Big River at Irondale, MO
USGS 07017200 · Missouri · reports discharge (live), gauge height
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USGS 07017200 · Missouri · reports discharge (live), gauge height
What the agencies suggest
Carry a pocket thermometer to monitor water temperatureNational Park Service
General guidance from the readings and the published lines named above, not a fishing forecast. Local rules and closures come first.
Reading Nov 5, 8:15 PM CST · provisional USGS data
Normal for Nov 5 Falling · 24 h
Discharge, last 7 days: 169 readings from Oct 29, 9:30 PM CDT to Nov 5, 8:15 PM CST; ranging 9.72 to 44.3 ft³/s; latest 17.7 ft³/s; shaded band: typical range (25th–75th percentile) for each date.
USGS provisional data may be revised. Source: USGS instantaneous values.
| Time | Discharge (ft³/s) | Gauge height (ft) | Normal, 25th–75th (ft³/s) |
|---|---|---|---|
| Nov 5, 8:15 PM CST | 17.7 | 0.61 | 16–136 |
| Nov 5, 7:15 PM CST | 17.7 | 0.61 | 16–136 |
| Nov 5, 6:15 PM CST | 18.2 | 0.62 | 16–136 |
| Nov 5, 5:15 PM CST | 18.8 | 0.63 | 16–136 |
| Nov 5, 4:15 PM CST | 19.3 | 0.64 | 16–136 |
| Nov 5, 3:15 PM CST | 19.3 | 0.64 | 16–136 |
| Nov 5, 2:15 PM CST | 19.9 | 0.65 | 16–136 |
| Nov 5, 1:15 PM CST | 20.5 | 0.66 | 16–136 |
| Nov 5, 12:15 PM CST | 20.5 | 0.66 | 16–136 |
| Nov 5, 11:15 AM CST | 21.1 | 0.67 | 16–136 |
| Nov 5, 10:15 AM CST | 21.7 | 0.68 | 16–136 |
| Nov 5, 9:15 AM CST | 22.3 | 0.69 | 16–136 |
| Nov 5, 8:15 AM CST | 22.3 | 0.69 | 16–136 |
| Nov 5, 7:15 AM CST | 22.9 | 0.7 | 16–136 |
| Nov 5, 6:15 AM CST | 23.5 | 0.71 | 16–136 |
| Nov 5, 5:15 AM CST | 24.1 | 0.72 | 16–136 |
| Nov 5, 4:15 AM CST | 24.7 | 0.73 | 16–136 |
| Nov 5, 3:15 AM CST | 25.3 | 0.74 | 16–136 |
| Nov 5, 2:15 AM CST | 26 | 0.75 | 16–136 |
| Nov 5, 1:15 AM CST | 26.6 | 0.76 | 16–136 |
| Nov 5, 12:15 AM CST | 27.2 | 0.77 | 16–136 |
| Nov 4, 11:15 PM CST | 27.9 | 0.78 | 16–121 |
| Nov 4, 10:15 PM CST | 29.2 | 0.8 | 16–121 |
| Nov 4, 9:15 PM CST | 29.9 | 0.81 | 16–121 |
| Nov 4, 8:15 PM CST | 30.6 | 0.82 | 16–121 |
| Nov 4, 7:15 PM CST | 32 | 0.84 | 16–121 |
| Nov 4, 6:15 PM CST | 32.7 | 0.85 | 16–121 |
| Nov 4, 5:15 PM CST | 34.1 | 0.87 | 16–121 |
| Nov 4, 4:15 PM CST | 34.9 | 0.88 | 16–121 |
| Nov 4, 3:15 PM CST | 35.6 | 0.89 | 16–121 |
| Nov 4, 2:15 PM CST | 37.1 | 0.91 | 16–121 |
| Nov 4, 1:15 PM CST | 37.9 | 0.92 | 16–121 |
| Nov 4, 12:15 PM CST | 39.4 | 0.94 | 16–121 |
| Nov 4, 11:15 AM CST | 41 | 0.96 | 16–121 |
| Nov 4, 10:15 AM CST | 41.8 | 0.97 | 16–121 |
| Nov 4, 9:15 AM CST | 43.5 | 0.99 | 16–121 |
| Nov 4, 8:15 AM CST | 44.3 | 1 | 16–121 |
| Nov 4, 7:15 AM CST | 42.6 | 0.98 | 16–121 |
| Nov 4, 6:15 AM CST | 40.2 | 0.95 | 16–121 |
| Nov 4, 5:15 AM CST | 37.9 | 0.92 | 16–121 |
| Nov 4, 4:15 AM CST | 35.6 | 0.89 | 16–121 |
| Nov 4, 3:15 AM CST | 32 | 0.84 | 16–121 |
| Nov 4, 2:15 AM CST | 29.2 | 0.8 | 16–121 |
| Nov 4, 1:15 AM CST | 25.3 | 0.74 | 16–121 |
| Nov 4, 12:15 AM CST | 23.5 | 0.71 | 16–121 |
| Nov 3, 11:15 PM CST | 22.3 | 0.69 | 15–62 |
| Nov 3, 10:15 PM CST | 21.1 | 0.67 | 15–62 |
| Nov 3, 9:15 PM CST | 20.5 | 0.66 | 15–62 |
| Nov 3, 8:15 PM CST | 19.9 | 0.65 | 15–62 |
| Nov 3, 7:15 PM CST | 18.8 | 0.63 | 15–62 |
| Nov 3, 6:15 PM CST | 18.8 | 0.63 | 15–62 |
| Nov 3, 5:15 PM CST | 18.8 | 0.63 | 15–62 |
| Nov 3, 4:15 PM CST | 18.8 | 0.63 | 15–62 |
| Nov 3, 3:15 PM CST | 15.6 | 0.57 | 15–62 |
| Nov 3, 2:15 PM CST | 14.1 | 0.54 | 15–62 |
| Nov 3, 1:15 PM CST | 12.7 | 0.51 | 15–62 |
| Nov 3, 12:15 PM CST | 12.7 | 0.51 | 15–62 |
| Nov 3, 11:15 AM CST | 12.2 | 0.5 | 15–62 |
| Nov 3, 10:15 AM CST | 11.4 | 0.48 | 15–62 |
| Nov 3, 9:15 AM CST | 10.9 | 0.47 | 15–62 |
| Nov 3, 8:15 AM CST | 10.9 | 0.47 | 15–62 |
| Nov 3, 7:15 AM CST | 11.4 | 0.48 | 15–62 |
| Nov 3, 6:15 AM CST | 11.4 | 0.48 | 15–62 |
| Nov 3, 5:15 AM CST | 10.9 | 0.47 | 15–62 |
| Nov 3, 4:15 AM CST | 10.9 | 0.47 | 15–62 |
| Nov 3, 3:15 AM CST | 10.9 | 0.47 | 15–62 |
| Nov 3, 2:15 AM CST | 10.5 | 0.46 | 15–62 |
| Nov 3, 1:15 AM CST | 10.5 | 0.46 | 15–62 |
| Nov 3, 12:15 AM CST | 10.9 | 0.47 | 15–62 |
| Nov 2, 11:15 PM CST | 10.9 | 0.47 | 15–74 |
| Nov 2, 10:15 PM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 9:15 PM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 8:15 PM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 7:15 PM CST | 10.9 | 0.47 | 15–74 |
| Nov 2, 6:15 PM CST | 10.9 | 0.47 | 15–74 |
| Nov 2, 5:15 PM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 4:15 PM CST | 10.9 | 0.47 | 15–74 |
| Nov 2, 3:15 PM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 2:15 PM CST | 10.9 | 0.47 | 15–74 |
| Nov 2, 1:15 PM CST | 10.9 | 0.47 | 15–74 |
| Nov 2, 12:15 PM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 11:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 10:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 9:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 8:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 7:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 6:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 5:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 4:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 3:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 2:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 1:15 AM CST | 11.4 | 0.48 | 15–74 |
| Nov 2, 12:15 AM CST | 10.9 | 0.47 | 15–74 |
| Nov 1, 11:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 10:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 9:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 8:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 7:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 6:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 5:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 4:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 3:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 2:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 1:15 PM CST | 10.9 | 0.47 | 16–85 |
| Nov 1, 12:15 PM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 11:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 10:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 9:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 8:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 7:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 6:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 5:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 4:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 3:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 2:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 1:15 AM CST | 11.4 | 0.48 | 16–85 |
| Nov 1, 1:15 AM CDT | 11.4 | 0.48 | 16–85 |
| Nov 1, 12:15 AM CDT | 11.4 | 0.48 | 16–85 |
| Oct 31, 11:15 PM CDT | 10.9 | 0.47 | 16–70 |
| Oct 31, 10:15 PM CDT | 10.9 | 0.47 | 16–70 |
| Oct 31, 9:15 PM CDT | 10.9 | 0.47 | 16–70 |
| Oct 31, 8:15 PM CDT | 10.9 | 0.47 | 16–70 |
| Oct 31, 7:15 PM CDT | 10.9 | 0.47 | 16–70 |
| Oct 31, 6:15 PM CDT | 10.5 | 0.46 | 16–70 |
| Oct 31, 5:15 PM CDT | 10.5 | 0.46 | 16–70 |
| Oct 31, 4:15 PM CDT | 10.5 | 0.46 | 16–70 |
| Oct 31, 3:15 PM CDT | 10.5 | 0.46 | 16–70 |
| Oct 31, 2:15 PM CDT | 10.5 | 0.46 | 16–70 |
| Oct 31, 1:15 PM CDT | 10.5 | 0.46 | 16–70 |
| Oct 31, 12:15 PM CDT | 10.1 | 0.45 | 16–70 |
| Oct 31, 11:15 AM CDT | 10.1 | 0.45 | 16–70 |
| Oct 31, 10:15 AM CDT | 10.1 | 0.45 | 16–70 |
| Oct 31, 9:15 AM CDT | 9.72 | 0.44 | 16–70 |
| Oct 31, 8:15 AM CDT | 9.72 | 0.44 | 16–70 |
| Oct 31, 7:15 AM CDT | 10.1 | 0.45 | 16–70 |
| Oct 31, 6:15 AM CDT | 10.1 | 0.45 | 16–70 |
| Oct 31, 5:15 AM CDT | 10.1 | 0.45 | 16–70 |
| Oct 31, 4:15 AM CDT | 10.1 | 0.45 | 16–70 |
| Oct 31, 3:15 AM CDT | 10.1 | 0.45 | 16–70 |
| Oct 31, 2:15 AM CDT | 10.1 | 0.45 | 16–70 |
| Oct 31, 1:15 AM CDT | 10.1 | 0.45 | 16–70 |
| Oct 31, 12:15 AM CDT | 10.1 | 0.45 | 16–70 |
| Oct 30, 11:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 10:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 9:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 8:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 7:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 6:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 5:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 4:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 3:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 2:15 PM CDT | 10.5 | 0.46 | 14–52 |
| Oct 30, 1:15 PM CDT | 10.5 | 0.46 | 14–52 |
| Oct 30, 12:15 PM CDT | 10.5 | 0.46 | 14–52 |
| Oct 30, 11:15 AM CDT | 10.5 | 0.46 | 14–52 |
| Oct 30, 10:15 AM CDT | 10.5 | 0.46 | 14–52 |
| Oct 30, 9:15 AM CDT | 10.5 | 0.46 | 14–52 |
| Oct 30, 8:15 AM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 7:15 AM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 6:15 AM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 5:15 AM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 4:15 AM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 3:15 AM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 2:15 AM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 1:15 AM CDT | 10.1 | 0.45 | 14–52 |
| Oct 30, 12:15 AM CDT | 10.1 | 0.45 | 14–52 |
| Oct 29, 11:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 29, 10:15 PM CDT | 10.1 | 0.45 | 14–52 |
| Oct 29, 9:30 PM CDT | 10.1 | 0.45 | 14–52 |
Map of USGS gauge 07017200 and the river around it
Where Big River at Irondale, MO sits and our water's map point.
No current water-temperature reading at this gauge, so no temperature guidance is given. Take a stream thermometer. Missouri Department of Conservation publishes no water-temperature line for trout anglers that we found. The lines below are the National Park Service's, federal guidance, not a Missouri rule, with Missouri Department of Conservation's own figure added: 68°F and 70°F.
This gauge is on our page for Big River, but no agency page we read lists its species.
Normal for Nov 5: 16–136 ft³/s (middle half of 60 years of record). Now: 17.7 ft³/s, normal.
Normal for this date. 17.7 ft³/s is between the 25th and 75th percentiles of daily mean flow for Nov 5 at this gauge over 60 years of record (1966–2026): 10th 11, 25th 16, median 37, 75th 136, 90th 346 ft³/s.
Daily means on record for Nov 5: lowest 7.7 ft³/s, highest 6,390 ft³/s.
Classes as USGS labels them (hyswap: flow categories (WDFN_stats schema) (U.S. Geological Survey) ); percentiles from the USGS daily statistics (U.S. Geological Survey) (approved daily means; the reading is provisional and instantaneous).
Falling over 24 hours: discharge down 42.2%, from 30.6 to 17.7 ft³/s. Rising or falling means a change of more than 10% in discharge (or 0.2 ft of gauge height) over 24 hours; our rule of thumb, not a USGS class.
Turn Around Don't Drown. “A mere 6 inches of fast-moving flood water can knock over an adult.” No flow number makes a crossing safe; if in doubt, stay out.
Turn Around Don't Drown (National Weather Service)Guidance from the readings above and the published thresholds named with each line; not a fishing forecast, a safety guarantee or a statement about access. Local rules and closures come first.
NWS observed 0.61 ft stage, 33 ft³/s at Nov 5, 8:15 PM CST (NWS gauge IRNM7; its stage datum can differ from the USGS gauge height).
NWS has not set flood categories for this gauge.
Forecasts are not available. Only observed stages are available for this point.
Open the NWS gauge page · What the categories mean (National Weather Service)
Checked Nov 5, 9:19 PM CST; readings refresh at most every 15 minutes and statistics daily. Provisional USGS data can be revised. Conditions change: re-check before you go. This is general guidance, not a fishing forecast, a safety guarantee or a statement about access.