Derby, KS Warnings, Watches and Advisories

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 Derby.

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

Dense Fog Advisory issued June 6 at 2:56AM MDT until June 6 at 9:00AM MDT by NWS Goodland KS

* WHAT...Visibility around one quarter mile and locally zero visibility. * WHERE...Portions of east central and northeast Colorado, northwest Kansas, and southwest Nebraska. * WHEN...Until 9 AM MDT /10 AM CDT/ this morning. * IMPACTS...Low visibility will make driving conditions hazardous.

Flood Warning issued June 6 at 2:55AM CDT until June 7 at 4:00AM CDT by NWS Topeka KS

...The Flood Warning is extended for the following rivers in Kansas... Big Blue River near Blue Rapids affecting Marshall County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Big Blue River near Blue Rapids. * WHEN...Until late tonight. * IMPACTS...At 26.0 feet, Minor lowland flooding occurs from Marysville to Tuttle Creek Lake. * ADDITIONAL DETAILS... - At 2:15 AM CDT Saturday the stage was 27.4 feet. - Forecast...The river will fall below flood stage late this afternoon to 25.8 feet just after midnight tonight. It will then rise to 25.9 feet tomorrow morning. It will fall to 23.7 feet Monday morning. It will then rise to 23.8 feet early Monday afternoon. It will fall again and remain below flood stage. - Flood stage is 26.0 feet.

Flood Warning issued June 5 at 10:41PM CDT until June 6 at 8:00AM CDT by NWS Topeka KS

* WHAT...Flooding caused by previous rounds of excessive rainfall continues. * WHERE...A portion of northeast Kansas, including the following county, Jefferson. * WHEN...Until 800 AM CDT Saturday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 1039 PM CDT, flooding along the Delaware River was ongoing. - Some locations that will experience flooding include... Valley Falls and Ozawkie.

Flood Watch issued June 5 at 9:39PM CDT until June 6 at 7:00AM CDT by NWS Kansas City/Pleasant Hill MO

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northeast Kansas, including the following areas, Atchison KS and Doniphan and Missouri, including the following areas, Andrew, Atchison MO, Buchanan, Daviess, De Kalb, Gentry, Grundy, Harrison, Holt, Mercer, Nodaway, Putnam, Sullivan and Worth. * WHEN...Until 7 AM CDT Saturday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Additional rounds of heavy rainfall are expected across far northern and northwestern Missouri and extreme northeastern Kansas. - http://www.weather.gov/safety/flood

Flood Warning issued June 5 at 8:44PM CDT until June 7 at 9:34AM CDT by NWS Kansas City/Pleasant Hill MO

...The Flood Warning is extended for the following rivers in Kansas...Missouri... Missouri River at St Joseph affecting Doniphan, Andrew and Buchanan Counties. ...The Flood Warning continues for the following rivers in Missouri... Missouri River at Napoleon affecting Ray, Lafayette and Jackson Counties. Missouri River at Waverly affecting Saline, Carroll and Lafayette Counties. Missouri River At Miami affecting Saline, Chariton and Carroll Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Missouri River at St Joseph. * WHEN...Until late Sunday morning. * IMPACTS...At 17.0 feet, Lowland flooding upstream and downstream from St. Joseph occurs. At 19.0 feet, Backwater from the Missouri River floods property along the Nodaway river at Nodaway, Missouri. At 21.0 feet, Riverfront Park in St. Joseph begins to flood. * ADDITIONAL DETAILS... - At 8:00 PM CDT Friday the stage was 19.5 feet. - Forecast...The river is expected to fall below flood stage Saturday afternoon and continue falling to 8.7 feet Wednesday evening. - Flood stage is 17.0 feet. - http://www.weather.gov/safety/flood

Flood Warning issued June 5 at 8:27PM CDT until June 8 at 3:24AM CDT by NWS Topeka KS

...The Flood Warning is extended for the following rivers in Kansas... Salt Creek near Ada affecting Ottawa County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Salt Creek near Ada. * WHEN...Until early Monday morning. * IMPACTS...At 18.0 feet, Minor low land flooding along the Salt Creek. * ADDITIONAL DETAILS... - At 7:45 PM CDT Friday the stage was 19.4 feet. - Forecast...The river is expected to rise to a crest of 19.5 feet just after midnight tonight. It will then fall below flood stage Sunday afternoon. - Flood stage is 18.0 feet.

Flood Warning issued June 5 at 8:25PM CDT until June 6 at 8:41PM CDT by NWS Topeka KS

...The Flood Warning is extended for the following rivers in Kansas... Mill Creek at Washington affecting Washington County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Mill Creek at Washington. * WHEN...Until tomorrow evening. * IMPACTS...At 18.0 feet, Low lands along the creek flood from Morrowville to Washington flood. At 19.0 feet, Osage Road, located 2 miles west and 1 mile north of Washington, floods. * ADDITIONAL DETAILS... - At 7:45 PM CDT Friday the stage was 22.8 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 3.0 feet Wednesday evening. - Flood stage is 18.0 feet.

Flood Warning issued June 5 at 6:38PM CDT until June 6 at 7:00AM CDT by NWS Kansas City/Pleasant Hill MO

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Portions of northeast Kansas, including the following counties, Atchison and Doniphan and Missouri, including the following counties, Andrew, Buchanan, Daviess, DeKalb, Gentry and Holt. * WHEN...Until 700 AM CDT Saturday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 636 PM CDT, the transportation department reported flooding in the warned area. Several roads are closed in the warning area and are expected to remain so for several more hours. - Some locations that will experience flooding include... St. Joseph, Atchison, Savannah, Gallatin, Wathena, Elwood, Mound City, Maysville, Highland, Troy, Country Club Villa, Country Club, King City, Oregon, Agency, Jamesport, Union Star, Gilman City, Pattonsburg and Amazonia. - http://www.weather.gov/safety/flood