced) Risk: Far southwestern regions are under a slightly elevated danger.
  • Northern Minnesota: While calmer, firefighters remain battling blazes near Breezy Point and Two Harbors.

Timeline & Impact

  • Arrival: Storms are projected to sweep in around dinner time Sunday, moving west to east.
  • Twin Cities Metro: Expect heavy rain, strong winds, and potential flooding after 10 p.m.—but the worst should clear before Monday’s commute.
  • Hazards: Damaging hail, destructive wind gusts, and an isolated tornado risk are all possible.

Current Alerts

  • Tornado Watch (Until 10 p.m.): Active for Cottonwood and Jackson Counties.
  • Twin Cities Metro: No watch at this time, but conditions remain volatile.

Stay Prepared

Officials urge residents to: ✔ Monitor local updates for real-time alerts. ✔ Secure windows and reinforce structures. ✔ Stock emergency supplies to handle power outages or road closures.

Stay vigilant—the sky won’t stay calm for long.

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