Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

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Last Map Update: Sun, Sep 6, 2026 at 1:46:36 pm CDT

Watches, Warnings & Advisories

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National Weather Service Austin/San Antonio, TX

National Weather Service Houston/Galveston, TX

National Weather Service Lake Charles, LA

Heat Advisory

Hazardous Weather Outlook

Hot Rest of Labor Day Weekend

Hot Weather Continues :(

A Heat Advisory is in effect Sunday for much of North Texas where heat index values up to 108 degrees are expected. Isolated storms may develop again across Central TX (20-30% chance). It will be hot Monday (Labor Day) with highs in the upper 90s/triple digits and heat index values up to 108 degree. Rain chances are 10% or less Monday.

Looking ahead to next week, there is no immediate end in sight to the ongoing stretch of hot and dry conditions with temperatures remaining above-normal through at least mid month. The strong upper level ridge will also maintain the prevailing dry conditions across much of the region. Highs up to 103 degrees and heat index values up to 108 degrees are expected this week.

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Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

NWS Fort Worth/Dallas