Tropical Depression in the Gulf; Severe Thunderstorms Monday

Tropical Depression Two is expected to gradually strengthen and could bring tropical storm conditions to the Florida Panhandle beginning late Monday. Areas of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest Monday, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

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Last Map Update: Sun, Jul 19, 2026 at 8:24:49 pm CDT

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Heat Advisory Monday

Dangerous Heat Monday & Tuesday

Thunderstorm Chances Sunday

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Forecast Summary

Fort Smith Radar

Another hot and humid day is expected on Monday, with widespread heat index values from 105 to 110 in the afternoon. A Heat Advisory is in effect from 1 pm to 8 pm Monday for most of eastern Oklahoma and west central Arkansas. Continue to exercise good heat safety to avoid heat illness.

Heat will intensify Monday and especially on Tuesday as upper level high pressure strengthens. Afternoon heat indices of 100-110 F, locally higher will occur on Monday. Even hotter heat indices will occur on Tuesday, with afternoon values reaching between 105-115 F, locally higher. Heat precautions should be taken for any extended time outdoors.

Isolated afternoon thunderstorms are possible Sunday primarily across southeast Oklahoma and northwest Arkansas. Locally gusty winds are possible with any stronger storms.

Heat is expected to intensify the next few days. Afternoon heat indices of 100-110 F, locally higher through Tuesday, are expected. Heat precautions should still be taken for any extended time outdoors.

Low storm chances will occur again today. Dangerous heat develops today through Tuesday, possibly beyond.

KSRX Radar (Fort Smith, AR).

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Tropical Depression in the Gulf; Severe Thunderstorms Monday

NWS Forecast Office Tulsa, OK