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Montana

Noxon Reservoir

Noxon Reservoir is a Montana reservoir of about 7,851 acres in Sanders County; conservative largemouth patterns key on cover and the season.

Surface
7,851acres
Primary species
Largemouth
§ 01Today on the water · Noxon Reservoirvia Open-Meteo · 13:45 local
Air temp
56.9°F
Barometric
29.74″
↓falling 24h(-0.21)
Wind
2mph
from NW
Moon
Waning Gibbous
day 19.4 · 77% lit

Air conditions sampled near the lake center, not measured on the water · refreshed ~15 min

§ 03Next 3 daysvia Open-Meteo · interpretation
  1. 1
    sepTue

    Stable window

    hi 84° · lo 56°

    Anytime through the day. Quiet weather day; lean on seasonal pattern and structure.

    ── light s wind · settled

  2. 2
    sepWed

    Better early

    hi 66° · lo 50°

    Pre-dawn through 9am. Get on the water before the front; the bite likely shrinks once precip starts.

    ── front rolling in · w wind setting up

  3. 3
    sepThu

    Better early

    hi 61° · lo 44°

    Pre-dawn through 9am. Get on the water before the front; the bite likely shrinks once precip starts.

    ── front rolling in · sw wind setting up

§ 04Field notesMontana

Where it is

Noxon Reservoir sits in Sanders County, Montana, covering about 7,851 acres. Where the largemouth sit changes with the season, not the map.

Seasonal pattern

Spring. Warming water pulls largemouth toward shallow, protected areas where they stage and spawn; the quickest-warming pockets lead.

Summer. Heat pushes fish off the shallows toward depth and shade; work the cooler ends of the day.

Fall. As water cools, forage and bass return toward shallower water; movement is wide, so covering water pays.

Winter. Cold water settles fish deep and slow; patience and a subtle presentation are the more dependable choice.

Key structure

  • Creek and cove mouths that funnel fish and bait
  • Weed edges and the clean lines along them
  • Inside turns where a bank changes angle
  • Submerged wood, brush, and laydown cover

The calendar decides which of these is worth time on a given day.

Forage

Forage on Noxon Reservoir centers on baitfish; resident largemouth follow that bait through the season alongside other resident species.

Access

Public launches surround Noxon Reservoir; check seasonal closures, water levels, and weather before a trip.

Regulations

Check current state and local regulations before fishing; limits and seasons can change.

§ 05Sources & field guides

Field guides

Data & references

  • Today's conditions — Open-Meteo, refreshed every ~15 min
  • Moon phase — local astronomical calculation, no external API
  • Lake area, depth, structure — Identity, surface area, coordinates and county/state are from the ProjectD canonical waterbody index (snapshot conus-20260518-v1, group gnis:00788330). Maximum depth and regulation links were not available from an acceptable source and are intentionally omitted.
  • Regulations — verify current state and local regulations before fishing

Last revised · Back to Lake Guide