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Shadehill Reservoir is a reservoir located in South Dakota. The water surface spans about 5,000 acres, making it a mid-sized body of water. Fish documented in the area include Walleye, Smallmouth Bass, Common Carp, and Green Sunfish. It reaches a maximum depth of roughly 62 feet at an elevation of about 2,272 feet. The page brings together an hourly and 7-day forecast, wind and gust outlook, water readings, fishing conditions, and activity scores for boating, paddling, and swimming. LakeRadar pulls readings from a mapped water gauge, so current water data is shown when the station reports. Use the conditions and forecast on this page to decide when to go boating, fishing, or paddling at Shadehill Reservoir.
Updated
No active alerts for this lake as of the last check (Oct 11, 1:50 PM MDT). Alerts are re-checked automatically; see the official source for updates.
Overall Good (77/100) across 4 activities. Best right now: Sailing (88/100).
How the score is calculated →Best good fishing window, averaging 84/100 across these hours. Wind 13 mph from the northwest. Dusk hours (18:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 51° | 51° | 51° | 51° | 51° | 49° | 48° | 46° | 45° | 45° | 44° | 44° | 43° | 43° | 43° | 42° | 42° | 40° | 40° | 42° | 45° | 47° | 48° | 49° |
| Wind (kts) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 5 |
| Direction | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | E | E | E | E | E | E | E | E | E | E | NE | N | N |
| Gusts (kts) | 20 | 21 | 21 | 22 | 23 | 21 | 20 | 18 | 16 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 11 | 13 | 13 | 14 |
| Precip % | 15% | 16% | 15% | 10% | 11% | 15% | 15% | 30% | 30% | 39% | 39% | 38% | 38% | 42% | 42% | 37% | 37% | 44% | 44% | 44% | 24% | 24% | 24% | 31% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 1 PM MDT | 51°F | 12 mph NE (45°) | 23 mph | 15% | 94% | Slight Chance Rain Showers |
| Sun, 2 PM MDT | 51°F | 12 mph NE (45°) | 24 mph | 16% | 94% | Slight Chance Rain Showers |
| Sun, 3 PM MDT | 51°F | 12 mph NE (45°) | 24 mph | 15% | 93% | Slight Chance Rain Showers |
| Sun, 4 PM MDT | 51°F | 12 mph NE (45°) | 25 mph | 10% | 92% | Cloudy |
| Sun, 5 PM MDT | 51°F | 12 mph NE (45°) | 27 mph | 11% | 93% | Cloudy |
| Sun, 6 PM MDT | 49°F | 12 mph NE (45°) | 24 mph | 15% | 94% | Slight Chance Rain Showers |
| Sun, 7 PM MDT | 48°F | 12 mph NE (45°) | 23 mph | 15% | 96% | Slight Chance Rain Showers |
| Sun, 8 PM MDT | 46°F | 10 mph NE (45°) | 21 mph | 30% | 97% | Chance Rain Showers |
| Sun, 9 PM MDT | 45°F | 9 mph NE (45°) | 18 mph | 30% | 95% | Chance Rain Showers |
| Sun, 10 PM MDT | 45°F | 9 mph NE (45°) | 16 mph | 39% | 95% | Chance Rain Showers |
| Sun, 11 PM MDT | 44°F | 9 mph NE (45°) | 16 mph | 39% | 96% | Chance Rain Showers |
| Mon, 12 AM MDT | 44°F | 9 mph E (90°) | 16 mph | 38% | 97% | Chance Rain Showers |
| Mon, 1 AM MDT | 43°F | 9 mph E (90°) | 16 mph | 38% | 98% | Chance Rain Showers |
| Mon, 2 AM MDT | 43°F | 9 mph E (90°) | 16 mph | 42% | 98% | Chance Rain Showers |
| Mon, 3 AM MDT | 43°F | 8 mph E (90°) | 16 mph | 42% | 98% | Chance Rain Showers |
| Mon, 4 AM MDT | 42°F | 8 mph E (90°) | 16 mph | 37% | 98% | Chance Rain Showers |
| Mon, 5 AM MDT | 42°F | 7 mph E (90°) | 16 mph | 37% | 98% | Chance Rain Showers |
| Mon, 6 AM MDT | 40°F | 6 mph E (90°) | 16 mph | 44% | 98% | Chance Rain Showers |
| Mon, 7 AM MDT | 40°F | 6 mph E (90°) | 15 mph | 44% | 98% | Chance Rain Showers |
| Mon, 8 AM MDT | 42°F | 5 mph E (90°) | 14 mph | 44% | 98% | Chance Rain Showers |
| Mon, 9 AM MDT | 45°F | 5 mph E (90°) | 13 mph | 24% | 98% | Patchy Fog |
| Mon, 10 AM MDT | 47°F | 5 mph NE (45°) | 15 mph | 24% | 98% | Patchy Fog |
| Mon, 11 AM MDT | 48°F | 5 mph N (0°) | 15 mph | 24% | 98% | Patchy Fog |
| Mon, 12 PM MDT | 49°F | 6 mph N (0°) | 16 mph | 31% | 98% | Chance Rain Showers |
| Mon, 1 PM MDT | 51°F | 8 mph NW (315°) | 17 mph | 31% | 97% | Chance Rain Showers |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | This Afternoon October 11, 2026 | Tonight October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 | Saturday Night October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 52° | 39° | 52° | 35° | 52° | 34° | 59° | 37° | 60° | 31° | 56° | 32° | 68° | 42° |
| Wind | NE 12 mph | NE 7 to 12 mph | N 5 to 13 mph | NW 2 to 13 mph | NW 0 to 3 mph | NW 2 mph | NE 0 to 3 mph | S 2 mph | W 2 to 31 mph | NW 8 to 31 mph | W 6 to 9 mph | S 5 to 8 mph | S 6 to 10 mph | SW 6 mph |
| Gusts | 27 mph | 24 mph | 25 mph | 25 mph | 13 mph | 8 mph | 13 mph | 8 mph | 44 mph | 46 mph | 21 mph | 21 mph | 22 mph | 15 mph |
| Precip % | 16% | 42% | 44% | 7% | 14% | 5% | 7% | 35% | 12% | 5% | 1% | 1% | 0% | 0% |
| Forecast |
No active USGS or USACE telemetry gauge is currently mapped to Shadehill Reservoir. Not available from a verified source for this lake.
Fair for fishing (73/100), from 5 available inputs. Supporting this: Wind 12 mph from the northeast. 15% chance of precipitation. Not available from a verified source for this lake: pressure trend, water temperature. Confidence is moderate (74%) because some inputs are unavailable or older than ideal.
Good for boating (77/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 12 mph from the northeast. Not available from a verified source for this lake: visibility and conditions, verified water access. Confidence is moderate (84%) because some inputs are unavailable or older than ideal.
Good for sailing (88/100), from 4 available inputs. Supporting this: Wind 12 mph from the NE is in the preferred sailing range. No active official alerts for this lake. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Good for kayaking (75/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Wind 12 mph from the northeast. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of SD Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Shadehill Reservoir provides vital open-water recreation for visitors across SD, offering public boat ramps and scenic shoreline amenities. Anglers target an assortment of freshwater species while pleasure boaters cruise its open basins. Facility operations and resource conservation are overseen by state and local natural resource agencies.
Valid freshwater sport fishing license issued by South Dakota Game, Fish and Parks (SDGFP) is required for anglers age 16+. Digital license on mobile is accepted.
Current motorized watercraft registration mandatory. Practice Clean, Drain & Dry protocols: drain all livewells and inspect props before launching. Life jackets required for all passengers.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include Walleye, Smallmouth Bass, Common Carp, Green Sunfish. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
Northern cold winter conditions with freezing air temperatures and potential surface ice formation. Ramps and water systems may be winterized. Confirm open status before visiting.
No external source rows are cited by the data currently shown on this page.
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for Shadehill Reservoir is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 1:50 PM MDT