What flies are hatching on the Mad River right now?

Current and seasonal hatches on the Mad River include Hendrickson, Caddis, Sulphur. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Mad River?

The Mad River is running at currently unavailable — check the USGS gauge at the primary station for the latest reading. Readings update every 15 minutes from the USGS Water Services API.

Is the Mad River fishable today?

Live conditions for Mad River are unavailable right now. Check the embedded gauge widget on this page for the latest data.

Mad River Fly Fishing Conditions

No Data

Gauge data unavailable for Mad River.
Check USGS directly ↗

24-Hr Pressure

29.09 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

68°FClear sky

Wind 3 mph29.09 inHg Low & stable

Tough conditions — fish deep

Today

🌧️

Rain

77° / 62°

2.18"

Tomorrow

🌤️

Mainly clear

81° / 58°

Wed

☁️

Overcast

79° / 64°

Thu

🌧️

Rain

84° / 68°

0.13"

Rain in forecast — expect rising, off-color water in 12–24 hrs.

Weather by Open-Meteo · No API key · Updated every 30 min

What should I fish today?

⚡ AI

AI-powered recommendation using today's live flow, temperature, and hatch data.

Time of Day

Using: Terrestrials. Caddis. Mid-summer thin.

What should I pack?

Rod, flies, tippet, and safety gear specific to today's Mad River conditions.

🪰 Hatch Calendar

Mad River · August · Late Summer

Full calendar →

Showing typical dates — water temperature data unavailable for live hatch predictions.

Select month

JanDec

Terrestrials. Caddis. Mid-summer thin.

CaddisTerrestrials

River Map

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USGS Gauge (click for site ID)Fishing Access / SectionScroll to zoom disabled — use map controls

About Mad River

The Mad River is a small Litchfield County stream draining the hills above Winsted before joining the Still River. It holds stocked brown trout and some wild brookies in its cooler upper reaches, with flows moderated by the Mad River Flood Control Impoundment. An approachable local option for early-season stocked trout fishing.

HendricksonCaddisSulphurBlue-Winged Olive

Regulations

General state season: second Saturday in April through November 30. Regulated trout section from Rugg Brook Road through Mad River Flood Control Impoundment to Route 263 crossing. 9" minimum size statewide effective January 1, 2026. No active USGS gauge on the fishable river section — check with local outfitters or Waterline app.

Learn More

Guides to help you fish Mad River with more confidence.