Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >

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Last Map Update: Sun, Jun 21, 2026 at 8:46:27 am CDT

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Forecast Summary

Tulsa Radar

There is a marginal to slight risk of severe weather Sunday as storms develop in the vicinity of a slow moving frontal boundary. While an isolated strong to severe storm will be possible during the afternoon, the main severe threat occurs during the evening and overnight hours. Large hail, damaging wind gusts, and heavy rainfall/flash flooding are the primary hazards. However, a tornado or two cannot be ruled out over northeast Oklahoma or northwest Arkansas during the evening.

Strong to severe thunderstorms may impact portions of northeast Oklahoma this morning, but today's main severe weather potential will develop during the evening and overnight hours across E OK & NW AR. Coverage remains uncertain, but storms will generally trend southward with time tonight into Monday morning.

Strong to severe thunderstorms are expected to be ongoing Monday morning, especially across SE OK and W-Central AR. While these storms should generally weaken and decrease into the early afternoon, additional thunderstorms are forecast to impact the area by late evening and overnight. Large hail, damaging wind gusts, and heavy rainfall/flash flooding will continue to be the main hazards.

There is a marginal to moderate risk (15-50% chance) of excessive rainfall Sunday through Tuesday due to repeated rounds of thunderstorms. Widespread 1 - 4” rainfall totals are forecast Sunday-Tuesday, though locally higher amounts in excess of 6” will be possible. The heaviest rain occurs Sunday night/Monday. Instances of flash flooding and rises on local rivers and streams are expected.

The Heat Advisory was expanded to include additional counties in E OK where heat indices up to 106 F will be possible Sunday afternoon. Please be mindful of the heat during your outdoor activities, take frequent breaks, and stay hydrated!

Weather hazards and forecast summary for eastern Oklahoma and northwest Arkansas. Key messages listed on the bottom left.

Tulsa Oklahoma (KINX) Radar

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Areas of Severe Thunderstorms and Excessive Rainfall Today

NWS Forecast Office Tulsa, OK