Day 1 Flood Potential Outlook - Updated

USA Weather — Hydrological Weather Division

This outlook is expired and is no longer valid.

Issued
8:53 PM EDT Wed, Sep 24 2025 (00:53Z Thu, Sep 25)
Valid
20Z Wed, Sep 24 - 08Z Thu, Sep 25
Forecaster
John Bradshaw

NO SIGNIFICANT RIVER FLOODING NOTED FOR THIS PERIOD

FLASH FLOODING

HEAVY RAINFALL IS EXPECTED AHEAD OF A COLD FRONT DRAPED ACROSS THE REGION FROM PA DOWN INTO SOUTHWEST TEXAS. ALONG THIS FRONTAL SYSTEM SHOWERS AND THUNDERSTORMS HAVE BEEN ONGOING.

GENERAL RISK RUNS FROM SOUTHWEST UP INTO OHIO AND WEST VIRGINIA WITH SLIGHT RISK (15%) FLASH FLOODING POSSIBLE IN 2 AREAS ONE ACROSS THE OHIO RIVER VALLEY AND ASLO IN THE TENNESSEE VALLEY AS WELL AS ACROSS NORTHERN MS. SOUTHWEST MS ,LA AND GULF COAST OF TX. 

THESE REGIONS WOULD SEE THE HEAVIEST OF THE RAINFALL AND LIKELY TRAINING OF SOME THUNDERSTORMS LOCALIZED AREAS OF 1.5 TO 2 INCHES OF NEW RAINFALL POSSIBLE AS THE AIRMASS AHEAD OF THE FRONT IS LOADED WITH GULF MOISTURE.