Madison River Fishing Report

Ennis, Madison County, Montana, 2/12/2026, 12:00 AM

Disclaimer: The following report is compiled using artificial intelligence from current available data. Accuracy is not guarenteed. Always check local laws and regulations before fishing.

River Description

  • Madison River near Ennis: Stable winter flows averaging 850-1300 cfs across key gages (Cameron at 872 cfs, below Ennis Lake at 1310 cfs), slightly below to above seasonal norms; gage heights 2-4 ft support safe wading in riffles.
  • Cold water temps 34-38°F slow trout metabolism but hold fish tight to structure; technical nymphing river with deep runs and seams ideal for precise drifts.
  • Waning crescent moon (22% illumination) means low overnight light, pushing fish into shallower wintering lies; high fishing potential for resident browns and rainbows despite short days.

3-Day Forecast

  • Feb 13: High 48°F, lows near 20°F, SSW winds 5-10 mph easing; partly cloudy with rising barometer improves visibility for sighting fish in shallows.
  • Feb 14: Warming to 52°F, light W winds 8 mph, mostly sunny; temp bump triggers subtle midge activity on calmer waters.
  • Feb 15: Cooling to 45°F, increasing NW winds 15 mph, 20% chance light snow; wind may dirty tailouts but focus fishing on sheltered bends.

Fishing Outlook

  • Fair conditions overall; cold water (33-38°F) limits surface action but stable flows and moderate highs (45-52°F) keep nymphing consistent in 3-6 ft depths.
  • Low lunar illumination reduces dawn/dusk bites, yet yesterday's wind drop and today's humidity (50%) stabilize hatches for selective feeders.
  • Big browns active on streamers in low light; rainbows responsive to small nymphs amid yesterday's no-rain stability.

Recommendations

  • Flies & Techniques:
    • Zebra midges (#18-22) or wonder nymphs (#16-20) under indicators for riffle seams; dead-drift euro-style at 2-3 ft depth targets lethargic trout.
    • Sowbugs (#14-16) or scud patterns bounced along rocky bottoms; add split shot for cold-water sink rates.
    • Mini streamers like black wooly buggers (#8-10) on sink-tip lines; swing low and slow through undercut banks for trophy browns.
  • Best Times & Tips:
    • 10am-3pm windows when sun warms shallows and wind calms; avoid moonset (2:42pm today) as fish spook easily.
    • Wading safe at current gage heights but test ice edges; watch for wind gusts up to 15 mph tomorrow.
    • Target Madison below Ennis Lake for warmer 38°F water and higher flows (1310 cfs).
  • Gear Notes: 4-5 wt rods with 9 ft leaders; bring sink-tip lines for streamers, extra split shot, and polarized glasses for glare off snowbanks.

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Today's Weather

Weather forecast for Ennis, Madison County, Montana

49° F High

Sunny

High: 49° Low: 49°

Sunny. High near 49, with temperatures falling to around 46 in the afternoon. South southwest wind around 9 mph.

Wind 9 mph SSW
Precipitation 0% Chance of rain
Yesterday 49.0°/22.0° N/A

5-Day Forecast

Today
49° / 49°
Sunny
0%
Friday
47° / 24°
Mostly Sunny
0%
Saturday
49° / 27°
Mostly Cloudy
9%
Sunday
51° / 34°
Partly Sunny
7%
Washington's Birthday
49° / 30°
Partly Sunny then Slight Chance Light Rain
16%

24-Hour Forecast

6:00 PM
35°
0%
7:00 PM
41°
0%
8:00 PM
44°
0%
9:00 PM
47°
0%
10:00 PM
49°
0%
11:00 PM
47°
0%
12:00 AM
46°
0%
1:00 AM
41°
0%
2:00 AM
36°
0%
3:00 AM
34°
0%
4:00 AM
32°
0%
5:00 AM
31°
0%
6:00 AM
30°
0%
7:00 AM
29°
0%
8:00 AM
28°
0%
9:00 AM
28°
0%
10:00 AM
26°
0%
11:00 AM
26°
0%
12:00 PM
26°
0%
1:00 PM
24°
0%
2:00 PM
25°
0%
3:00 PM
26°
0%
4:00 PM
30°
0%
5:00 PM
35°
0%

USGS Water Monitoring

Real-time streamflow and water quality data from USGS monitoring stations

Last updated: 2/12/2026
Status Indicators:
High
Normal
Low
Avg Streamflow 764 ft³/s Across 3 stations
Avg Gage Height 3.02 ft Across 3 stations
Avg Water Temp 2.1°C 35.8°F

Station Details

Madison River near Cameron MT
06040000
Streamflow
872 ft³/s
Range: 814 - 1,020 ft³/s (Last 90 days)
814 1,020
6:15 PM
Gage Height
2.12 ft
6:15 PM
Water Temperature
0.9°C (33.6°F)
Range: -0.2°C - 6.7°C (Last 88 days)
6:15 PM
Madison River ab powerplant nr McAllister MT
06040800
Streamflow
109 ft³/s
Range: 97 - 457 ft³/s (Last 90 days)
97 457
5:30 PM
Gage Height
3.15 ft
5:30 PM
Madison River bl Ennis Lake nr McAllister MT
06041000
Streamflow
1,310 ft³/s
Range: 1,150 - 1,420 ft³/s (Last 89 days)
1,150 1,420
6:30 PM
Gage Height
3.79 ft
6:30 PM
Water Temperature
3.3°C (37.9°F)
Range: -0.1°C - 6.2°C (Last 89 days)
6:30 PM

Lunar Information

Current moon phase and astronomical data

Thursday, February 12, 2026
🌘

Waning Crescent

Illumination 22%

Lunar Events

Next Phase Last Quarter Monday, February 9, 2026 at 07:43 ST
Moonrise 06:52 ST
Moonset 14:42 ST
Highest Point 10:47 ST Upper transit

Current Condition Sources

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