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Bull Lake Reservoir is a reservoir located in Wyoming. Fish documented in the area include Lake Trout and Brown Trout. It covers roughly 2,942 surface acres (about 5 square miles). For this location, LakeRadar tracks an hourly and 7-day forecast, wind and gust outlook, fishing conditions, and activity scores for boating, paddling, and swimming. Other waters in the region include Fremont Lake. Use the conditions and forecast on this page to decide when to go boating, fishing, or paddling at Bull Lake Reservoir.
Updated
Latest source update is older than expected. Use caution and check the official source.
The last automated check (Oct 9, 5:38 PM MDT) found no active alerts for this lake, but that check is older than LakeRadar's alert freshness window, so the current alert status could not be confirmed.
Confirm before heading out: official alerts for this area or weather.gov/alerts. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
Overall Fair (61/100) across 4 activities. Best right now: Sailing (70/100).
How the score is calculated →Best good fishing window, averaging 88/100 across these hours. Wind 9 mph from the southwest. Dusk hours (19:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 70° | 65° | 60° | 57° | 56° | 55° | 54° | 54° | 53° | 51° | 51° | 51° | 49° | 51° | 51° | 54° | 57° | 61° | 64° | 66° | 67° | 66° | 64° | 63° |
| Wind (kts) | 11 | 8 | 9 | 6 | 5 | 7 | 7 | 10 | 15 | 12 | 13 | 11 | 10 | 7 | 5 | 7 | 11 | 12 | 12 | 11 | 15 | 11 | 10 | 7 |
| Direction | SW | SW | SW | SW | S | SW | SW | SW | SW | SW | SW | SW | SW | S | SW | SW | SW | W | W | W | W | W | W | W |
| Gusts (kts) | 17 | 13 | 13 | 9 | 8 | 10 | 10 | 15 | 23 | 18 | 20 | 17 | 14 | 11 | 7 | 11 | 16 | 18 | 17 | 16 | 23 | 16 | 15 | 11 |
| Precip % | 0% | 0% | 0% | 1% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 1% | 1% | 3% | 5% | 7% | 14% | 15% | 13% | 20% | 34% | 19% | 22% | 21% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Fri, 6 PM MDT | 70°F | 13 mph SW (225°) | 20 mph | 0% | 14% | Mostly Clear |
| Fri, 7 PM MDT | 65°F | 9 mph SW (225°) | 15 mph | 0% | 11% | Mostly Clear |
| Fri, 8 PM MDT | 60°F | 10 mph SW (225°) | 15 mph | 0% | 7% | Mostly Clear |
| Fri, 9 PM MDT | 57°F | 7 mph SW (225°) | 10 mph | 1% | 5% | Clear |
| Fri, 10 PM MDT | 56°F | 6 mph S (180°) | 9 mph | 0% | 6% | Mostly Clear |
| Fri, 11 PM MDT | 55°F | 8 mph SSW (203°) | 12 mph | 0% | 6% | Mostly Clear |
| Sat, 12 AM MDT | 54°F | 8 mph SW (225°) | 12 mph | 0% | 8% | Mostly Clear |
| Sat, 1 AM MDT | 54°F | 12 mph SW (225°) | 17 mph | 0% | 13% | Mostly Clear |
| Sat, 2 AM MDT | 53°F | 17 mph SW (225°) | 27 mph | 0% | 16% | Mostly Clear |
| Sat, 3 AM MDT | 51°F | 14 mph SW (225°) | 21 mph | 1% | 23% | Mostly Clear |
| Sat, 4 AM MDT | 51°F | 15 mph SW (225°) | 23 mph | 1% | 44% | Partly Cloudy |
| Sat, 5 AM MDT | 51°F | 13 mph SSW (203°) | 20 mph | 1% | 44% | Partly Cloudy |
| Sat, 6 AM MDT | 49°F | 12 mph SSW (203°) | 16 mph | 1% | 27% | Mostly Sunny |
| Sat, 7 AM MDT | 51°F | 8 mph S (180°) | 13 mph | 3% | 48% | Mostly Sunny |
| Sat, 8 AM MDT | 51°F | 6 mph SW (225°) | 8 mph | 5% | 44% | Mostly Sunny |
| Sat, 9 AM MDT | 54°F | 8 mph SW (225°) | 13 mph | 7% | 23% | Sunny |
| Sat, 10 AM MDT | 57°F | 13 mph SW (225°) | 18 mph | 14% | 30% | Mostly Sunny |
| Sat, 11 AM MDT | 61°F | 14 mph WSW (248°) | 21 mph | 15% | 41% | Slight Chance Rain Showers |
| Sat, 12 PM MDT | 64°F | 14 mph WSW (248°) | 20 mph | 13% | 39% | Mostly Sunny |
| Sat, 1 PM MDT | 66°F | 13 mph WSW (248°) | 18 mph | 20% | 34% | Slight Chance Rain Showers |
| Sat, 2 PM MDT | 67°F | 17 mph WSW (248°) | 27 mph | 34% | 58% | Chance Rain Showers |
| Sat, 3 PM MDT | 66°F | 13 mph WSW (248°) | 18 mph | 19% | 53% | Slight Chance Showers And Thunderstorms |
| Sat, 4 PM MDT | 64°F | 12 mph W (270°) | 17 mph | 22% | 51% | Slight Chance Showers And Thunderstorms |
| Sat, 5 PM MDT | 63°F | 8 mph WSW (248°) | 13 mph | 21% | 34% | Slight Chance Showers And Thunderstorms |
| Sat, 6 PM MDT | 60°F | 6 mph W (270°) | 8 mph | 23% | 28% | Slight Chance Showers And Thunderstorms |
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 9, 2026 | Tonight October 9, 2026 | Saturday October 10, 2026 | Saturday Night 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 75° | 48° | 68° | 40° | 52° | 34° | 51° | 34° | 52° | 35° | 53° | 33° | 52° | 31° |
| Wind | WSW 16 mph | SW 6 to 17 mph | SW 6 to 17 mph | WNW 2 to 6 mph | E 7 mph | ENE 8 mph | ESE 7 mph | SW 6 mph | N 3 mph | WSW 6 mph | NW 6 mph | WNW 8 mph | N 7 mph | NW 6 mph |
| Gusts | 24 mph | 27 mph | 27 mph | 9 mph | 13 mph | 12 mph | 13 mph | 9 mph | 7 mph | 8 mph | 10 mph | 12 mph | 10 mph | 8 mph |
| Precip % | 0% | 1% | 34% | 66% | 85% | 99% | 63% | 50% | 50% | 66% | 49% | 32% | 17% | 15% |
| Forecast |
No active USGS or USACE telemetry gauge is currently mapped to Bull Lake Reservoir. Not available from a verified source for this lake.
Fair for fishing (64/100), from 5 available inputs. Supporting this: Dusk hours (18:00 local). Wind 13 mph from the southwest. The forecast mentions thunderstorms, which carries a risk penalty. 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.
Fair for boating (55/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 13 mph from the southwest. The forecast mentions thunderstorms, which carries a risk penalty. 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.
Fair for sailing (70/100), from 4 available inputs. Supporting this: Wind 13 mph from the SW is in the preferred sailing range. No active official alerts for this lake. The forecast mentions thunderstorms, which carries a risk penalty. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Fair for kayaking (55/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Wind 13 mph from the southwest. The forecast mentions thunderstorms, which carries a risk penalty. 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.
As a prominent feature of WY's hydrographic network, Bull Lake Reservoir provides rewarding recreation for both motorized craft and paddleboarders. Its channels and bays offer shelter from prevailing winds and fertile habitat for regional sportfish. Review state fishing license requirements and local launch regulations before putting in.
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 Mackinaw (Lake Trout), Brown 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.
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 Bull Lake 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 9, 6:35 PM MDT