North Fork Salt Creek water temperature
North Fork Salt Creek, De Witt, Illinois · River
The current water temperature at North Fork Salt Creek is 21.9 °C (as of September 21, 2026, source: USGS).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
Measurement series & statistics
This measurement series includes 155 data points since July 23, 2026.
Lowest recorded value: 20.2 °C on August 25, 2026 · highest value: 27.6 °C on September 4, 2026.
In September, temperatures have ranged between 20.7 °C and 27.6 °C.
The current value is 2.6 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at North Fork Salt Creek right now?
The current water temperature is 21.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at North Fork Salt Creek?
Currently 21.9 °C (updated continuously).
How warm is at North Fork Salt Creek in September?
In September, the water temperature recently averaged 24.5 °C.
When is the water warmest at North Fork Salt Creek?
Across the measurement record, September is on average the warmest month (24.5 °C).
