St. Louis, Missouri
Regional Weather Alerts
| Alert: | Flood Watch |
| Area(s): | Bourbon; Benton; Morgan; Vernon; St. Clair |
| Effective: | 2026-04-01 @ 10:59 am -> 2026-04-02 @ 1:00 pm |
| Onset: | 2026-04-01 @ 7:00 pm -> 2026-04-02 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Springfield MO on 2026-04-01 @ 10:59 am |
| Headline: | Flood Watch issued April 1 at 10:59AM CDT until April 2 at 1:00PM CDT by NWS Springfield MO |
| Description: |
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of southeast Kansas, including the following area, Bourbon and Missouri, including the following areas, Benton, Morgan, St. Clair and Vernon. * WHEN...From 7 PM CDT this evening through Thursday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Widespread rainfall amounts of 1-2 inches with localized amounts of 3-5 inches can be expected overnight into Thursday morning. - http://www.weather.gov/safety/flood |
| Alert: | Flood Watch |
| Area(s): | Miami; Linn; Leavenworth; Wyandotte; Johnson; Adair; Clinton; Caldwell; Livingston; Linn; Macon; Platte; Clay; Ray; Carroll; Chariton; Randolph; Jackson; Lafayette; Saline; Howard; Cass; Johnson; Pettis; Cooper; Bates; Henry |
| Effective: | 2026-04-01 @ 10:55 am -> 2026-04-02 @ 1:00 pm |
| Onset: | 2026-04-01 @ 7:00 pm -> 2026-04-02 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-04-01 @ 10:55 am |
| Headline: | Flood Watch issued April 1 at 10:55AM CDT until April 2 at 1:00PM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of Kansas, including the following areas, Johnson KS, Leavenworth, Linn KS, Miami and Wyandotte and Missouri, including the following areas, Adair, Bates, Caldwell, Carroll, Cass, Chariton, Clay, Clinton, Cooper, Henry, Howard, Jackson, Johnson MO, Lafayette, Linn MO, Livingston, Macon, Pettis, Platte, Randolph, Ray and Saline. * WHEN...From 7 PM CDT this evening through Thursday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Cooper, MO |
| Effective: | 2026-04-01 @ 10:06 am -> 2026-04-03 @ 2:20 pm |
| Onset: | 2026-04-02 @ 1:00 pm -> 2026-04-02 @ 10:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-04-01 @ 10:06 am |
| Headline: | Flood Warning issued April 1 at 10:06AM CDT until April 3 at 2:20PM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
...The National Weather Service in Pleasant Hill MO has issued a Flood Warning for the following rivers in Missouri... Big Creek at Blairstown affecting Johnson, Cass and Henry Counties. Blackwater River at Valley City affecting Johnson and Pettis Counties. Lamine River near Otterville affecting Cooper County. Petite Saline Creek near Boonville affecting Cooper County. .Thunderstorms producing moderate to heavy rainfall are expected to overspread the region tonight. The forecast rainfall amounts for the next 24 hours are incorporated into these river forecasts. * WHAT...Minor flooding is forecast. * WHERE...Petite Saline Creek near Boonville. * WHEN...From Thursday afternoon to early Friday afternoon. * IMPACTS...At 16.0 feet, Low lying woodlands and fields near the creek flood. * ADDITIONAL DETAILS... - At 9:30 AM CDT Wednesday the stage was 6.5 feet. - Forecast...The river is expected to rise above flood stage early tomorrow afternoon to a crest of 17.3 feet tomorrow evening. It will then fall below flood stage early Friday morning. - Flood stage is 16.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Johnson, MO; Pettis, MO |
| Effective: | 2026-04-01 @ 10:06 am -> 2026-04-03 @ 10:13 pm |
| Onset: | 2026-04-02 @ 11:12 am -> 2026-04-02 @ 10:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-04-01 @ 10:06 am |
| Headline: | Flood Warning issued April 1 at 10:06AM CDT until April 3 at 10:13PM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
...The National Weather Service in Pleasant Hill MO has issued a Flood Warning for the following rivers in Missouri... Big Creek at Blairstown affecting Johnson, Cass and Henry Counties. Blackwater River at Valley City affecting Johnson and Pettis Counties. Lamine River near Otterville affecting Cooper County. Petite Saline Creek near Boonville affecting Cooper County. .Thunderstorms producing moderate to heavy rainfall are expected to overspread the region tonight. The forecast rainfall amounts for the next 24 hours are incorporated into these river forecasts. * WHAT...Minor flooding is forecast. * WHERE...Blackwater River at Valley City. * WHEN...From Thursday morning to late Friday evening. * IMPACTS...At 22.0 feet, Woodlands and farm fields along the river begin to flood. At 25.0 feet, County Highway E near Valley City and Highway 23 near the Perry State Wildlife Area are under water. * ADDITIONAL DETAILS... - At 9:00 AM CDT Wednesday the stage was 3.1 feet. - Forecast...The river is expected to rise to a crest of 23.5 feet tomorrow evening. It will then fall below flood stage late tomorrow evening. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Cooper, MO |
| Effective: | 2026-04-01 @ 10:06 am -> 2026-04-04 @ 7:31 am |
| Onset: | 2026-04-02 @ 9:06 am -> 2026-04-02 @ 10:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-04-01 @ 10:06 am |
| Headline: | Flood Warning issued April 1 at 10:06AM CDT until April 4 at 7:31AM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
...The National Weather Service in Pleasant Hill MO has issued a Flood Warning for the following rivers in Missouri... Big Creek at Blairstown affecting Johnson, Cass and Henry Counties. Blackwater River at Valley City affecting Johnson and Pettis Counties. Lamine River near Otterville affecting Cooper County. Petite Saline Creek near Boonville affecting Cooper County. .Thunderstorms producing moderate to heavy rainfall are expected to overspread the region tonight. The forecast rainfall amounts for the next 24 hours are incorporated into these river forecasts. * WHAT...Minor flooding is forecast. * WHERE...Lamine River near Otterville. * WHEN...From Thursday morning to Saturday morning. * IMPACTS...At 15.0 feet, Low lying woodlands and fields along the river flood. At 18.0 feet, Some gravel roads upstream and downstream from Otterville are under water. In addition State Highway 135 may be overtopped by flood waters 2 miles north of Clifton City. * ADDITIONAL DETAILS... - At 9:15 AM CDT Wednesday the stage was 3.1 feet. - Forecast...The river is expected to rise above flood stage late tomorrow morning to a crest of 17.9 feet tomorrow evening. It will then fall below flood stage Friday morning. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Cass, MO; Henry, MO; Johnson, MO |
| Effective: | 2026-04-01 @ 10:06 am -> 2026-04-04 @ 4:14 pm |
| Onset: | 2026-04-02 @ 1:15 am -> 2026-04-02 @ 10:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-04-01 @ 10:06 am |
| Headline: | Flood Warning issued April 1 at 10:06AM CDT until April 4 at 4:14PM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
...The National Weather Service in Pleasant Hill MO has issued a Flood Warning for the following rivers in Missouri... Big Creek at Blairstown affecting Johnson, Cass and Henry Counties. Blackwater River at Valley City affecting Johnson and Pettis Counties. Lamine River near Otterville affecting Cooper County. Petite Saline Creek near Boonville affecting Cooper County. .Thunderstorms producing moderate to heavy rainfall are expected to overspread the region tonight. The forecast rainfall amounts for the next 24 hours are incorporated into these river forecasts. * WHAT...Minor flooding is forecast. * WHERE...Big Creek at Blairstown. * WHEN...From late tonight to Saturday afternoon. * IMPACTS...At 20.0 feet, The west bank of the creek begins to flood. At 23.0 feet, Flooding occurs at the west approach to the N Highway bridge located 0.2 miles west of Blairstown. Flooding also occurs across B Highway near Big Creek which is several miles northwest of Blairstown. * ADDITIONAL DETAILS... - At 9:00 AM CDT Wednesday the stage was 10.4 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 22.7 feet early tomorrow afternoon. It will then fall below flood stage Friday afternoon. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Watch |
| Area(s): | Vernon |
| Effective: | 2026-04-01 @ 9:58 am -> 2026-04-04 @ 1:00 am |
| Onset: | 2026-04-03 @ 1:00 am -> 2026-04-02 @ 9:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Springfield MO on 2026-04-01 @ 9:58 am |
| Headline: | Flood Watch issued April 1 at 9:58AM CDT until April 4 at 1:00AM CDT by NWS Springfield MO |
| Description: |
...The National Weather Service in Springfield MO has issued a Flood Watch for the following rivers in Missouri... Marmaton River near Nevada affecting Vernon County. For the Marmaton River...including Fort Scott, Nevada...flooding is possible. * WHAT...Flooding is possible. * WHERE...Marmaton River near Nevada. * WHEN...From late Thursday night to early Saturday morning. * IMPACTS...At 20.0 feet, minor flooding occurs near the gage site and affects low lying areas along the river. * ADDITIONAL DETAILS... - At 8:45 AM CDT Wednesday the stage was 2.8 feet. - Forecast...Flood stage may be reached early Friday morning. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Watch |
| Area(s): | Vernon |
| Effective: | 2026-04-01 @ 9:52 am -> 2026-04-04 @ 5:00 pm |
| Onset: | 2026-04-03 @ 7:00 am -> 2026-04-02 @ 10:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Springfield MO on 2026-04-01 @ 9:52 am |
| Headline: | Flood Watch issued April 1 at 9:52AM CDT until April 4 at 5:00PM CDT by NWS Springfield MO |
| Description: |
...The National Weather Service in Springfield MO has issued a Flood Watch for the following rivers in Missouri... Little Osage River near Horton affecting Vernon County. For the Little Osage River...including Fulton, Horton...flooding is possible. * WHAT...Flooding is possible. * WHERE...Little Osage River near Horton. * WHEN...From Friday morning to Saturday afternoon. * IMPACTS...At 41.0 feet, minor flooding affects low lying areas near the gage site and farmland along the river. * ADDITIONAL DETAILS... - At 8:45 AM CDT Wednesday the stage was 28.0 feet. - Forecast...Flood stage may be reached Friday morning. - Flood stage is 41.0 feet. - http://www.weather.gov/safety/flood |