Storm Lake water temperature
Storm Lake, Storm Lake, Iowa · Lake
The current water temperature at Storm Lake is 19.0 °C (as of September 21, 2026, source: USGS).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
Measurement series & statistics
This measurement series includes 99 data points since August 26, 2026.
Lowest recorded value: 19.0 °C on September 21, 2026 · highest value: 27.9 °C on September 5, 2026.
In September, temperatures have ranged between 19.0 °C and 27.9 °C.
The current value is 6.6 °C below the September average of this series.
Nearby waters
More measuring points: Storm Lake
Frequently asked questions
Can you swim at Storm Lake right now?
The current water temperature is 19.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Storm Lake?
Currently 19.0 °C (updated continuously).
How warm is at Storm Lake in September?
In September, the water temperature recently averaged 25.6 °C.
