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Waucoma Warnings, Watches and Advisories

NWS Active Alerts for IA - Map View

State: IA Total alerts: 19 Updated: Sep 20, 2026 6:42pm CDT

Flood Warning

Area
Clayton, IA
Flood Warning issued September 20 at 12:56PM CDT until September 21 at 12:00AM CDT by NWS La Crosse WI

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southwestern Clayton County in northeastern Iowa along the Volga River... * WHEN...Until midnight CDT Tonight. * IMPACTS...Minor to moderate flooding along the Volga River. * ADDITIONAL DETAILS... - At 1253 PM CDT, flooding continues on the Volga River in southwestern Clayton County. The river has crested and is starting to fall, and is expected to fall below flood stage later tonight. Gauge reports indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. - Some locations that will experience flooding include... Volga, Highway 13 And County C 24, Osborne, Mederville, Communia and Littleport. - http://www.weather.gov/safety/flood

Flood Watch

Area
Muscatine; Scott; Rock Island
Flood Watch issued September 20 at 11:26AM CDT until September 24 at 9:00AM CDT by NWS Quad Cities IA IL

...The Flood Watch continues for the following rivers in Illinois... Iowa... Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine zones. .Rainfall that fell Saturday night into early this morning was aligned more with tributaries that flow into the Mississippi south of the Quad Cities. This has resulted in a lower forecast for the Mississippi River in this area. Observational trends will continue to be monitored through this afternoon and evening, and may result in the Watch being cancelled this evening. * WHAT...Flooding is possible. * WHERE...Mississippi River at Rock Island LD15. * WHEN...From Monday evening to Thursday morning. * ADDITIONAL DETAILS... - At 11:00 AM CDT Sunday the stage was 9.5 feet and slowly rising. - Forecast...Rises on the river will continue through at least Monday night. The river may reach flood stage, but is less likely to do so than forecasts from 24 hours ago. - Flood stage is 15.0 feet.

Flood Watch

Area
Des Moines; Henderson
Flood Watch issued September 20 at 11:18AM CDT until September 26 at 4:00AM CDT by NWS Quad Cities IA IL

...The Flood Watch continues for the following rivers in Illinois... Iowa... Mississippi River at Keithsburg affecting Louisa, Des Moines, Mercer and Henderson Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Burlington affecting Hancock, Des Moines, Lee and Henderson Counties. .Additional rainfall from today through Monday night is expected to be considerably lighter than what fell Thursday through Saturday night. This helps provide higher confidence in these river forecasts compared to 24 hours ago. * WHAT...Flooding is possible. * WHERE...Mississippi River at Gladstone LD18. * WHEN...From late Tuesday night to late Friday night. * ADDITIONAL DETAILS... - At 11:00 AM CDT Sunday the stage was 4.7 feet and rising. - Forecast...Flood stage may be reached early Wednesday morning. - Flood stage is 10.0 feet.

Flood Watch

Area
Louisa; Des Moines; Mercer; Henderson
Flood Watch issued September 20 at 11:18AM CDT until September 25 at 10:00AM CDT by NWS Quad Cities IA IL

...The Flood Watch continues for the following rivers in Illinois... Iowa... Mississippi River at Keithsburg affecting Louisa, Des Moines, Mercer and Henderson Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Burlington affecting Hancock, Des Moines, Lee and Henderson Counties. .Additional rainfall from today through Monday night is expected to be considerably lighter than what fell Thursday through Saturday night. This helps provide higher confidence in these river forecasts compared to 24 hours ago. * WHAT...Flooding is possible. * WHERE...Mississippi River at Keithsburg. * WHEN...From Tuesday evening to Friday morning. * ADDITIONAL DETAILS... - At 10:30 AM CDT Sunday the stage was 8.9 feet and rising. - Forecast...Flood stage may be reached late Tuesday evening. - Flood stage is 14.0 feet.

Flood Watch

Area
Des Moines; Lee; Henderson; Hancock
Flood Watch issued September 20 at 11:18AM CDT until September 25 at 1:00PM CDT by NWS Quad Cities IA IL

...The Flood Watch continues for the following rivers in Illinois... Iowa... Mississippi River at Keithsburg affecting Louisa, Des Moines, Mercer and Henderson Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Burlington affecting Hancock, Des Moines, Lee and Henderson Counties. .Additional rainfall from today through Monday night is expected to be considerably lighter than what fell Thursday through Saturday night. This helps provide higher confidence in these river forecasts compared to 24 hours ago. * WHAT...Flooding is possible. * WHERE...Mississippi River at Burlington. * WHEN...From Wednesday morning to Friday afternoon. * ADDITIONAL DETAILS... - At 10:00 AM CDT Sunday the stage was 10.0 feet and rising. - Forecast...Flood stage may be reached late Wednesday morning. - Flood stage is 15.0 feet.

Flood Warning

Area
Johnson, IA; Washington, IA
Flood Warning issued September 20 at 10:10AM CDT until September 22 at 11:34PM CDT by NWS Quad Cities IA IL

...Forecast flooding changed from Moderate to Major severity and increased in duration for the following rivers in Iowa... English River at Kalona affecting Washington and Johnson Counties. .Additional rainfall from today through Monday night is expected to be considerably lighter than what fell Thursday through Saturday night. This helps provide higher confidence in these river forecasts. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...English River at Kalona. * WHEN...Until Tuesday evening. * IMPACTS...At 18.0 feet, water has overtopped roads causing closures. This includes 130th St, Kiwi Ave, Orange Ave and Poplar Ave. Extensive agricultural land near the river is flooded. Water begins backing into town on the north side of the river. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 17.6 feet and slowly rising. - Forecast...The river is expected to rise to a crest of 18.1 feet this evening. It will then fall below flood stage Tuesday afternoon. - Flood stage is 14.0 feet.

Flood Watch

Area
Louisa
Flood Watch issued September 20 at 10:02AM CDT until September 26 at 6:00PM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Iowa... Iowa River at Columbus Jct affecting Louisa County. ...The Flood Watch is extended for the following rivers in Iowa... Iowa River at Wapello affecting Louisa County. Iowa River at Oakville affecting Louisa County. * WHAT...Flooding is possible. * WHERE...Iowa River at Wapello. * WHEN...From Monday evening to Saturday evening. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 17.5 feet and rising. - Forecast...Flood stage may be reached Monday night. - Flood stage is 21.0 feet.

Flood Watch

Area
Louisa
Flood Watch issued September 20 at 10:02AM CDT until September 26 at 1:00PM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Iowa... Iowa River at Columbus Jct affecting Louisa County. ...The Flood Watch is extended for the following rivers in Iowa... Iowa River at Wapello affecting Louisa County. Iowa River at Oakville affecting Louisa County. * WHAT...Flooding is possible. * WHERE...Iowa River at Oakville. * WHEN...From late Monday night to Saturday afternoon. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 6.8 feet and rising. - Forecast...Flood stage may be reached early Tuesday morning. - Flood stage is 11.0 feet.

Flood Warning

Area
Benton, IA; Iowa, IA
Flood Warning issued September 20 at 10:02AM CDT until September 22 at 2:00AM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Warning for the following rivers in Iowa... Iowa River at Marengo affecting Iowa and Benton Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...From this evening to late Monday night. * IMPACTS...At 15.0 feet, Water reaches the bottom of the levee surrounding Marengo. Water affects low lying agricultural land along the river * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 12.7 feet and rising. - Forecast...The river is expected to rise above flood stage this evening to a crest of 15.4 feet overnight. It will then fall below flood stage Monday afternoon. - Flood stage is 15.0 feet.

Flood Warning

Area
Johnson, IA; Louisa, IA; Washington, IA
Flood Warning issued September 20 at 10:02AM CDT until September 23 at 6:25PM CDT by NWS Quad Cities IA IL

...The Flood Warning is extended for the following rivers in Iowa... Iowa River near Lone Tree affecting Louisa, Washington and Johnson Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River near Lone Tree. * WHEN...Until Wednesday evening. * IMPACTS...At 18.0 feet, Sand Road closes south of 520th Street to the Highway 22 intersection. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 15.7 feet and rising. - Forecast...The river will rise above flood stage this afternoon to 16.8 feet this evening. It may fall briefly, but likely to rise again Monday night into Tuesday to 17.5 feet. It will then fall below flood stage Wednesday. - Flood stage is 16.0 feet.

Flood Watch

Area
Louisa
Flood Watch issued September 20 at 10:02AM CDT until September 23 at 11:00PM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Iowa... Iowa River at Columbus Jct affecting Louisa County. ...The Flood Watch is extended for the following rivers in Iowa... Iowa River at Wapello affecting Louisa County. Iowa River at Oakville affecting Louisa County. * WHAT...Flooding is possible. * WHERE...Iowa River at Columbus Jct. * WHEN...From late Monday night to Wednesday evening. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 17.1 feet and rising. - Forecast...Flood stage may be reached Tuesday morning. - Flood stage is 23.0 feet.

Flood Warning

Area
Louisa, IA; Muscatine, IA
Flood Warning issued September 20 at 9:51AM CDT until September 25 at 12:00AM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Warning for the following rivers in Iowa... Cedar River near Conesville affecting Louisa and Muscatine Counties. .Additional rainfall from today through Monday night is expected to be considerably lighter than what fell Thursday through Saturday night. This helps provide higher confidence in these river forecasts. ...REPLACES RIVER FLOOD WATCH... * WHAT...Minor flooding is forecast. * WHERE...Cedar River near Conesville. * WHEN...From this evening to Thursday night. * IMPACTS...At 15.0 feet, Water affects Saulsbury Road. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 11.5 feet and rising. - Forecast...The river is expected to rise above flood stage this evening to a crest of 14.9 feet early Tuesday morning. It will then fall below flood stage Thursday afternoon. - Flood stage is 13.0 feet.

Flood Warning

Area
Keokuk, IA
Flood Warning issued September 20 at 9:44AM CDT until September 23 at 1:00AM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Warning for the following rivers in Iowa... North Skunk River near Sigourney affecting Keokuk County. .Additional rainfall from today through Monday night is expected to be considerably lighter than what fell Thursday through Saturday night. This helps provide higher confidence in these river forecasts. ...REPLACES RIVER FLOOD WATCH... * WHAT...Minor flooding is forecast. * WHERE...North Skunk River near Sigourney. * WHEN...From this evening to late Tuesday night. * IMPACTS...At 18.0 feet, Water affects most agricultural land near Sigourney. * ADDITIONAL DETAILS... - At 9:30 AM CDT Sunday the stage was 13.8 feet and rising. - Forecast...The river is expected to rise above flood stage tonight to a crest of 17.2 feet Monday afternoon. It will then fall below flood stage Tuesday afternoon. - Flood stage is 16.0 feet.

Flood Warning

Area
Clinton, IA; Scott, IA
Flood Warning issued September 20 at 9:40AM CDT by NWS Quad Cities IA IL

...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. .Additional rainfall from today through Monday night is expected to be considerably lighter than what fell Thursday through Saturday night. This helps provide higher confidence in these river forecasts. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until further notice. * IMPACTS...At 13.0 feet, Water affects many residences along the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Sunday the stage was 11.7 feet and slowly rising. - Forecast...The river is expected to rise to a crest of 13.0 feet Wednesday afternoon into Thursday. - Flood stage is 11.0 feet.

Flood Watch

Area
Linn; Jones; Cedar
Flood Watch issued September 20 at 9:40AM CDT until September 23 at 3:00PM CDT by NWS Quad Cities IA IL

...The Flood Watch continues for the following rivers in Iowa... Wapsipinicon River near Anamosa Shaw Rd affecting Linn, Cedar and Jones Counties. * WHAT...Flooding is possible. * WHERE...Wapsipinicon River near Anamosa Shaw Rd. * WHEN...From Monday evening to Wednesday afternoon. * ADDITIONAL DETAILS... - At 9:15 AM CDT Sunday the stage was 13.8 feet and steady. - Forecast...Flood stage may be reached late Monday evening. - Flood stage is 14.5 feet.

Flood Warning

Area
Jackson, IA
Flood Warning issued September 20 at 9:29AM CDT until September 21 at 3:00PM CDT by NWS Quad Cities IA IL

...The Flood Warning continues for the following rivers in Iowa... Maquoketa River near Maquoketa affecting Jackson County. .Additional rainfall from today through Monday night is expected to be considerably lighter than what fell Thursday through Saturday night. This helps provide higher confidence in these river forecasts. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Maquoketa River near Maquoketa. * WHEN...Until Monday afternoon. * IMPACTS...At 26.0 feet, Significant agricultural flooding and increasing impacts on the city of Maquoketa. * ADDITIONAL DETAILS... - At 8:15 AM CDT Sunday the stage was 25.5 feet and slowing rising. - Forecast...The river is expected to rise to a crest of 25.7 feet this afternoon. It will then fall below flood stage by early Monday afternoon. - Flood stage is 24.0 feet.

Flood Warning

Area
Clayton, IA
Flood Warning issued September 20 at 8:57AM CDT until September 21 at 1:30PM CDT by NWS La Crosse WI

...The Flood Warning continues for the following rivers in Iowa... Turkey River at Garber affecting Clayton County. ...The Flood Warning is extended for the following rivers in Iowa... Turkey River at Spillville affecting Winneshiek County. Turkey River at Elkader affecting Clayton County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Turkey River at Garber. * WHEN...Until Monday afternoon. * ADDITIONAL DETAILS... - At 8:15 AM CDT Sunday the stage was 21.7 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:15 AM CDT Sunday was 22.3 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 8.0 feet Sunday, September 27. - Flood stage is 17.0 feet. - Flood History...This crest compares to a previous crest of 21.7 feet on 03/19/1948. - http://www.weather.gov/safety/flood

Flood Warning

Area
Winneshiek, IA
Flood Warning issued September 20 at 8:57AM CDT until September 21 at 1:00PM CDT by NWS La Crosse WI

...The Flood Warning continues for the following rivers in Iowa... Turkey River at Garber affecting Clayton County. ...The Flood Warning is extended for the following rivers in Iowa... Turkey River at Spillville affecting Winneshiek County. Turkey River at Elkader affecting Clayton County. * WHAT...Minor flooding is forecast. * WHERE...Turkey River at Spillville. * WHEN...Until Monday afternoon. * IMPACTS...At 10.0 feet, River begins to wrap around Riverside Park between the campground and baseball fields. Flooding in yards between N Main Street and river north of Bridge Street. * ADDITIONAL DETAILS... - At 8:30 AM CDT Sunday the stage was 7.8 feet. - Bankfull stage is 8.0 feet. - Forecast...The river is expected to rise to a crest of 9.0 feet just after midnight tonight before beginning to fall. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.0 feet on 06/18/1984. - http://www.weather.gov/safety/flood

Flood Watch

Area
Louisa; Mercer
Flood Watch issued September 19 at 10:12PM CDT until September 25 at 1:00PM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Scott, Muscatine and Rock Island zones. Mississippi River at Muscatine affecting Mercer, Muscatine, Rock Island and Louisa Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island zones. Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at New Boston LD17. * WHEN...From late Monday night to Friday afternoon. * ADDITIONAL DETAILS... - At 9:10 PM CDT Saturday the stage was 7.2 feet. - Forecast...Flood stage may be reached early Tuesday morning. - Flood stage is 15.0 feet.

SAFETY and DATA MESSAGE

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Waucoma.

Use the Radar Maps link provided to understand the trajectory of a storm.

For more official information about severe storms and how to stay safe, visit the National Weather Service's Severe Thunderstorm Safety page. We encourage you to also monitor Excessive Rainfall Forecasts on their Weather Prediction Center website.

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