Heat Advisory
2026-09-02T19:00:00-05:00

* WHAT...Heat index values up to 100-103 degrees. * WHERE...Portions of central and south central Iowa, including the Des Moines metro. * WHEN...From 1 PM this afternoon to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or limited relief during the overnight periods with warm lows have prompted the multi-day Heat Advisory.

Realtime Data

Iowa

South Raccoon River

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Heat Advisory
Until 2026-08-31T13:00:00-05:00 • National Weather Service
* WHAT...Heat index values up to 100-103 degrees. * WHERE...Portions of central and south central Iowa, including the Des Moines metro. * WHEN...From 1 PM this afternoon to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or limited relief during the overnight periods with warm lows have prompted the multi-day Heat Advisory.

SOUTH RACCOON RIVER AT REDFIELD, IA

Realtime Data • Report • Conditions

109

Discharge (cfs)

2.3

Gauge Height (ft)

USGS 05484000

Streamflow discharge was last observed at 109 cfs, and a gauge height of 2.30 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 131 .

Weather today, Tomorrow,

The river has several tributaries, including the Middle Raccoon River and North Raccoon River, and several dams along its path. The flow rate of the South Raccoon River is generally highest in the spring and lowest in the fall, with occasional flash floods occurring during heavy rainfall. The hydrology of the river is unique due to its proximity to the Raccoon River Valley Trail, a popular recreational trail that runs alongside the river.

August 31, 2026

Elevation	917.0 ft
Last Updated
Gage height, ft	2.3 ft
Nitrate plus nitrite, water, in situ, mg/L as N	2.5 mg/l as N
Streamflow, ft³/s	109.0 ft3/s
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detector angles at 90 ±2.5° and 0-45°, ratiometric, FBRU	0.3 FBRU
Phosphorus, water, unfiltered, mg/L as phosphorus	0.00771 mg/l as P
Temperature, water, °C	0.0 deg C
Percent of Normal	61%
Year Over Year Average	179 cfs
24hr Flow Prediction	cfs
Maximum Recorded	27,900 cfs

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South Raccoon River At Redfield, Ia Realtime Data

SOUTH RACCOON RIVER AT REDFIELD, IA

Realtime Data • Report • Conditions

109

Discharge (cfs)

2.3

Gauge Height (ft)

August 31, 2026

Seasonal Comparison

Oceanic Nino Index

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South Raccoon River At Redfield, Ia Realtime Data

SOUTH RACCOON RIVER AT REDFIELD, IA

Realtime Data • Report • Conditions

109

Discharge (cfs)

2.3

Gauge Height (ft)

August 31, 2026

Seasonal Comparison

Oceanic Nino Index

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