Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

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Last Map Update: Sun, Jun 21, 2026 at 7:58:39 pm CDT

Watches, Warnings & Advisories

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National Weather Service Little Rock, AR

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Hazardous Weather Outlook

Severe Thunderstorm Watch Tonight

Severe Outlook Sunday

Severe Timing Sunday

Severe Outlook Monday

Flood Watch Sunday-Monday

Forecast Summary

Tulsa Radar

[6 PM - 6/21/26] A Severe Thunderstorm Watch is in effect until 1 AM this evening for parts of northeast Oklahoma and far northwest Arkansas. Hail up to 2 inches in diameter and wind gusts to 70 mph will be possible with strongest storms. An isolated tornado cannot be ruled out.

There is a slight risk of severe weather Sunday evening into Monday morning as storms develop near a slow moving frontal boundary. 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.

A Flood Watch is in effect Sunday evening through Monday afternoon. There is a moderate risk (40-70% chance) of excessive rainfall leading to flash flooding due to repeated rounds of thunderstorms. Widespread 1 - 4” rainfall totals are forecast Sunday-Monday, with additional rain into Tuesday. Instances of flash flooding and rises on local rivers and streams are expected.

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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