RAPID CREEK ABOVE CANYON LAKE NEAR RAPID CITY, SD
USGS 06412500 · South Dakota · reports discharge (live), gauge height
Reading RAPID CREEK ABOVE CANYON LAKE NEAR RAPID CITY, SD…
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USGS 06412500 · South Dakota · 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, 8:25 PM MST · provisional USGS data
Below normal for Nov 5 Steady · 24 h Below NWS action stage
Discharge, last 7 days: 185 readings from Oct 29, 9:35 PM MDT to Nov 5, 8:25 PM MST; ranging 8.7 to 11.3 ft³/s; latest 9.39 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, 8:25 PM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 7:30 PM MST | 9.04 | 1.61 | 9.5–32 |
| Nov 5, 6:35 PM MST | 9.04 | 1.61 | 9.5–32 |
| Nov 5, 5:40 PM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 4:45 PM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 3:50 PM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 2:55 PM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 2:00 PM MST | 9.75 | 1.63 | 9.5–32 |
| Nov 5, 1:05 PM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 12:10 PM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 11:15 AM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 10:20 AM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 9:25 AM MST | 9.04 | 1.61 | 9.5–32 |
| Nov 5, 8:30 AM MST | 9.04 | 1.61 | 9.5–32 |
| Nov 5, 7:35 AM MST | 9.04 | 1.61 | 9.5–32 |
| Nov 5, 6:40 AM MST | 9.04 | 1.61 | 9.5–32 |
| Nov 5, 5:45 AM MST | 9.04 | 1.61 | 9.5–32 |
| Nov 5, 4:50 AM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 3:55 AM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 3:00 AM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 2:05 AM MST | 9.04 | 1.61 | 9.5–32 |
| Nov 5, 1:10 AM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 5, 12:15 AM MST | 9.39 | 1.62 | 9.5–32 |
| Nov 4, 11:20 PM MST | 9.39 | 1.62 | 10–32 |
| Nov 4, 10:25 PM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 9:30 PM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 8:35 PM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 7:40 PM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 6:45 PM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 5:50 PM MST | 9.39 | 1.62 | 10–32 |
| Nov 4, 4:55 PM MST | 9.39 | 1.62 | 10–32 |
| Nov 4, 4:00 PM MST | 9.39 | 1.62 | 10–32 |
| Nov 4, 3:05 PM MST | 9.39 | 1.62 | 10–32 |
| Nov 4, 2:10 PM MST | 9.39 | 1.62 | 10–32 |
| Nov 4, 1:15 PM MST | 9.39 | 1.62 | 10–32 |
| Nov 4, 12:20 PM MST | 9.39 | 1.62 | 10–32 |
| Nov 4, 11:25 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 10:30 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 9:35 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 8:40 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 7:45 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 6:50 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 5:55 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 5:00 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 4:05 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 3:10 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 2:15 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 1:20 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 4, 12:25 AM MST | 9.04 | 1.61 | 10–32 |
| Nov 3, 11:30 PM MST | 9.04 | 1.61 | 9.4–31 |
| Nov 3, 10:35 PM MST | 9.04 | 1.61 | 9.4–31 |
| Nov 3, 9:40 PM MST | 9.04 | 1.61 | 9.4–31 |
| Nov 3, 8:45 PM MST | 9.04 | 1.61 | 9.4–31 |
| Nov 3, 7:50 PM MST | 9.04 | 1.61 | 9.4–31 |
| Nov 3, 6:55 PM MST | 9.04 | 1.61 | 9.4–31 |
| Nov 3, 6:00 PM MST | 9.04 | 1.61 | 9.4–31 |
| Nov 3, 5:05 PM MST | 9.04 | 1.61 | 9.4–31 |
| Nov 3, 4:10 PM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 3:15 PM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 2:20 PM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 1:25 PM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 12:30 PM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 11:35 AM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 10:40 AM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 9:45 AM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 8:50 AM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 7:55 AM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 7:00 AM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 6:05 AM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 5:10 AM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 4:15 AM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 3:20 AM MST | 9.39 | 1.62 | 9.4–31 |
| Nov 3, 2:25 AM MST | 9.75 | 1.63 | 9.4–31 |
| Nov 3, 1:30 AM MST | 9.75 | 1.63 | 9.4–31 |
| Nov 3, 12:35 AM MST | 9.75 | 1.63 | 9.4–31 |
| Nov 2, 11:40 PM MST | 9.75 | 1.63 | 9.8–33 |
| Nov 2, 10:45 PM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 9:50 PM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 8:55 PM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 8:00 PM MST | 10.5 | 1.65 | 9.8–33 |
| Nov 2, 7:05 PM MST | 10.5 | 1.65 | 9.8–33 |
| Nov 2, 6:10 PM MST | 10.5 | 1.65 | 9.8–33 |
| Nov 2, 5:15 PM MST | 10.5 | 1.65 | 9.8–33 |
| Nov 2, 4:20 PM MST | 10.5 | 1.65 | 9.8–33 |
| Nov 2, 3:25 PM MST | 10.5 | 1.65 | 9.8–33 |
| Nov 2, 2:30 PM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 1:35 PM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 12:40 PM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 11:45 AM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 10:50 AM MST | 10.5 | 1.65 | 9.8–33 |
| Nov 2, 9:55 AM MST | 10.5 | 1.65 | 9.8–33 |
| Nov 2, 9:00 AM MST | 10.5 | 1.65 | 9.8–33 |
| Nov 2, 8:05 AM MST | 10.5 | 1.65 | 9.8–33 |
| Nov 2, 7:10 AM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 6:15 AM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 5:20 AM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 4:25 AM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 3:30 AM MST | 10.1 | 1.64 | 9.8–33 |
| Nov 2, 2:35 AM MST | 9.39 | 1.62 | 9.8–33 |
| Nov 2, 1:40 AM MST | 9.39 | 1.62 | 9.8–33 |
| Nov 2, 12:45 AM MST | 9.39 | 1.62 | 9.8–33 |
| Nov 1, 11:50 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 10:55 PM MST | 9.39 | 1.62 | 9.8–34 |
| Nov 1, 10:00 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 9:05 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 8:10 PM MST | 9.39 | 1.62 | 9.8–34 |
| Nov 1, 7:15 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 6:20 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 5:25 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 4:30 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 3:35 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 2:40 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 1:45 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 12:50 PM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 11:55 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 11:00 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 10:05 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 9:10 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 8:15 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 7:20 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 6:25 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 5:30 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 4:35 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 3:40 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 2:45 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 1:50 AM MST | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 1:55 AM MDT | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 1:00 AM MDT | 9.04 | 1.61 | 9.8–34 |
| Nov 1, 12:05 AM MDT | 9.04 | 1.61 | 9.8–34 |
| Oct 31, 11:10 PM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 10:15 PM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 9:20 PM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 8:25 PM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 7:30 PM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 6:35 PM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 5:40 PM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 4:45 PM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 3:50 PM MDT | 9.39 | 1.62 | 10–33 |
| Oct 31, 2:55 PM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 2:00 PM MDT | 9.39 | 1.62 | 10–33 |
| Oct 31, 1:05 PM MDT | 9.39 | 1.62 | 10–33 |
| Oct 31, 12:10 PM MDT | 9.39 | 1.62 | 10–33 |
| Oct 31, 11:15 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 10:20 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 9:25 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 8:30 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 7:35 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 6:40 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 5:45 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 4:50 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 3:55 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 3:00 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 2:05 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 1:10 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 31, 12:15 AM MDT | 9.04 | 1.61 | 10–33 |
| Oct 30, 11:20 PM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 10:25 PM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 9:30 PM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 8:35 PM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 7:40 PM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 6:45 PM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 5:50 PM MDT | 9.39 | 1.62 | 9.4–33 |
| Oct 30, 4:55 PM MDT | 9.39 | 1.62 | 9.4–33 |
| Oct 30, 4:00 PM MDT | 9.39 | 1.62 | 9.4–33 |
| Oct 30, 3:05 PM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 2:10 PM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 1:15 PM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 12:20 PM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 11:25 AM MDT | 8.7 | 1.6 | 9.4–33 |
| Oct 30, 10:30 AM MDT | 8.7 | 1.6 | 9.4–33 |
| Oct 30, 9:35 AM MDT | 8.7 | 1.6 | 9.4–33 |
| Oct 30, 8:40 AM MDT | 8.7 | 1.6 | 9.4–33 |
| Oct 30, 7:45 AM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 6:50 AM MDT | 9.75 | 1.63 | 9.4–33 |
| Oct 30, 5:55 AM MDT | 10.5 | 1.65 | 9.4–33 |
| Oct 30, 5:00 AM MDT | 11.3 | 1.67 | 9.4–33 |
| Oct 30, 4:05 AM MDT | 9.75 | 1.63 | 9.4–33 |
| Oct 30, 3:10 AM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 2:15 AM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 1:20 AM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 30, 12:25 AM MDT | 9.04 | 1.61 | 9.4–33 |
| Oct 29, 11:30 PM MDT | 9.04 | 1.61 | 10–34 |
| Oct 29, 10:35 PM MDT | 9.04 | 1.61 | 10–34 |
| Oct 29, 9:40 PM MDT | 9.04 | 1.61 | 10–34 |
| Oct 29, 9:35 PM MDT | 9.04 | 1.61 | 10–34 |
Map of USGS gauge 06412500 and the river around it
Where RAPID CREEK ABOVE CANYON LAKE NEAR RAPID CITY, SD sits, with 8 other gauges on the same river and our water's map point.
Normal for Nov 5: 9.5–32 ft³/s (middle half of 63 years of record). Now: 9.39 ft³/s, below normal.
Below normal for this date. 9.39 ft³/s is between the 10th and 25th percentiles of daily mean flow for Nov 5 at this gauge over 63 years of record (1964–2026): 10th 6, 25th 9.5, median 18, 75th 32, 90th 54 ft³/s.
Daily means on record for Nov 5: lowest 1.4 ft³/s, highest 94 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).
Steady over 24 hours (+3.9% discharge). 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.
No current water-temperature reading at this gauge, so no temperature guidance is given. Take a stream thermometer. South Dakota Game, Fish and Parks publishes no water-temperature line for trout anglers that we found. The lines below are the National Park Service's, federal guidance, not a South Dakota rule: 68°F.
This gauge is on our page for Rapid Creek, but no agency page we read lists its species.
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
Flood categories: action stage, minor, moderate and major flooding (National Weather Service)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.
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
NWS observed 1.62 ft stage, 11 ft³/s at Nov 5, 8:25 PM MST (NWS gauge CYNS2; its stage datum can differ from the USGS gauge height).
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, 9:30 PM MST; 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.