National Weather Service United States Department of Commerce
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Last Map Update: Thu, Apr 23, 2026 at 3:34:40 pm CDT

Thunderstorm chances increase late this afternoon and evening and will persist into Friday morning across eastern Oklahoma and northwest Arkansas. A slight to enhanced severe risk exists across NE OK, while a marginal severe weather risk is outlooked for NW AR and SE OK. In the enhanced and slight risk areas, the main threats will be very large hail and locally damaging winds to 70 mph. There is also an elevated tornado threat with any discrete cells this evening. In the marginal risk area, the main threat will be damaging winds to 60 mph, and isolated occurrences of large hail.
Severe storm probabilities increase with storms forecast to move into northeast Oklahoma by evening and spread east and southeast into Friday morning.
Thunderstorms may be ongoing early Friday morning and expand in coverage and intensity through the day. A slight risk of severe weather is outlooked Friday for much of east central and southeast Oklahoma as well as much of western Arkansas while a frontal boundary sets up over the region. Locally heavy rainfall and flooding potential may also develop.
A frontal boundary is forecast to lift back northward Saturday afternoon and night, which will aid in increasing thunderstorm chances for eastern Oklahoma and northwest Arkansas. A slight to enhanced severe weather risk is outlooked for eastern Oklahoma and western Arkansas Saturday. Large hail and damaging winds are the primary severe threats.
15 to 30 percent severe storm chances continue across eastern Oklahoma and northwest Arkansas Sunday, then shift eastward Monday as a cold front moves through the region. Large hail and damaging wind gusts are the main hazards each day. Storms should exit by Monday evening.
In addition to the severe weather threat, a heavy rain threat develops for portions of eastern Oklahoma and northwest Arkansas this weekend. A marginal risk for excessive rainfall that could lead to localized flooding exists each day.
Forecast summary for select cities for the next six days, as well as three days of weather hazards across eastern Oklahoma and northwest and west central Arkansas.
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