Station Name: Swan
Data Source: USGS

Elevation Above Sea Level: 722 feet

Nearest Address:
Beardsley Drive
Swan, IA 50237
Marion County

GPS Coordinates: 41.4894, -93.2783

Nearby Water Temperatures

Flood Warning issued June 11 at 7:36PM CDT until June 12 at 10:00AM CDT by NWS Des Moines IA

Effective: Thu June 11, 2026, 7:36 PM
Expires: Fri June 12, 2026, 10:00 AM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southern Marion County. * WHEN...Until 1000 AM CDT Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is occurring. * ADDITIONAL DETAILS... - At 735 PM CDT, Emergency management reported road closures due to heavy rain. Between 2 and 5 inches of rain have fallen. - Some locations that will experience flooding include... Knoxville, Melcher-Dallas, Bussey, Hamilton, Marysville and Knoxville Municipal Airport.

Be especially cautious at night when it is harder to recognize the dangers of flooding. For the latest stream observations and forecasts refer to weather.gov/desmoines/water. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flood Warning issued June 11 at 9:07AM CDT until June 12 at 9:15AM CDT by NWS Des Moines IA

Effective: Thu June 11, 2026, 9:07 AM
Expires: Fri June 12, 2026, 5:15 AM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Iowa, including the following counties, Appanoose, Lucas, Monroe and Wayne. * WHEN...Until 915 AM CDT Friday. * IMPACTS...Numerous roads have been closed due to flooding especially across the southwest half of Monroe County. Streams continue to rise due to excess runoff from earlier rainfall. * ADDITIONAL DETAILS... - At 906 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 3 and 6 inches of rain have fallen. - Some locations that will experience flooding include... Chariton, Albia, Eddyville, Rathbun Lake, Lake Sundown, Moravia, Russell, Lovilia, Williamson, Melrose, Unionville, Millerton, Honey Creek State Park, Red Haw Lake State Park, Albia Municipal Airport and Chariton Municipal Airport.

For the latest stream observations and forecasts refer to weather.gov/desmoines/water. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flood Watch issued June 11 at 2:02PM CDT by NWS Des Moines IA

Effective: Thu June 11, 2026, 2:02 PM
Expires: Fri June 12, 2026, 10:15 AM

...The National Weather Service in Des Moines IA has issued a Flood Watch for the following rivers in Iowa... Thompson River at Davis City affecting Decatur County. ...The Flood Watch continues for the following rivers in Iowa... Missouri... East Fork 102 River at Bedford affecting Taylor and Nodaway counties. Chariton River near Chariton affecting Monroe, Appanoose, Wayne and Lucas Counties. * WHAT...Flooding is possible. * WHERE...The Chariton River near Chariton, or from Wolf Creek to Rathbun Reservoir. * WHEN...Until further notice. * IMPACTS...At 19.8 feet, Wate affects 450th St. * ADDITIONAL DETAILS... - At 1:45 PM CDT Thursday the stage was 18.7 feet. - Forecast...Rises on the river are possible over the next few days. The river may reach flood stage. - Flood stage is 19.5 feet.

If you are in the watch area, remain alert to possible flooding. For the latest stream observations and forecasts refer to weather.gov/desmoines/water. River forecasts include observed precipitation plus forecast precipitation over the next 24 hours.

Flood Warning issued June 11 at 10:14PM CDT until June 12 at 1:33PM CDT by NWS Des Moines IA

Effective: Thu June 11, 2026, 10:14 PM
Expires: Fri June 12, 2026, 1:45 PM

...The National Weather Service in Des Moines IA has issued a Flood Warning for the following rivers in Iowa... Chariton River near Chariton affecting Lucas, Appanoose, Wayne and Monroe Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...The Chariton River near Chariton, or from Wolf Creek to Rathbun Reservoir. * WHEN...From this evening to early tomorrow afternoon. * IMPACTS...At 19.8 feet, Water affects 450th St. * ADDITIONAL DETAILS... - At 9:45 PM CDT Thursday the stage was 19.9 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 6.2 feet Tuesday evening. - Flood stage is 19.5 feet.

Be especially cautious at night when it is harder to recognize the dangers of flooding. For the latest stream observations and forecasts refer to weather.gov/desmoines/water. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. River forecasts include observed precipitation plus forecast precipitation over the next 24 hours.

Flood Warning issued June 11 at 7:38PM CDT until June 12 at 9:15AM CDT by NWS Des Moines IA

Effective: Thu June 11, 2026, 7:38 PM
Expires: Fri June 12, 2026, 9:15 AM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Appanoose, Lucas, Monroe, and Wayne counties. * WHEN...Until 915 AM CDT Friday. * IMPACTS...Numerous roads remain closed due to flooding. Streams continue to rise due to excess runoff from earlier rainfall. * ADDITIONAL DETAILS... - At 737 PM CDT, Doppler radar indicated slow moving thunderstorms with very heavy rainfall across the warned area. Between 3 and 6 inches of rain have fallen. - Some locations that will experience flooding include... Chariton, Albia, Eddyville, Rathbun Lake, Lake Sundown, Moravia, Russell, Lovilia, Williamson, Melrose, Unionville, Millerton, Honey Creek State Park, Red Haw Lake State Park, Albia Municipal Airport and Chariton Municipal Airport.

For the latest stream observations and forecasts refer to weather.gov/desmoines/water. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.