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

Flash Flood Warning issued June 6 at 1:21AM CDT until June 6 at 4:45AM CDT by NWS Des Moines IA

Effective: Sat June 6, 2026, 1:21 AM
Expires: Sat June 6, 2026, 4:45 AM

At 121 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 5 inches of rain have fallen. Additional rainfall amounts up to 0.5 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Pleasantville, Lake Red Rock, Hartford, Swan and Sandyville.

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.

Flash Flood Warning issued June 6 at 1:21AM CDT until June 6 at 5:45AM CDT by NWS Des Moines IA

Effective: Sat June 6, 2026, 1:21 AM
Expires: Sat June 6, 2026, 5:45 AM

At 121 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 5 inches of rain have fallen. Additional rainfall amounts up to 0.5 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Pella, Knoxville, Melcher-Dallas, Knoxville Raceway, Lake Red Rock, Harvey, Knoxville Municipal Airport, Elk Rock State Park and Pella 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.

Severe Thunderstorm Watch issued June 6 at 1:11AM CDT until June 6 at 3:00AM CDT by NWS Des Moines IA

Effective: Sat June 6, 2026, 1:11 AM
Expires: Sat June 6, 2026, 3:00 AM

SEVERE THUNDERSTORM WATCH 276 REMAINS VALID UNTIL 3 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 15 COUNTIES IN CENTRAL IOWA JASPER POWESHIEK IN SOUTH CENTRAL IOWA APPANOOSE CLARKE DECATUR LUCAS MAHASKA MARION MONROE RINGGOLD WARREN WAYNE IN SOUTHEAST IOWA DAVIS WAPELLO IN SOUTHWEST IOWA TAYLOR THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, BEDFORD, BLOOMFIELD, CARLISLE, CENTERVILLE, CHARITON, CORYDON, GRINNELL, HUMESTON, INDIANOLA, KNOXVILLE, LAMONI, LENOX, LEON, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PELLA, AND SEYMOUR. * PRIMARY THREATS INCLUDE... SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE. SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE. A TORNADO OR TWO POSSIBLE.

Flood Watch issued June 5 at 10:31PM CDT until June 6 at 7:00AM CDT by NWS Des Moines IA

Effective: Fri June 5, 2026, 10:31 PM
Expires: Sat June 6, 2026, 7:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southern Iowa. * 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... - Slow moving storms with heavy rainfall may lead to localized flash flooding.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued June 5 at 12:43PM CDT until June 6 at 7:00AM CDT by NWS Des Moines IA

Effective: Fri June 5, 2026, 12:43 PM
Expires: Sat June 6, 2026, 12:45 AM

A Flood Watch is in effect from 7 PM through 7 AM Saturday for southern Iowa, as confidence is increasing in thunderstorms and additional heavy rainfall tonight. This could lead to flooding, as soil moisture percentiles are at or above the 70th percentile for this time of year, which indicates soils predisposed to increased runoff from additional heavy rain tonight. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of south central and southwest Iowa, including the following counties, in south central Iowa, Appanoose, Clarke, Decatur, Lucas, Ringgold, Union and Wayne. In southwest Iowa, Adams and Taylor. * WHEN...From 7 PM CDT this evening through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Soils are moist, and additional heavy rainfall is possible overnight. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.