Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

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Last Map Update: Mon, Sep 7, 2026 at 2:52:46 pm CDT

Watches, Warnings & Advisories

National Weather Service Wichita, Kansas

National Weather Service Springfield, MO

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National Weather Service Little Rock, AR

National Weather Service Fort Worth/Dallas, TX

Extreme Heat Warning

Heat Advisory

Hazardous Weather Outlook

Heat Advisory Monday

Heat Advisory Tuesday

Hot Weather Continues

A Pattern Change ?

Thunderstorm Chances Today & Tuesday

Forecast Summary

Fort Smith Radar

The heat continues into Labor Day with afternoon heat indices between 105 and 109 expected. A heat advisory is in effect from noon to 7 PM Monday afternoon.

Yet another Heat Advisory is now in effect Tuesday from Noon to 7 pm across most of eastern Oklahoma and parts of northwest Arkansas and the Arkansas River Valley. Expect peak heat index values up to 109. Continue to take heat safety precautions.

Dangerous heat index values will continue through mid week before a minor cool down for late week.

If the front that is forecast to make it to the area later this week arrives as now forecast, the stage may be set for several fronts to pass through the area from now into the middle of the month.

Isolated thunderstorms are forecast both Monday and Tuesday afternoons. Gusty strong downburst winds and cloud-to-ground lightning will be the main threats.

Hot weather continues through mid week with increasing rain chances and slightly cooler weather by late week.

KSRX Radar (Fort Smith, AR).

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Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

NWS Forecast Office Tulsa, OK