Day 1 Convective Outlook

Issued: 2026-07-20 12:18 UTC

Valid: 2026-07-20 13:00 UTC

Severe thunderstorms are expected across portions of the Upper Midwest and Great Lakes vicinity, especially late this afternoon and tonight. Swaths of damaging winds, large hail, and a few tornadoes will all ...

Forecaster: Smith/Broyles

Day 2 Convective Outlook

Issued: 2026-07-20 05:39 UTC

Valid: 2026-07-21 12:00 UTC

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley into the Mid-Atlantic and Northeast on Tuesday. All severe hazards are possible, but swaths of damaging wind gusts should ...

Forecaster: Leitman

Day 3 Convective Outlook

Issued: 2026-07-20 07:21 UTC

Valid: 2026-07-22 12:00 UTC

Isolated strong to severe thunderstorms will pose a risk for damaging wind gusts across parts of southeast Virginia and North Carolina.

Forecaster: Leitman

Days 4-8 Convective Outlook

Issued: 2026-07-20 08:02 UTC

Valid: 2026-07-23 12:00 UTC

Upper troughing will persist across the eastern U.S. through early next week. Meanwhile, a strong, amplified upper ridge will envelop the western half of the CONUS. This should largely limit greater severe ...

Forecaster: Leitman