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Storms Expected This Week: Stay Alert

Midwest United States, USAMonday, June 15, 2026

A low‑pressure system is moving across the Upper Midwest and Great Lakes, pushing winds southward into Mid‑Missouri. This shift sets the stage for possible severe storms.

Late Tuesday Night Outlook

  • A cluster of storms may form near the cold front.
  • These storms could travel northeast into Illinois, potentially leaving an outflow boundary that sparks additional activity on Wednesday afternoon.

Conditions Favoring Storms

  • Hot, humid air south of the boundary creates an unstable environment.
  • Strong low‑level winds and wind shear from lower to middle layers support rapid storm intensification.

Potential Threats

  • Early afternoon: Outflow boundary‑driven storms could evolve into isolated supercells, producing large hail and tornadoes.
  • Evening: A cold front will likely trigger a line of storms with damaging winds as the main threat.
  • Night: Storms will move from north to south, fading after midnight.

Primary Concerns

  • Strong winds and heavy rainfall during the evening.
  • 1–2 inches of rain possible through Thursday morning due to high atmospheric moisture.

Forecast Risk Level

The Storm Prediction Center has placed most of Mid‑Missouri at Level 3 out of 5 for severe weather risk on Wednesday. Residents should stay informed and prepare accordingly.

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