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Loon Lake sits in California and is classified as a reservoir. At around 1,450 acres (about 2 square miles), it is a mid-sized waterbody. Other waters in the region include Lake Tahoe, Donner Lake, and Caples Lake. Coverage here includes an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. Forecasts for Loon Lake 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, 12:08 PM PDT). Alerts are re-checked automatically; see the official source for updates.
Best good fishing window, averaging 81/100 across these hours. Wind 6 mph from the west-southwest. 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) | 72° | 72° | 72° | 73° | 71° | 69° | 67° | 59° | 57° | 56° | 56° | 56° | 55° | 56° | 55° | 55° | 55° | 53° | 52° | 51° | 51° | 53° | 55° | 56° |
| Wind (kts) | 7 | 7 | 8 | 8 | 8 | 7 | 5 | 4 | 4 | 6 | 6 | 7 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 12 | 13 | 12 |
| Direction | SW | SW | SW | W | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | SW | SW | SW |
| Gusts (kts) | 14 | 16 | 17 | 18 | 18 | 17 | 12 | 8 | 8 | 12 | 12 | 14 | 15 | 17 | 18 | 19 | 21 | 22 | 23 | 23 | 23 | 24 | 24 | 23 |
| Precip % | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 2% | 1% | 2% | 2% | 2% | 3% | 4% | 2% | 3% | 3% | 3% | 3% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Fri, 12 PM PDT | 72°F | 8 mph SW (225°) | 16 mph | 0% | 0% | Sunny |
| Fri, 1 PM PDT | 72°F | 8 mph SW (225°) | 18 mph | 0% | 2% | Sunny |
| Fri, 2 PM PDT | 72°F | 9 mph SW (225°) | 20 mph | 0% | 1% | Sunny |
| Fri, 3 PM PDT | 73°F | 9 mph WSW (248°) | 21 mph | 0% | 0% | Sunny |
| Fri, 4 PM PDT | 71°F | 9 mph WSW (248°) | 21 mph | 0% | 0% | Sunny |
| Fri, 5 PM PDT | 69°F | 8 mph WSW (248°) | 20 mph | 1% | 0% | Sunny |
| Fri, 6 PM PDT | 67°F | 6 mph WSW (248°) | 14 mph | 1% | 0% | Clear |
| Fri, 7 PM PDT | 59°F | 5 mph SW (225°) | 9 mph | 1% | 1% | Clear |
| Fri, 8 PM PDT | 57°F | 5 mph SSW (203°) | 9 mph | 1% | 5% | Clear |
| Fri, 9 PM PDT | 56°F | 7 mph SSW (203°) | 14 mph | 1% | 20% | Mostly Clear |
| Fri, 10 PM PDT | 56°F | 7 mph SSW (203°) | 14 mph | 1% | 14% | Mostly Clear |
| Fri, 11 PM PDT | 56°F | 8 mph SSW (203°) | 16 mph | 1% | 3% | Clear |
| Sat, 12 AM PDT | 55°F | 8 mph SSW (203°) | 17 mph | 2% | 9% | Mostly Clear |
| Sat, 1 AM PDT | 56°F | 8 mph SSW (203°) | 20 mph | 1% | 16% | Mostly Clear |
| Sat, 2 AM PDT | 55°F | 9 mph SSW (203°) | 21 mph | 2% | 21% | Mostly Clear |
| Sat, 3 AM PDT | 55°F | 10 mph SSW (203°) | 22 mph | 2% | 17% | Mostly Clear |
| Sat, 4 AM PDT | 55°F | 12 mph SSW (203°) | 24 mph | 2% | 18% | Mostly Clear |
| Sat, 5 AM PDT | 53°F | 12 mph SSW (203°) | 25 mph | 3% | 15% | Mostly Clear |
| Sat, 6 AM PDT | 52°F | 12 mph SSW (203°) | 27 mph | 4% | 5% | Sunny |
| Sat, 7 AM PDT | 51°F | 12 mph S (180°) | 27 mph | 2% | 10% | Sunny |
| Sat, 8 AM PDT | 51°F | 12 mph S (180°) | 27 mph | 3% | 9% | Sunny |
| Sat, 9 AM PDT | 53°F | 14 mph SSW (203°) | 28 mph | 3% | 0% | Sunny |
| Sat, 10 AM PDT | 55°F | 15 mph SSW (203°) | 28 mph | 3% | 2% | Sunny |
| Sat, 11 AM PDT | 56°F | 14 mph SSW (203°) | 27 mph | 3% | 2% | Sunny |
| Sat, 12 PM PDT | 58°F | 14 mph SSW (203°) | 29 mph | 3% | 2% | Sunny |
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) | 74° | 51° | 60° | 42° | 53° | 36° | 46° | 34° | 53° | 37° | 60° | 42° | 63° | 44° |
| Wind | SW 9 mph | SW 5 to 12 mph | SSW 12 to 15 mph | SSW 6 to 15 mph | SSW 8 mph | S 6 mph | WSW 5 mph | NNE 6 mph | NNE 3 to 8 mph | NE 3 to 8 mph | NNE 2 to 9 mph | NE 3 to 14 mph | ENE 5 to 14 mph | ENE 5 to 15 mph |
| Gusts | 21 mph | 25 mph | 29 mph | 33 mph | 20 mph | 16 mph | 10 mph | 12 mph | 14 mph | 15 mph | 15 mph | 23 mph | 23 mph | 27 mph |
| Precip % | 1% | 3% | 4% | 7% | 43% | 63% | 67% | 40% | 8% | 2% | 0% | 0% | 0% | 0% |
| Forecast |
GENERAL C NR MEEKS BAY CA · Oct 9, 2:00 PM UTC
Good for fishing (81/100), from 6 available inputs. Supporting this: Wind 6 mph from the south-southwest. 0% chance of precipitation. Not available from a verified source for this lake: pressure trend. Confidence is moderate (72%) because some inputs are unavailable or older than ideal.
Excellent for boating (94/100), from 4 available inputs. Supporting this: Wind 6 mph from the south-southwest. No active official alerts for this lake. 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: No active official alerts for this lake. Wind 6 mph from the SSW is workable but not ideal. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Fair for kayaking (69/100), from 5 available inputs. Supporting this: Wind 6 mph from the south-southwest. Gusts to 12 mph. Water temperature is 47°F (combined air+water: 115°F). Cold shock hazard: sudden immersion below 55°F poses serious risk. Confidence is high (90%).
Surface water measured at 47°F. Cold shock reflex presents an immediate drowning risk.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of CA Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Loon Lake represents an essential recreational destination in CA, offering prime waters for watersports, fishing, and weekend outings. Its shoreline includes accessible boat ramps and public recreation areas overseen by state and local natural resource agencies. Practicing water safety and monitoring sudden wind shifts ensures an enjoyable day on the lake.
Valid freshwater sport fishing license issued by California Department of Fish and Wildlife (CDFW) is required for anglers age 16+. 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 Brown Trout, Lahontan Cutthroat Trout, Brook Trout, Kokanee Salmon. 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.
Mild year-round outdoor climate. Uncrowded waters, active winter bass and crappie fishing, and open year-round boat launch access.
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 Loon Lake 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, 12:08 PM PDT