USGS Streamgage 13079300
Cassia Creek below Blacksmith Creek, ID
Cassia Creek below Blacksmith Creek, ID is USGS streamgage 13079300 in Idaho, monitoring river discharge in hydrologic subbasin 17040210. Discharge records at this site go back to 2020. Typical flow runs near 13.5 cfs in July and 42.1 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Idaho
- Subbasin (HUC-8)
- 17040210
- Coordinates
- 42.27767, -113.49634
- USGS site number
- 13079300
- Records begin
- 2020-08-25 (6 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Cassia Creek below Blacksmith Creek, ID. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 3.4 | 3.8 | 4.2 | ||
| 3.2 | 3.7 | 4.4 | ||
| 3.1 | 3.7 | 4.5 | ||
| 3 | 3.7 | 4.7 | ||
| 3 | 3.7 | 4.8 | ||
| 2.9 | 3.7 | 4.9 | ||
| 2.9 | 3.8 | 5 | ||
| 2.9 | 3.7 | 5.1 | ||
| 2.8 | 3.7 | 5.1 | ||
| 2.8 | 3.7 | 5.2 | ||
| 2.7 | 3.7 | 5.2 | ||
| 2.7 | 3.6 | 5.2 | ||
| 2.6 | 3.6 | 5.2 | ||
| 2.6 | 3.6 | 5.2 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 6 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | — | 13.1 | — | |
| February | — | 15.2 | — | |
| March | — | 26 | — | |
| April | — | 42.1 | — | |
| May | — | 49.7 | — | |
| June | — | 51.2 | — | |
| July | — | 13.5 | — | |
| August | — | 8.4 | — | |
| September | — | 6.4 | — | |
| October | — | 6.7 | — | |
| November | — | 9.9 | — | |
| December | — | 12.3 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Cassia Creek below Blacksmith Creek, ID normally run highest?
- June, on the long-term record. The median daily flow that month is about 51.2 cfs, against 6.4 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Cassia Creek below Blacksmith Creek, ID been measured?
- Discharge records at USGS site 13079300 begin in 2020, about 6 years, covering roughly 2,173 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Cassia Creek below Blacksmith Creek, ID?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is Cassia Creek below Blacksmith Creek, ID?
- The gauge sits at 42.27767, -113.49634, in Idaho, in hydrologic subbasin 17040210.
- Can I use Cassia Creek below Blacksmith Creek, ID data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.