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In Wyoming, Boysen Reservoir is a reservoir used for time on and around the water. Fish documented in the area include Walleye, Common Carp, Black Crappie, and Rainbow Trout. Its recorded surface area is approximately 19,560 acres. It reaches a maximum depth of roughly 117 feet at an elevation of about 4,725 feet. Water data on this page comes from a mapped monitoring station near the lake. Coverage here includes an hourly and 7-day forecast, wind and gust outlook, water readings, fishing conditions, and activity scores for boating, paddling, and swimming. If you are planning a trip, Ocean Lake are also nearby. This page combines the live forecast, wind, and conditions for Boysen Reservoir so you can plan a visit.
Updated
No active alerts for this lake as of the last check (Oct 10, 7:17 AM MDT). Alerts are re-checked automatically; see the official source for updates.
Overall Good (88/100) across 4 activities. Best right now: Sailing (98/100).
How the score is calculated →Best good fishing window, averaging 79/100 across these hours. Morning hours (08:00 local). 1% chance of precipitation. Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 59° | 58° | 59° | 62° | 66° | 70° | 72° | 73° | 75° | 73° | 72° | 70° | 66° | 65° | 64° | 62° | 60° | 59° | 56° | 55° | 53° | 52° | 49° | 48° |
| Wind (kts) | 11 | 14 | 14 | 14 | 15 | 17 | 18 | 18 | 16 | 18 | 18 | 13 | 11 | 10 | 8 | 8 | 11 | 12 | 16 | 20 | 21 | 22 | 21 | 19 |
| Direction | SE | SE | SE | S | S | SW | SW | SW | W | SW | SW | S | S | SE | SE | SE | SE | SE | NE | NE | NE | NE | NE | NE |
| Gusts (kts) | 14 | 18 | 18 | 18 | 20 | 23 | 25 | 25 | 25 | 26 | 26 | 20 | 17 | 15 | 13 | 13 | 16 | 18 | 21 | 24 | 25 | 25 | 23 | 21 |
| Precip % | 1% | 1% | 2% | 2% | 2% | 3% | 6% | 6% | 7% | 8% | 7% | 12% | 8% | 8% | 10% | 14% | 32% | 64% | 53% | 67% | 65% | 64% | 56% | 21% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sat, 7 AM MDT | 59°F | 13 mph SE (135°) | 16 mph | 1% | 46% | Mostly Sunny |
| Sat, 8 AM MDT | 58°F | 16 mph ESE (113°) | 21 mph | 1% | 42% | Mostly Sunny |
| Sat, 9 AM MDT | 59°F | 16 mph SE (135°) | 21 mph | 2% | 30% | Mostly Sunny |
| Sat, 10 AM MDT | 62°F | 16 mph SSE (158°) | 21 mph | 2% | 35% | Mostly Sunny |
| Sat, 11 AM MDT | 66°F | 17 mph S (180°) | 23 mph | 2% | 30% | Mostly Sunny |
| Sat, 12 PM MDT | 70°F | 20 mph SSW (203°) | 27 mph | 3% | 18% | Sunny |
| Sat, 1 PM MDT | 72°F | 21 mph SSW (203°) | 29 mph | 6% | 22% | Sunny |
| Sat, 2 PM MDT | 73°F | 21 mph SW (225°) | 29 mph | 6% | 23% | Sunny |
| Sat, 3 PM MDT | 75°F | 18 mph WSW (248°) | 29 mph | 7% | 55% | Partly Sunny |
| Sat, 4 PM MDT | 73°F | 21 mph SW (225°) | 30 mph | 8% | 39% | Mostly Sunny |
| Sat, 5 PM MDT | 72°F | 21 mph SSW (203°) | 30 mph | 7% | 39% | Mostly Sunny |
| Sat, 6 PM MDT | 70°F | 15 mph S (180°) | 23 mph | 12% | 39% | Partly Cloudy |
| Sat, 7 PM MDT | 66°F | 13 mph SSE (158°) | 20 mph | 8% | 41% | Partly Cloudy |
| Sat, 8 PM MDT | 65°F | 12 mph SE (135°) | 17 mph | 8% | 36% | Partly Cloudy |
| Sat, 9 PM MDT | 64°F | 9 mph SE (135°) | 15 mph | 10% | 44% | Partly Cloudy |
| Sat, 10 PM MDT | 62°F | 9 mph SE (135°) | 15 mph | 14% | 53% | Mostly Cloudy |
| Sat, 11 PM MDT | 60°F | 13 mph SE (135°) | 18 mph | 32% | 78% | Chance Rain Showers |
| Sun, 12 AM MDT | 59°F | 14 mph SE (135°) | 21 mph | 64% | 87% | Rain Showers Likely |
| Sun, 1 AM MDT | 56°F | 18 mph NE (45°) | 24 mph | 53% | 96% | Chance Rain Showers |
| Sun, 2 AM MDT | 55°F | 23 mph NNE (23°) | 28 mph | 67% | 98% | Rain Showers Likely |
| Sun, 3 AM MDT | 53°F | 24 mph NNE (23°) | 29 mph | 65% | 97% | Rain Showers Likely |
| Sun, 4 AM MDT | 52°F | 25 mph NNE (23°) | 29 mph | 64% | 95% | Rain Showers Likely |
| Sun, 5 AM MDT | 49°F | 24 mph NNE (23°) | 27 mph | 56% | 90% | Rain Showers Likely |
| Sun, 6 AM MDT | 48°F | 22 mph NNE (23°) | 24 mph | 21% | 94% | Slight Chance Rain Showers |
| Sun, 7 AM MDT | 46°F | 18 mph NNE (23°) | 21 mph | 23% | 98% | Slight 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 | Today October 10, 2026 | Tonight October 10, 2026 | Sunday October 11, 2026 | Sunday Night 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 76° | 44° | 53° | 38° | 54° | 38° | 57° | 39° | 54° | 38° | 54° | 35° | 57° | 38° |
| Wind | S 13 to 21 mph | ESE 9 to 25 mph | NNE 12 to 22 mph | NNE 13 to 28 mph | N 8 to 21 mph | NE 5 to 8 mph | NE 5 mph | N 12 mph | N 7 mph | NW 5 to 10 mph | N 10 mph | N 7 mph | N 5 mph | ESE 2 to 7 mph |
| Gusts | 30 mph | 29 mph | 24 mph | 33 mph | 23 mph | 14 mph | 12 mph | 16 mph | 12 mph | 13 mph | 15 mph | 10 mph | 8 mph | 5 mph |
| Precip % | 8% | 67% | 86% | 97% | 13% | 38% | 41% | 68% | 59% | 43% | 27% | 9% | 1% | 1% |
| Forecast |
No active USGS or USACE telemetry gauge is currently mapped to Boysen Reservoir. Not available from a verified source for this lake.
Nearby river temperature: 59.7°F at WIND RIVER AB BOYSEN RESERVOIR, NR SHOSHONI, WY (20.1 mi away) · Oct 9, 7:15 PM UTC
Excellent for fishing (90/100), from 5 available inputs. Supporting this: Dawn hours (07:00 local). Wind 13 mph from the southeast. 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 (84/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 13 mph from the southeast. 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.
Excellent for sailing (98/100), from 4 available inputs. Supporting this: Wind 13 mph from the SE is in the preferred sailing range. Gusts are within 3 mph of sustained wind, so the breeze is steady. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Good for kayaking (83/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Wind 13 mph from the southeast. 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 WY Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Known for its reliable water levels and open navigation, Boysen Reservoir in WY welcomes visitors for boating, paddling, and shoreline recreation. The waterbody supports an active angling community pursuing both native and stocked sportfish. Verifying ramp depth and seasonal regulations helps ensure safe launch operations.
Valid freshwater sport fishing license issued by Wyoming Game and Fish Department (WGFD) is required for anglers age 14+. Digital license on mobile is accepted.
Mandatory Clean, Drain & Dry inspection. Out-of-area craft require on-site Aquatic Invasive Species (AIS Quagga/Zebra) inspection or decontamination before launch. USCG life jackets required for all.
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, Common Carp, Black Crappie, Rainbow Trout. 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.
High-altitude mountain winter climate (elevation 4,725 ft MSL). Freezing temperatures, potential snowpack or ice cover, and reduced seasonal amenities. Winter safety caution advised.
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 Boysen 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 10, 7:17 AM MDT