Remnants of Arthur and Heavy Rainfall Across the South; Severe Weather for the East

Potential life threatening flash flooding across the northern Gulf Coast states as the remnants of Arthur track across the area. Remember, turn around - don't drown. In addition, severe thunderstorms with tornadoes are possible with the circulation of this storm. The threat for more severe thunderstorms will occur across portions of the Northeast, mid-Atlantic and central Appalachian's. Read More >

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Last Map Update: Thu, Jun 18, 2026 at 2:48:41 pm CDT

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Forecast Summary

Heat index values up to 105 degrees are forecast across southeast Oklahoma this afternoon and a Heat Advisory is in effect from 1 to 7 PM. Please be sure to take frequent breaks when outdoors today and stay hydrated.

Isolated to scattered thunderstorms will be possible across eastern Oklahoma and northwest Arkansas during the day Thursday. Any storms that develop may become strong to severe and produce large hail and damaging winds. Additional thunderstorms are expected to develop Thursday night, especially along and south of I-40, with a continued marginal risk for severe weather.

Thunderstorms are forecast to be ongoing Friday morning, especially along and south of I-40. Additional development is possible into the afternoon hours across southeast Oklahoma before storms exit the area. There is a marginal risk of severe weather with large hail, damaging winds, and heavy rainfall being the main threats.

Slow moving and training thunderstorms may produce areas of flash flooding across E OK & NW AR over the next several days. There is a marginal to slight Risk (5-15% chance) of excessive rainfall Thursday through Saturday.

Graphic depicts a 6-day forecast for select cities in eastern Oklahoma and western Arkansas, as well as details on hazards for the first 3 days and key weather messages.

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Remnants of Arthur and Heavy Rainfall Across the South; Severe Weather for the East

NWS Forecast Office Tulsa, OK