Day 1 Convective Outlook

Issued: 2026-06-11 16:22 UTC

Valid: 2026-06-11 16:30 UTC

Widespread severe thunderstorms are expected this afternoon and evening across parts of the Midwest and Great Lakes region, including far eastern Iowa, northern Missouri, northern/central Illinois, southern Wisconsin, Lower Michigan, and northern ...

Forecaster: Gleason/Flournoy

Day 2 Convective Outlook

Issued: 2026-06-11 17:29 UTC

Valid: 2026-06-12 12:00 UTC

Clusters of thunderstorms may develop across the Appalachians into Mid Atlantic Friday afternoon through Friday evening, accompanied by potential to produce damaging wind gusts.

Forecaster: Kerr

Day 3 Convective Outlook

Issued: 2026-06-11 19:30 UTC

Valid: 2026-06-13 12:00 UTC

One or two evolving thunderstorm clusters appear possible across parts of the central Great Plains and lower Missouri Valley vicinity Saturday afternoon through Saturday night, accompanied by potential for strong, damaging wind ...

Forecaster: Kerr

Days 4-8 Convective Outlook

Issued: 2026-06-11 08:52 UTC

Valid: 2026-06-14 12:00 UTC

...Day 4/Sunday... The 00z models have trended toward a much stronger short-wave trough and associated mid-level jet, which will progress from the Great Lakes and OH Valley into the Northeast. Elsewhere, a ...

Forecaster: Mead