Hurricane Lowell to Impact Kauai; Heat Continues in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai today. Impacts such as high surf and heavy rain could impact all of the islands. A Hurricane Warning is in effect for Kauai, Niihau and the surrounding coastal waters. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest this week with limited nighttime relief. Read More >

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Last Map Update: Tue, Sep 8, 2026 at 5:38:34 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

Dangerous Heat Continues

Dangerous Heat Wednesday

Hot Weather Continues

Severe Weather Outlook Wednesday

Thunderstorm Chances Tuesday & Wednesday

Forecast Summary

Fort Smith Radar

An Extreme Heat Warning is in effect from noon to 8PM Tuesday for parts of eastern Oklahoma into the Arkansas River Valley of western Arkansas for heat index values in excess of 110 degrees. A Heat Advisory is in effect for the rest of the forecast area. Expect peak heat index values up to 109 within the advisory area. Continue to take heat safety precautions.

Dangerous heat continues on Wednesday with heat index values of 105 to 113 degrees forecast across eastern Oklahoma and northwest Arkansas.

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

Thunderstorms are expected to develop across southern Kansas and spread south late Wednesday afternoon through early evening. A few storms could be severe with damaging winds the primary hazard.

Isolated thunderstorms are forecast Tuesday afternoon but chances increase along a slow moving front late Wednesday into Wednesday night. Gusty 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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Hurricane Lowell to Impact Kauai; Heat Continues in the South-Central U.S.

NWS Forecast Office Tulsa, OK