Spearfish Creek
Black Hills · Spearfish Canyon
Lawrence County, South Dakota, USA
Open live forecast →Target species: Brown, Rainbow, and Brook.
Stream gauge: 06431500. Flow and water temperature update on every refresh.
Weekly AI Outlook as of 10/02/26
Spearfish Creek is running 39 cfs — the low end of fall's typical range — meaning gin-clear water through the canyon and visible fish in every pool. That clarity is a double-edged sword: browns are in pre-spawn mode and aggressive, but they'll scrutinize every presentation. BWO hatches are the headline bug in October, and with highs forecast in the low-to-mid 70s and zero precip, expect emergence to concentrate in the midday window when air temps peak and light angles flatten — roughly 11am–2pm. No fresh shop intel available; this outlook is built on conditions alone. Streamers in olive or black fished deep through the canyon pools at first light and again in late afternoon are the play for larger pre-spawn browns. When the hatch fires midday, drop down to a BWO Sparkle Dun or RS2 in #18–20 and fish it with slack-line casts to rising fish. Soft hackles swung on the tail of the hatch are worth having rigged as a backup.
- Flow: 39 cfs — low and clear. Exceptional visibility demands longer leaders, finer tippet, and precise wading. Every pool is readable.
- Hatches: BWO (Baetis) #18–20 is the primary hatch. Look for emergence midday 11am–2pm on overcast windows. RS2 and Sparkle Dun are the go-to dry patterns.
- Water Temp: Typical October range 46–54°F — right in the BWO and pre-spawn brown trout sweet spot. Caddis threshold near but likely secondary this week.
- Best Window: Streamers at first light and late afternoon for aggressive browns. Midday 11am–2pm for BWO dry fly action when cloud cover assists emergence.
Generated weekly from live USGS gauge readings, weather forecasts, and recent fly shop reports. Updates Friday mornings.
About this Water
- Freestone
- Best months: Apr–Oct; peak May–June (caddis, Hendrickson) and Sept–Oct (BWO, pre-spawn)
Spearfish Creek flows through the dramatic Spearfish Canyon in the Black Hills of South Dakota — a 22-mile limestone canyon with sheer 1,000-foot walls of white and pink limestone through which the crystal-clear spring-influenced creek flows. The canyon is one of the most visually spectacular settings for fly fishing anywhere in the northern Great Plains. Wild brown and rainbow trout are abundant throughout the canyon section. The combination of dramatic scenery, accessible wading, and consistent dry fly hatches make Spearfish Creek worth visiting for any angler passing through the Black Hills.
Spearfish Canyon was used as a filming location for the 1990 movie 'Dances with Wolves' — the canyon's dramatic limestone walls, waterfalls, and clear creek are among the most cinematic natural settings in the Great Plains.
January Outlook
Spearfish Creek in the Black Hills of South Dakota offers surprising winter fishing in a spectacular limestone canyon. Wild brown and rainbow trout hold in the deeper pools and remain catchable during mild spells between cold fronts.
Productive Patterns
- Zebra Midge
- RS2
- Mysis Shrimp
- San Juan Worm
Tips
Winter on Spearfish Creek requires picking mild days between winter storms. The canyon walls provide some shelter from wind. The spring-influenced flows rarely freeze completely. Midday fishing is most productive when temperatures are above 35°F.
Water Notes
Spring-fed flows 40–150 cfs. Water 38–45°F. Rarely ices over thanks to limestone springs. Black Hills roads can be hazardous after snowfall.
February Outlook
February brings the occasional warm spell that can trigger early midge and even small BWO activity on Spearfish Creek. The canyon is often snow-covered and stunningly beautiful. Brown trout hold in the warmest spring seeps.
Productive Patterns
- Zebra Midge
- WD-40
- RS2
- Soft Hackle Midge
Tips
Pick days when temperatures climb above 40°F and overcast skies hold. The limestone canyon section from Savoy to the mouth is most productive in winter. Look for trout stacked in pools below spring inputs where water is a degree or two warmer.
Water Notes
40–120 cfs. Water 40–46°F. Stable limestone-influenced flows. Check road conditions before driving into the canyon.
March Outlook
March marks the early stirring of hatches on Spearfish Creek. Early midges and occasional small BWOs emerge on warm afternoons in the canyon. The first rising trout of the year are a welcome sight in this Black Hills gem.
Productive Patterns
- Midge Dry #22-24
- BWO Sparkle Dun
- RS2
- Elk Hair Caddis (small)
Tips
March conditions vary widely — watch for warming trends that bring afternoon hatches. The canyon section below Savoy is most sheltered. Wild browns and rainbows begin moving from winter holding lies to feeding lanes. Fish rise sporadically by late March.
Water Notes
60–200 cfs. Water 42–50°F. Early spring with possible runoff from snowmelt. The creek runs clear most of March.
April Outlook
Spearfish Creek in the Black Hills of South Dakota is one of the Northern Plains' finest wild trout streams. Wild brown and rainbow trout in a limestone canyon setting that looks more like Montana than the Midwest.
Productive Patterns
- Blue Winged Olive
- Hendrickson
- Elk Hair Caddis
- Soft Hackle
Tips
Spearfish Creek flows through Spearfish Canyon — one of the Black Hills' most scenic areas. The canyon section from Spearfish Canyon Lodge downstream is the prime water. Wild fish in clear limestone-influenced water.
Water Notes
Spring-fed flows 50–300 cfs. Water 46–54°F year-round. Black Hills limestone geology provides excellent thermal stability.
May Outlook
Prime season on Spearfish Creek. Caddis and Sulphur hatches begin in May on this beautiful Black Hills limestone stream.
Productive Patterns
- Elk Hair Caddis
- Sulphur Dry
- PMD
- March Brown
Tips
May is Spearfish Creek's finest month. The canyon's spring wildflowers are spectacular. Wild brown trout to 18 inches in crystal-clear water. Approach carefully — the fish are spooky in the clear limestone water.
Water Notes
80–300 cfs. Water 50–58°F. Excellent spring conditions.
June Outlook
Caddis and Yellow Sally season on Spearfish Creek. The Black Hills canyon setting is one of the Northern Plains' most beautiful fishing environments.
Productive Patterns
- Elk Hair Caddis
- Yellow Sally
- PMD Sparkle Dun
- Sulphur Dry
Tips
The canyon walls keep water shaded and relatively cool through June. The evening caddis hatch is excellent. Spearfish Canyon Scenic Byway provides easy vehicle access to multiple wade access points.
Water Notes
60–250 cfs. Water 52–60°F. Beautiful Black Hills canyon conditions.
July Outlook
Summer on Spearfish Creek means terrestrials and evening caddis in the canyon. The Black Hills location keeps temperatures more moderate than lowland streams. Wild trout stack in shaded pools and riffles during midday heat.
Productive Patterns
- Elk Hair Caddis
- Hopper
- Ant (foam)
- Yellow Sally
Tips
Fish early mornings and evenings in July. Midday heat pushes trout deep. The canyon section has continuous shade from the walls which helps. Terrestrials like ants and hoppers blown off the canyon walls produce well.
Water Notes
40–150 cfs. Water 58–66°F. Summer low water. Fish the cooler morning hours.
August Outlook
August terrestrial season on Spearfish Creek. Grasshoppers and beetles from the canyon rims bring trout up for big surface takes. The creek is at its summer low but the spring influence keeps temperatures fishable.
Productive Patterns
- Hopper (foam)
- Beetle
- Ant
- Elk Hair Caddis (evening)
Tips
August on Spearfish Creek means terrestrials. Fish near the canyon walls where hoppers and beetles blow off the rim. The evening caddis hatch remains productive. Avoid midday when water temps approach the upper range.
Water Notes
30–120 cfs. Water 60–68°F. Summer low water. Fish mornings and evenings. Spring seeps maintain cool pockets.
September Outlook
Excellent fall fishing on Spearfish Creek with BWO hatches in a spectacular fall foliage setting.
Productive Patterns
- Blue Winged Olive
- Elk Hair Caddis
- Mahogany Dun
- Streamer
Tips
Fall in Spearfish Canyon is one of the Northern Plains' most beautiful experiences. The limestone canyon turns gold and orange. BWO hatches are reliable on overcast afternoons. Brown trout become aggressive before spawning.
Water Notes
50–200 cfs. Cooling 48–56°F. Outstanding fall Black Hills canyon conditions.
October Outlook
October is brown trout season on Spearfish Creek. The spawning-aggression period brings larger fish into the canyon section. BWO hatches continue and the fall foliage peaks in the limestone canyon.
Productive Patterns
- Streamer (olive/black)
- BWO
- Soft Hackle
- Copper John
Tips
Pre-spawn brown trout are aggressive and territorial in October. Fish the deeper pools with streamers in the early morning and late afternoon. BWO hatches on overcast afternoons can bring exceptional dry fly action. This is the best month for big fish.
Water Notes
60–250 cfs. Water 46–54°F. Ideal fall temperatures. The canyon's October colors are spectacular.
November Outlook
November brings the tail end of the brown trout spawn and transitioning to winter nymphing on Spearfish Creek. The canyon is quiet and the fishing can be very good before winter sets in.
Productive Patterns
- Midge Pupa
- Copper John
- Hare's Ear
- Zebra Midge
Tips
November fishing on Spearfish Creek is underrated. Post-spawn brown trout feed aggressively to rebuild energy. Nymphing the deeper pools and runs produces consistent fish. Watch for early snowfall and ice in the canyon.
Water Notes
50–200 cfs. Water 40–48°F. Early winter conditions. Ice formation begins by late November in shaded canyon sections.
December Outlook
December winter fishing on Spearfish Creek for the dedicated angler. The canyon is covered in snow and ice but the spring-influenced flows remain open. Midges and red larvae patterns are the go-to for deep nymphing.
Productive Patterns
- Zebra Midge
- RS2
- Midge Larva (red)
- Soft Hackle Midge
Tips
Dress warmly and pick midday windows on mild days. The canyon section from Spearfish Canyon Lodge to the mouth holds fish year-round. Access is straightforward from Highway 14A. A quiet, beautiful winter experience.
Water Notes
40–150 cfs. Water 38–44°F. Winter conditions. Some ice along margins. Spring influence keeps main channel open.
Hatch Calendar
| Insect | Peak | Active | Size | Productive Patterns |
|---|---|---|---|---|
| Caddis Brachycentrus / Hydropsyche spp. |
Jun, Jul | May, Jun, Jul, Aug, Sep | #14–16 |
|
| Blue Winged Olive Baetis spp. |
May, Sep | Apr, May, Jun, Sep, Oct | #18–20 |
|
| Pale Morning Dun Ephemerella inermis |
Jul | Jun, Jul, Aug | #16–18 |
|
| Hoppers Acrididae / Tettigoniidae |
Aug | Jul, Aug, Sep | #10–12 |
|
Access & Approach
Spearfish, SD (just off I-90, exit 10). Spearfish Canyon Road (US 14A) provides access throughout the canyon — multiple roadside pullouts. South Dakota fishing license required. Roughlock Falls picnic area is an excellent starting point for exploration.
Nearby Fly Shops
- Black Hills Fly Fishing
- Fly Fish SD
Regulations & License
Fishing in South Dakota requires a current license. Always verify season dates, bag limits, and any special-regulation waters before you fish.
South Dakota fishing regulations & license →
About Current
Spearfish Creek conditions on Current combine real-time flow data (USGS, WSC, CDEC, CEHQ), weather, tide predictions, hatch probabilities calibrated to this specific water, and recent fly shop reports from the area.
Spearfish Creek is one of 245 hand-curated waters in Current. The app and web forecast also generate AI outlooks for any unlisted river, lake, or saltwater flat anywhere in the world — drop a pin or paste a name and Current produces a fresh seasonal outlook with weather, flow context, and recommended techniques.
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