National Weather Service United States Department of Commerce

Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture from the remnants of Odalys and Hurricane Polo will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Flood Watches have been issued through Wednesday in the southwest U.S. and moderate risk outlooks have been issued today through Thursday. Read More >

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Last Map Update: Mon, Sep 28, 2026 at 3:32:53 pm CDT

A wet last half of the upcoming work week is expected, with high rain chances near areawide from Wednesday night through Friday. Isolated to scattered thunderstorms will be embedded in the larger area of rain showers, raising the threat for lightning impacts to outdoor events. In addition, heavy rainfall is expected, with an increasing potential for flash flooding. Monitor the latest forecasts this week.
A marginal risk for severe weather exists for parts of eastern Oklahoma late Wednesday afternoon and evening. Damaging winds will be the main threat, with a lesser threat for hail and an isolated QLCS tornado.
Confidence is increasing that heavy rain will impact portions of E OK & NW AR later this week as a strong storm system moves into the region. Uncertainty remains regarding timing and heaviest rain placement, but rainfall amounts of 3-5 inches, locally 6+ inches, are possible. Please monitor the forecast for updates.
Above normal temperatures continue through early this week. Unsettled weather for mid to late week. Expect several periods of high rain chances and heavy rain potential. Some severe weather potential will exist as well.
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