* WHAT...Heat index values up to 105 expected.
* WHERE...All of Central Iowa.
* WHEN...From noon to 8 PM CDT Monday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Heat Advisory
Until 2026-07-19T23:00:00-05:00
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National Weather Service
* WHAT...Heat index values up to 105 expected.
* WHERE...All of Central Iowa.
* WHEN...From noon to 8 PM CDT Monday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
SOUTH FORK CHARITON RIVER NEAR PROMISE CITY, IA
Realtime Data
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Report
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Conditions
3
Discharge (cfs)
3.0
Gauge Height (ft)
Streamflow discharge was last observed at 3 cfs, and a gauge height of 2.98 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 5 .
Weather today, Tomorrow,
The main flow providers or constituents are precipitation and groundwater. The river is not significantly impacted by dams or tributaries. In terms of seasonal trends, the river typically experiences higher flow rates in the spring due to snowmelt and rain, and lower flow rates in the summer and fall. The hydrology of the river is not particularly quirky or interesting, but it is an important source of water for local communities and wildlife. College students studying hydrology or environmental science may find this information useful for research or fieldwork.