National Weather Service United States Department of Commerce

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

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Last Map Update: Thu, May 21, 2026 at 8:18:31 am CDT

Numerous showers and thunderstorms are expected today. Lightning and heavy rainfall that may lead to flooding is the primary hazard.
While there is not a risk for severe weather today, remember that any thunderstorm is dangerous if you're outdoors due to lightning.
There is a risk of severe thunderstorms Friday afternoon through the overnight hours with the greatest risk across western Oklahoma into western north Texas. The primary hazards are large hail and damaging wind gusts.
Cool, below-normal temperatures continue today with abundant cloud cover and numerous showers and storms. Warmer weather is expected by the weekend into early next week.
An unsettled weather pattern will persist into next week with a daily chance of showers and storms.
The latest CPC outlook going into early June is 30-50% leaning warmer than average with temperatures while with respect to rainfall as 30-40% probability leaning above average. Overall, the outlook has our area leaning warmer & wetter than average for early June.

Local Weather History For May 21st...
May 21, 2005 started a record warm weekend across Oklahoma and
northern Texas. Most of the area warmed into the upper 90s to just
over 100 degrees as a ridge of high pressure built across the
southwestern United States.

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