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Lake Lowell Fishing Report

Updated Fri, Oct 23, 2026 from live gauge and weather data

The Treasure Valley’s off-channel giant: Lowell’s weedy flats grow double-digit largemouth minutes from Boise’s sprawl.

2/5
Slow. The wind owns today.25 mph gusts make boat control the real battle.
Water temp
~74 F est.
Air / High
51 / 57 F
Wind
NW 18 mph

Sources: Open-Meteo, solunar calculated for these coordinates.

Satellite view
Friday
23
October 2026

Today's Fishing Report

Generated this morning from live readings: gauge, weather model, sun and moon. A fresh report is published here every morning.

2/5Slow. The wind owns today.25 mph gusts make boat control the real battle.

Lake Lowell sits in the sweet spot of the season: active fish and workable weather. Today brings cloud cover, wind NW around 18 mph, steady pressure near 1017 hPa and a high of 57. Water sits around 74 F for the season (estimated). With the waxing gibbous, the solunar majors run 10:25 AM-12:25 PM and 10:55 PM-12:55 AM: the windows to build the day around.

The plan, species by species

Largemouth bassGood

The main feeding season after the spawn: work moving baits along weed edges, points and wood, and follow up with a soft plastic where a fish swirls.

Catfish (blue, channel)Good

Spawning season from late May into summer: Iowa DNR suggests drifting bait under a float along riprap and snags where males guard nests in cavities.

CrappieFair

Early in this band crappie are spawning in protected coves; afterward they move to docks, brush piles and standing timber near deeper water.

White bassFair

Summer and early fall schooling season over open water; follow the shad, and try live bait on the bottom at night.

Tomorrow: Similar at 60 F. The solunar majors shift about 50 minutes later.Next report: Sat, Oct 24, 6:30 AMHow this report is made →

Before you go

Idaho requires a fishing licence from age 14, from $35.50 for residents. What a Idaho licence costs and where to buy it →

Chasing largemouth bass here? Check the size and bag limits with IDFG before you keep anything. The season dates for Idaho, read off the agency, are on the Idaho seasons page.

Water and weather

Live readings.

No live gauge on this water

Conditions here are modeled from weather, season and the nearest stations. Water readings appear when a USGS gauge is available.

5060708090JanMarMayJulSepNovOct, ~74 F now

Right now

Latest readings

Air temp51 F
High / Low57 / 43 F
WindNW 18-27 mph
Pressure1016.8 hPa, steady
Sky / Rain100% cloud, 35%
Sunrise / Sunset08:11 / 18:50
MoonWaxing Gibbous, 91%
Water temp (seasonal)~74 F est.

Bite planner

Hour-by-hour bite forecast for today. Tap a bar to see why.

5 AM8 AM11 AM2 PM5 PM8 PMsunrisesunset

Which day to fish Lake Lowell this week

The best day on Lake Lowell this week looks like Saturday Oct 24, at 4 out of 5, against 2 today.

Best day this week: Saturday, Oct 24 — good at 4/5, falling pressure, usually the best window of a week.

Today, Oct 23 — Tough

25 mph gusts make boat control the real battle.

Solunar majors
10:25 AM-12:25 PM and 10:55 PM-12:55 AM
Minor period
4:50 AM-5:50 AM
Sun
08:11 to 18:50
Moon
Waxing Gibbous, 91% lit
Sky and wind
Showers, 25 mph
Rain chance
35%

Forecast-based scores, less reliable further out: how the score is built.

Species guide

The species that matter on Lake Lowell: seasons, structure and how to fish each one. Today's ratings live in the report above.

Largemouth bass illustration

Largemouth bass

Best: the spring pre-spawn and the fall feed

A warm-water sunfish of lakes, reservoirs, ponds and slow river backwaters that holds tight to cover: weeds, logs, rock ledges and docks. In Texas, TPWD surveys rank it "by far" the freshwater fish anglers most want to catch. The main feeding season after the spawn: work moving baits along weed edges, points and wood, and follow up with a soft plastic where a fish swirls.

Crappie illustration

Crappie

Best: the spring spawn; summer around docks, brush and the thermocline

Two slab-sided panfish, the white crappie and the black crappie, that gather around submerged timber, brush piles, docks and bridge pilings in lakes, reservoirs and slow river backwaters. Texas Parks and Wildlife counts crappie as the state's most popular panfish. Early in this band crappie are spawning in protected coves; afterward they move to docks, brush piles and standing timber near deeper water.

Catfish (blue, channel) illustration

Catfish (blue, channel)

Year-round, best at dusk and after dark

Three big catfish share most of the country's rivers and reservoirs: the channel catfish, the most widespread; the blue catfish, the largest; and the flathead, which hunts live fish. All feed mostly on or near the bottom. Spawning season from late May into summer: Iowa DNR suggests drifting bait under a float along riprap and snags where males guard nests in cavities.

White bass illustration

White bass

Best: the spring run up the tributaries, then summer surface schools

A silvery temperate bass of rivers and large reservoirs, also called sand bass, that schools in open water after shad and runs up tributaries to spawn in early spring. Summer and early fall schooling season over open water; follow the shad, and try live bait on the bottom at night.

When to come: the Lake Lowell calendar

Activity by species and month, and how the water warms through the year. Tap any cell.

Species activity by month

1 = slow, 5 = peak. Current month highlighted.

J
F
M
A
M
J
J
A
S
O
N
D
Largemouth bass
Crappie
Catfish (blue, channel)
White bass
SlowPeak

Water temperature through the year

Typical surface temperature for this water type; today is around 74 F (estimated, not a reading).

5060708090JanMarMayJulSepNovOct, ~74 F now

Angler reports

Real reports from real anglers, reviewed before publishing. The water log below tracks each day automatically.

No angler reports yet this weekBe the first: your report helps every angler who checks Lake Lowell today, and we feature the best catch of the week.

Water log, last days

Auto-logged from live data
Thu, Oct 22

3/5 Fair. Fish the windows. A steady pattern: dawn and dusk carry the day. Largemouth bass led the card at good. High of 72 F, wind to 22 mph.

Wed, Oct 21

4/5 Good. Solid day ahead. Stable-to-falling pressure and workable wind line things up. Largemouth bass led the card at excellent. High of 74 F, wind to 7 mph.

Tue, Oct 20

4/5 Good. Solid day ahead. Stable-to-falling pressure and workable wind line things up. Largemouth bass led the card at excellent. High of 71 F, wind to 9 mph.

Where roughly, what depth, what bait. Skip anything you want to keep secret.
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Before you go

License

Idaho requires a valid fishing license for adults. Buy online from the state agency; one-day options exist for visitors.

Regulations

Idaho license. Bass under standard limits (2 over 20 inches typical statewide rules): check IDFG. Refuge boating season and zone rules apply: verify current Deer Flat maps.

Access

Lower Dam and Upper Dam recreation areas, Gotts Point (seasonal), bank access along both dam faces.

About this water

A 9,000-acre off-channel irrigation reservoir inside Deer Flat NWR at Nampa, Canyon County, Idaho: premier largemouth water.

Fishing Lake Lowell: the full guide

An irrigation lake that over-delivers

Lake Lowell stores Boise River water behind low dams south of Nampa: 9,000 fertile off-channel acres inside the Deer Flat National Wildlife Refuge. Shallow, weedy and bird-rich, it is southwest Idaho’s bass factory: largemouth to twelve pounds live in the smartweed and flooded willows: with channel cats, crappie, bluegill and carp-flats bonus fishing rounding a warm-water card rare for Idaho.

Bass in the weeds

Spring fish flood the flooded brush and smartweed edges as the pool rises: pitch jigs and swim frogs early. Summer builds the classic weed-mat game: punch the mats midday, walk frogs over them mornings, and drag the outside edges (8-14 feet) with Texas rigs when the sun climbs. Drawdown falls concentrate everything along the remaining green: the October frog bite can be the year’s best.

The refuge rhythm

Deer Flat NWR rules shape the calendar: wake-free zones, seasonal waterfowl closures (October-April on much of the water) and a boating season that effectively runs April 15-September 30 for most of the lake: check current maps. The trade is worth it: the protected water grows unpressured giants, and the bird spectacle over an evening topwater session is its own reward.

Nampa logistics

Ramps at Lower Dam (east) and Upper Dam (west) plus Gotts Point serve boats in season: bank and wade access along the dams year-round where refuge rules allow. Afternoon valley wind chops the shallow bowl: mornings fish calm. Nampa and Caldwell wrap the lake with every amenity: this is backyard water for half a million people that still fishes like a secret.

Common questions

How big do Lowell largemouth get?

Ten-pound fish are verified regularly: the refuge’s protection plus weed-rich forage water builds true southern-style giants in Idaho.

When can I actually boat there?

Most water opens to boats mid-April through September: the refuge’s waterfowl mission closes much of the lake in the cold months: bank options remain.

What is the go-to summer pattern?

Frogs over the mats at first light, punching at noon: the smartweed and willow edges concentrate everything that matters.

Is fishing good at Lake Lowell right now?

Check the daily report at the top of this page: it is regenerated every morning from live data. Today's read: Slow. The wind owns today. 25 mph gusts make boat control the real battle.

Nearby waters

Boise River21 miOwyhee River29 miLucky Peak Reservoir32 miPayette River36 miSouth Fork Boise River62 miAnderson Ranch Reservoir63 mi

Where this page's numbers come from

Weather and pressure
Open-Meteo forecast model
Queried at 43.5564, -116.6758 in this water's own timezone. A model, not an observation.
Moon and solunar windows
Calculated on this site
Astronomical calculation from these coordinates and the date, not a third-party feed. How much weight it deserves.
The written guide on this page
Pablo Ruiz Quintero
How this page was made. The daily report is computed by our scoring engine from live readings; nobody types it. The written guide was drafted with AI assistance. Unlike our newer pages, it does not yet list the official pages its facts were checked against: that audit is under way, and anything it cannot verify will be taken out. Pablo Ruiz Quintero sets every guideline, the data-verification system and the minimum standards a page must meet to be published, reviews page structure and approves what goes live; the responsibility is his, and the AI carries out the work. We work this way because it is how one person can keep every page current with named sources. Errors are published in the verification log; the full policy is in the editorial policy.

Readings refresh on a 30-minute window. The full method, with every figure and its source, is on how our reports are made. Something wrong here? Tell us and it goes in the log with the date.