Hot, humid weather continues today

National Weather Service graphic
National Weather Service graphic

Hot and humid conditions will continue today and Thursday, according to the National Weather Service.

There is a chance of showers and thunderstorms through the end of the work week, with the best chances Friday through Sunday, the weather service said.

Periods of heavy rainfall are possible with storms over the weekend and will lead to increased flooding and flash flooding concerns, according to the weather service.

Heavy rain across the northern plains and upstream releases will place many points along the Missouri River back into flood.

While the weather service forecast says Kansas City, Missouri, will not flood from Wednesday to Friday, it lists Parkville, Missouri, as near flood stage on Friday. The Wolcott area of Wyandotte County could reach near flood stage on Friday.

Today, it will be sunny with a high near 91 and a heat index as high as 95, the weather service said. A south wind will be from 5 to 9 mph.

Tonight, it will be mostly clear, with a low around 71 and a south wind around 6 mph becoming calm after midnight, according to the weather service.

Thursday, there is a 20 percent chance of showers and thunderstorms after 1 p.m., the weather service said. It will be mostly sunny, with a high near 90 and a south wind of 3 to 6 mph.

Thursday night, it will be partly cloudy with a low of 70 and a calm wind, according to the weather service.

Friday, there is a 40 percent chance of showers and thunderstorms, mainly after 1 p.m., the weather service said. It will be partly sunny with a high near 83 and a light south wind increasingto 5 to 10 mph in the morning. Less than a tenth of an inch of rain is predicted.

Friday night, there is a 30 percent chance of showers and thunderstorms, with a low of 71, according to the weather service. Less than a tenth of an inch of rain is possible.

Saturday, there is a 50 percent chance of showers and thunderstorms, with a high near 82, the weather service said.

Saturday night, there is an 80 percent chance of showers and thunderstorms, with a low o 64, according to the weather service. Some of the storms could produce heavy rainfall.

Sunday, there is a 60 percent chance of showers and thunderstorms likely, mainly before 1 p.m., the weather service said. The high will be near 79.

Sunday night, there is a 40 percent chance of showers and thunderstorms before 1 a.m., according to the weather service. The low will be around 64.

Monday, it will be mostly sunny, with a high near 82, the weather service said.

Monday night, there is a 30 percent chance of showers and thunderstorms, with a low of 67, according to the weather service.

Tuesday, there is a 30 percent chance of showers and thunderstorms, with a high near 78, the weather service said.

National Weather Service graphic

Forecast: Hot and muggy today

National Weather Service graphic

Hot and muggy weather is in today’s forecast from the National Weather Service.

The high will be near 91 while the heat index could reach at least 95 degrees, the weather service said.

Storms are in the forecast for Thursday through Monday, according to the weather service. A cold front will begin moving into the region on Wednesday.

No severe storms are expected, but each subsequent round of rain will increase flooding concerns, the weather service said.

There is still some uncertainty with this system and where the heaviest rainfall will occur, according to the weather service.

Currently, the Missouri and Kansas rivers in Wyandotte County are below flood stage and below action stage. The Missouri River at Parkville, which includes the Wyandotte County area, is expected to rise to action stage on the weekend. The Missouri River at Atchison is currently at action stage. The Missouri River at St. Joseph, Missouri, is currently in minor flood stage.

Today, it will be mostly sunny with a high near 91 and a south wind of 5 to 11 mph, the weather service said.

Tonight, it will be mostly clear, with a low around 72, and a south southeast wind of 5 to 7 mph, according to the weather service.

Wednesday, it will be sunny, with a high near 90 and heat index values as high as 96, the weather service said. The wind will be from the south at 5 to 10 mph.

Wednesday night, it will be mostly clear with a low of 71 and a calm wind, according to the weather service.

Thursday, there is a 20 percent chance of showers and thunderstorms, with a high near 88, the weather service said. A calm wind will become south around 6 mph in the morning.

Thursday night, it will be partly cloudy with a low of 71, according to the weather service.

Friday, there is a 30 percent chance of showers and thunderstorms after 1 p.m., according to the weather service. It will be partly sunny, with a high near 83.

Friday night, there is a 50 percent chance of showers and thunderstorms, with a low of 71, according to the weather service.

Saturday, there is a 40 percent chance of showers and thunderstorms, with a high near 83, the weather service said.

Saturday night, there is a 60 percent chance of showers and thunderstorms, with some of the storms capable of producing heavy rainfall, according to the weather service. The low will be around 66.

Sunday, there is a 50 percent chance of showers and thunderstorms, with a high near 80, the weather service said.

Sunday night, there is a 30 percent chance of showers and thunderstorms, with a low of 62, according to the weather service.

Monday, it will be mostly sunny, with a high near 81, the weather service said.

More flooding predicted on Missouri River

More flooding is predicted in the Missouri River basin, officials from the National Weather Service and Army Corps of Engineers said Monday.

Areas to the north of Kansas City, including in eastern Montana, North Dakota, South Dakota and Nebraska, experienced 400 percent of the normal amount of precipitation in the first two weeks of September, according to Kevin Low from the NWS’s Missouri Basin River Forecast Center, and there is ongoing flooding in South Dakota, Iowa, Kansas and Missouri. River conditions were discussed during a conference call on Monday.

The Missouri River is in minor flood stage from Nebraska City, Nebraska, to St. Joseph, Missouri, and from Napoleon, Missouri, to Miami, Missouri. The Big Blue River is currently in flood stage above Tuttle Creek in Kansas.

While the Missouri River in the Kansas City area is not currently in flood stage, rain is forecast for Thursday through Sunday here. A NWS hydrology chart showed the Missouri River here may rise to action stage.

Floods will occur regardless of basin or system conditions, including ice-induced flooding during the winter-spring breakup periods, and flooding due to spring and summer thunderstorms, particularly along the lower Missouri River, which cannot be mitigated by operations of the mainstem reservoir system, according to John Remus, chief of the Missouri River Basin Water Management Division at the Corps of Engineers.

In response to the heavy rains and runoff to the north, the Corps of Engineers reduced water releases from Gavins Point Dam from 70,000 cubic feet per second to 60,000 cfs last weekend, he said. This reduction will continue no longer than three days, he said.

The reduction is an attempt to reduce the peak stage between Sioux City and Omaha and may prevent the flood from overtopping I-29 north of Omaha, he said.

Remus said the reservoir water releases then will increase gradually from 60,000 cfs to 80,000 cfs, and will be held at 80,000 cfs for several weeks. This could be well into October, he said.

Officials said Gavins Point releases will increase each day by 5,000 cfs starting Wednesday morning, reaching 80,000 cfs Saturday.

Remus said these increases were going to be necessary to evacuate the waters in the reservoirs. They need to evacuate more than half of the flood control storage in a little more than 11 weeks, he said.

Officials are trying to get the excess water out of the reservoirs by the first of December.

Any places that flooded previously in 2019 could be subject again to more flooding within the next week or so, according to officials.

While some levees that failed earlier this year have already been restored, others have not.

According to Kevin Grode, team leader for reservoir regulation in the Missouri River Water Management Division, the runoff forecast has increased from 54.6 million acre feet Sept. 1 to 58.8 million acre feet. It is more than two times average and just short of the record 61 million acre feet in 2011, he said.

Corps of Engineers officials from the Kansas City District said that they are reducing flows from Milford, Tuttle, Perry and Clinton reservoirs during the next few days. Future water releases will depend on the conditions of the Missouri River.

The Corps of Engineers has set a maximum of 140,000 cfs at the Missouri River at Waverly, Missouri, which is an increase from 90,000. The increase was necessary to empty stored flood waters at the reservoirs, according to officials. It will take 90 to 100 days to empty the flood waters, according to officials.

After a temporary reduction in water releases, the higher releases will resume, according to officials.

According to Mike Dulin, emergency manager for the Kansas City District, the Missouri River crest should reach Rulo, Nebraska, on Saturday or Sunday, Sept. 21 and 22, at a stage of around 22 feet.

While no levees are expected to overtop, previously overtopped levees could see some water move back into them, including Holt County, according to officials.

Buchanan County and Platte County, Missouri, also could see a rise in the Missouri River, officials said. They said they do not anticipate any major impacts.

Residents were asked to pay attention to flood watches and warnings this coming weekend.

According to a Corps of Engineers chart, the Wolcott levee, Section 1, a nonfederal levee in Kansas City, Kansas, overtopped and breached on March 23. The Wolcott levees, section 2 and 3, overtopped on March 23 but did not breach.

More detailed information about the river and reservoir conditions may be found at https://www.nwd.usace.army.mil/Media/News-Releases/Article/1961799/corps-hosts-call-to-update-stakeholders-on-reservoir-storage-plans/.