National Weather Service United States Department of Commerce

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Tulsa, OK

Weather Forecast Office

NWS Forecast Office Tulsa, OK

Weather.gov > Tulsa, OK
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Last Map Update: Wed, Jun 17, 2026 at 12:00:38 pm CDT

Hot and Humid Today
Severe Outlook Wednesday
Severe Outlook Thursday
Heavy Rain Potential Returns
Forecast Summary
Heat index values of 100 to 105 degrees are likely across E OK into W-Central AR this afternoon. Stay hydrated and take breaks in shade when spending time outdoors.
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A marginal to slight risk for severe storms will exist late in the day Wednesday across portions of northeast Oklahoma as a frontal boundary works into the area. Large hail and damaging winds will be the main concerns.
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A marginal risk for severe weather is forecast across much of eastern Oklahoma and northwest Arkansas Thursday afternoon and evening. Additional thunderstorms will remain possible overnight with a few strong to severe storms possible. Large hail and damaging wind gusts are the primary concerns.
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There is a marginal to slight Risk (5-15% chance) of excessive rainfall Wednesday through Friday. Slow moving and training thunderstorms may produce areas of flash flooding.
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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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