Flood Watch
2026-08-15T10:00:00-05:00

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...For Highway 30 counties and areas south to the Missouri border in central Iowa. * WHEN...Through Saturday morning. * 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. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Several rounds of rain have brought 2 to 6 inches of rain to central Iowa this week. Additional rainfall is forecast later tonight into Saturday morning. The combination of saturated soils and high rainfall rates may overwhelm capacity, which will increase flooding potential.

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Iowa

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Flood Watch
Until 2026-08-15T10:00:00-05:00 • National Weather Service
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...For Highway 30 counties and areas south to the Missouri border in central Iowa. * WHEN...Through Saturday morning. * 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. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Several rounds of rain have brought 2 to 6 inches of rain to central Iowa this week. Additional rainfall is forecast later tonight into Saturday morning. The combination of saturated soils and high rainfall rates may overwhelm capacity, which will increase flooding potential.

DES MOINES RIVER AT 2ND AVENUE, DES MOINES, IA

Realtime Data • Report • Conditions

1,800

Discharge (cfs)

15.7

Gauge Height (ft)

USGS 05482000

Streamflow discharge was last observed at 1,800 cfs, and a gauge height of 15.70 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 1,312 .

Weather today, Tomorrow,

The river is fed by tributaries such as the Raccoon River and the Boone River, and is affected by the Saylorville Dam upstream. Seasonal trends show the highest flows occurring in the spring due to snowmelt and precipitation, while low flows are seen in late summer and fall. Interesting facts about the Des Moines River include its designation as a State Water Trail and the presence of several parks and recreation areas along its banks. Overall, the Des Moines River at 2nd Avenue, IA streamgauge is a valuable resource for monitoring and understanding the hydrology of the Des Moines River system.

August 14, 2026

Elevation	808.0 ft
Last Updated
Gage height, ft	15.7 ft
Nitrate plus nitrite, water, in situ, mg/L as N	2.5 mg/l as N
Temperature, water, °C	0.0 deg C
Streamflow, ft³/s	1800.0 ft3/s
Percent of Normal	134%
Year Over Year Average	1,340 cfs
24hr Flow Prediction	cfs
Maximum Recorded	29,400 cfs
Geolocation	41.61, -93.62

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Des Moines River At 2nd Avenue, Des Moines, Ia Realtime Data

DES MOINES RIVER AT 2ND AVENUE, DES MOINES, IA

Realtime Data • Report • Conditions

1,800

Discharge (cfs)

15.7

Gauge Height (ft)

August 14, 2026

Seasonal Comparison

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Des Moines River At 2nd Avenue, Des Moines, Ia Realtime Data

DES MOINES RIVER AT 2ND AVENUE, DES MOINES, IA

Realtime Data • Report • Conditions

1,800

Discharge (cfs)

15.7

Gauge Height (ft)

August 14, 2026

Seasonal Comparison

Oceanic Nino Index

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