Day 1 Convective Outlook

Issued: 2026-04-27 12:45 UTC

Valid: 2026-04-27 13:00 UTC

Numerous severe thunderstorms are expected from the mid Mississippi/lower Ohio Valleys into the Mid-South through this evening, with a threat for multiple strong to intense tornadoes (EF-3+), widespread severe/damaging wind gusts, and ...

Forecaster: Gleason/Thornton

Day 2 Convective Outlook

Issued: 2026-04-27 05:31 UTC

Valid: 2026-04-28 12:00 UTC

Scattered strong to severe thunderstorm development is probable across parts of the southeastern Great Plains through the lower Mississippi and Tennessee Valleys Tuesday afternoon and evening. The evolution of a long-lived organized ...

Forecaster: Kerr

Day 3 Convective Outlook

Issued: 2026-04-27 07:30 UTC

Valid: 2026-04-29 12:00 UTC

Strong storms could impact parts of the Allegheny Plateau into Mid Atlantic, as well as portions of the northwestern through north central Gulf Coast, Wednesday afternoon and evening, accompanied by at least ...

Forecaster: Kerr

Days 4-8 Convective Outlook

Issued: 2026-04-27 08:43 UTC

Valid: 2026-04-30 12:00 UTC

Medium-range guidance continues to indicate that the prevailing split flow will evolve in a manner that maintains a broadly confluent regime across and east of the Rockies through this period. Within the ...

Forecaster: Kerr