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In Idaho, Lake Cascade is a reservoir used for time on and around the water. Sitting at around 4,828 feet of elevation, it drops to a maximum depth near 75 feet. At around 27,700 acres (about 43 square miles), it is a large waterbody. Research-grade observations nearby include Yellow Perch, Pumpkinseed Sunfish, Rainbow Trout, and Smallmouth Bass. Nearby alternatives include Payette Lake, Deadwood Reservoir, and Brownlee Reservoir. A nearby water gauge supplies level and temperature readings where available. 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. Forecasts for Lake Cascade come from the National Weather Service and refresh several times a day.
Updated
No active alerts for this lake as of the last check (Oct 9, 4:38 AM MDT). Alerts are re-checked automatically; see the official source for updates.
Overall Excellent (91/100) across 4 activities. Best right now: Boating (97/100).
How the score is calculated →Best excellent fishing window, averaging 94/100 across these hours. Wind 6 mph from the south-southwest. Dusk hours (19:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 54° | 52° | 48° | 46° | 45° | 47° | 50° | 52° | 57° | 61° | 66° | 69° | 69° | 69° | 67° | 64° | 62° | 61° | 59° | 58° | 56° | 53° | 51° | 50° |
| Wind (kts) | 4 | 4 | 7 | 7 | 8 | 8 | 8 | 7 | 8 | 9 | 8 | 10 | 8 | 7 | 6 | 5 | 5 | 5 | 7 | 10 | 10 | 11 | 9 | 8 |
| Direction | SE | SE | SE | SE | SE | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | W | N | NE | NE | NE | NE | NE | NE |
| Gusts (kts) | 5 | 5 | 10 | 11 | 12 | 11 | 13 | 13 | 14 | 15 | 16 | 17 | 16 | 14 | 14 | 12 | 10 | 10 | 12 | 15 | 16 | 16 | 14 | 12 |
| Precip % | 0% | 0% | 1% | 1% | 1% | 1% | 2% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 6% | 1% | 1% | 5% | 6% | 12% | 11% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Fri, 4 AM MDT | 54°F | 5 mph SE (135°) | 6 mph | 0% | 11% | Mostly Clear |
| Fri, 5 AM MDT | 52°F | 5 mph SE (135°) | 6 mph | 0% | 8% | Mostly Clear |
| Fri, 6 AM MDT | 48°F | 8 mph SE (135°) | 12 mph | 1% | 6% | Sunny |
| Fri, 7 AM MDT | 46°F | 8 mph SE (135°) | 13 mph | 1% | 12% | Sunny |
| Fri, 8 AM MDT | 45°F | 9 mph SE (135°) | 14 mph | 1% | 19% | Sunny |
| Fri, 9 AM MDT | 47°F | 9 mph SSE (158°) | 13 mph | 1% | 10% | Sunny |
| Fri, 10 AM MDT | 50°F | 9 mph SSE (158°) | 15 mph | 2% | 2% | Sunny |
| Fri, 11 AM MDT | 52°F | 8 mph SSE (158°) | 15 mph | 1% | 1% | Sunny |
| Fri, 12 PM MDT | 57°F | 9 mph SSW (203°) | 16 mph | 0% | 1% | Sunny |
| Fri, 1 PM MDT | 61°F | 10 mph SW (225°) | 17 mph | 0% | 1% | Sunny |
| Fri, 2 PM MDT | 66°F | 9 mph SW (225°) | 18 mph | 0% | 2% | Sunny |
| Fri, 3 PM MDT | 69°F | 12 mph SW (225°) | 20 mph | 0% | 12% | Sunny |
| Fri, 4 PM MDT | 69°F | 9 mph SW (225°) | 18 mph | 0% | 19% | Sunny |
| Fri, 5 PM MDT | 69°F | 8 mph SW (225°) | 16 mph | 0% | 14% | Sunny |
| Fri, 6 PM MDT | 67°F | 7 mph SSW (203°) | 16 mph | 0% | 21% | Mostly Clear |
| Fri, 7 PM MDT | 64°F | 6 mph SSW (203°) | 14 mph | 0% | 29% | Partly Cloudy |
| Fri, 8 PM MDT | 62°F | 6 mph W (270°) | 12 mph | 0% | 45% | Partly Cloudy |
| Fri, 9 PM MDT | 61°F | 6 mph N (0°) | 12 mph | 6% | 61% | Mostly Cloudy |
| Fri, 10 PM MDT | 59°F | 8 mph NNE (23°) | 14 mph | 1% | 59% | Mostly Cloudy |
| Fri, 11 PM MDT | 58°F | 12 mph NNE (23°) | 17 mph | 1% | 58% | Mostly Cloudy |
| Sat, 12 AM MDT | 56°F | 12 mph NNE (23°) | 18 mph | 5% | 58% | Mostly Cloudy |
| Sat, 1 AM MDT | 53°F | 13 mph NNE (23°) | 18 mph | 6% | 68% | Mostly Cloudy |
| Sat, 2 AM MDT | 51°F | 10 mph NNE (23°) | 16 mph | 12% | 74% | Mostly Cloudy |
| Sat, 3 AM MDT | 50°F | 9 mph NNE (23°) | 14 mph | 11% | 74% | Mostly Cloudy |
| Sat, 4 AM MDT | 50°F | 9 mph NNE (23°) | 15 mph | 10% | 87% | Mostly Cloudy |
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 | Overnight October 9, 2026 | Friday October 9, 2026 | Friday Night 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 45° | 69° | 45° | 51° | 40° | 49° | 39° | 49° | 37° | 52° | 36° | 51° | 37° | 54° |
| Wind | SE 5 mph | S 8 to 12 mph | N 6 to 13 mph | NW 6 to 9 mph | N 2 to 14 mph | N 2 mph | N 2 to 10 mph | N 0 to 3 mph | NNE 0 to 3 mph | NNE 2 mph | NNE 2 mph | N 2 mph | N 2 mph | N 2 mph |
| Gusts | 6 mph | 20 mph | 18 mph | 15 mph | 21 mph | 7 mph | 17 mph | 6 mph | 7 mph | 6 mph | 7 mph | 8 mph | 7 mph | 6 mph |
| Precip % | 0% | 2% | 12% | 47% | 75% | 56% | 53% | 55% | 19% | 17% | 11% | 15% | 12% | 2% |
| Forecast |
No active USGS or USACE telemetry gauge is currently mapped to Lake Cascade. Not available from a verified source for this lake.
Good for fishing (87/100), from 5 available inputs. Supporting this: Wind 5 mph from the southeast. 0% 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.
Excellent for boating (97/100), from 4 available inputs. Supporting this: Wind 5 mph from the southeast. Gusts to 6 mph. 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 (86/100), from 4 available inputs. Supporting this: Gusts are within 1 mph of sustained wind, so the breeze is steady. No active official alerts for this lake. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Excellent for kayaking (96/100), from 5 available inputs. Supporting this: Wind 5 mph from the southeast. Gusts to 6 mph. 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 ID Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Lake Cascade in ID is a popular freshwater reservoir known for its welcoming public recreation, scenic beauty, and dependable sport fishing. Multiple public access sites allow easy launching for trailered boats and personal watercraft. Park facilities and regional fisheries management are overseen by state and local natural resource agencies.
Valid freshwater sport fishing license issued by Idaho Department of Fish and Game (IDFG) 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 Yellow Perch, Pumpkinseed Sunfish, Rainbow Trout, Smallmouth Bass. 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 4,828 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 Lake Cascade 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, 4:38 AM MDT