National Weather Service United States Department of Commerce

Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

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.
The Heat Advisory is in effect for portions of eastern OK and west-central AR where heat indices up to 106 F will be possible this 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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