Active Weather Alerts
River Flood Warning
Issued: 3:56 PM Jun. 30, 2025 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring. This approaches or exceeds the flood of record. * WHERE...Sixmile Creek near Brookings. * WHEN...Until further notice. * IMPACTS...At 1634.0 feet, Water approaches the intersection of 1st Ave and Harvey Dunn St in Brookings and may begin to flood. Agricultural flooding begins northeast of Brookings including leaving the right bank of the creek at the Highway 30 crossing. * ADDITIONAL DETAILS... - At 10:15 AM CDT Monday the stage was 1634.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:15 AM CDT Monday was 1635.1 feet. - Forecast...No forecast is available for this location. - Flood stage is 1634.0 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov && Fld Observed Forecasts (unknown time) Location Stg Stg Day/Time d1 d2 d3 Sixmile Creek Brookings 1634.0 1634.5 Mon 10 am MSG MSG MSG &&
River Flood Warning
Issued: 3:56 PM Jun. 30, 2025 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring. * WHERE...Big Sioux River near Bruce. * WHEN...Until further notice. * IMPACTS...At 9.5 feet, The right bank overflows flooding agricultural lands for as much as 1/4 mile. * ADDITIONAL DETAILS... - At 9:45 AM CDT Monday the stage was 9.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Monday was 9.1 feet. - Forecast...No forecast is available for this location. - Flood stage is 8.0 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov && Fld Observed Forecasts (unknown time) Location Stg Stg Day/Time d1 d2 d3 Big Sioux River Bruce 8.0 9.1 Mon 9 am MSG MSG MSG &&
River Flood Warning
Issued: 3:56 PM Jun. 30, 2025 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring. * WHERE...Medary Creek near Medary. * WHEN...Until further notice. * IMPACTS...At 1589.0 feet, moderate flooding of pasture and crop land begins, water is over the top of the culvert on 474th Avenue, 216th Street floods near 474th Avenue, and water reaches the bottom of the bridge on 475th Avenue. * ADDITIONAL DETAILS... - At 10:15 AM CDT Monday the stage was 1588.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:15 AM CDT Monday was 1588.8 feet. - Forecast...No forecast is available for this location. - Flood stage is 1588.0 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov && Fld Observed Forecasts (unknown time) Location Stg Stg Day/Time d1 d2 d3 Medary Creek Medary 1588.0 1588.8 Mon 10 am MSG MSG MSG &&
River Flood Warning
Issued: 3:56 PM Jun. 30, 2025 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate flooding is occurring. * WHERE...Big Sioux River near Estelline. * WHEN...Until further notice. * IMPACTS...At 1646.0 feet, water reaches the bottom of the bridge on 192nd Street. * ADDITIONAL DETAILS... - At 10:00 AM CDT Monday the stage was 1646.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Monday was 1647.0 feet. - Forecast...No forecast is available for this location. - Flood stage is 1644.0 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov && Fld Observed Forecasts (unknown time) Location Stg Stg Day/Time d1 d2 d3 Big Sioux River Estelline 1644.0 1646.9 Mon 10 am MSG MSG MSG &&
River Flood Warning
Issued: 3:56 PM Jun. 30, 2025 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY SATURDAY MORNING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Big Sioux River near Brookings. * WHEN...Until early Saturday morning. * IMPACTS...At 10.5 feet, 473rd Avenue north of the gauge begins to flood. * ADDITIONAL DETAILS... - At 9:45 AM CDT Monday the stage was 9.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Monday was 9.5 feet. - Forecast...The river is expected to rise to a crest around 10.4 feet early tomorrow afternoon. It will then fall below flood stage early Friday morning. - Flood stage is 9.0 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov && Fld Observed Forecasts (1 pm CDT) Location Stg Stg Day/Time Tue Wed Thu Big Sioux River Brookings 9.0 9.4 Mon 9 am 10.4 10.3 9.6 &&
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