J J Madison Lake

McNairy County, TN

GOConfidence · Low

Best bite window

The highlighted window has passed. This read is still based on the latest cached weather; use the 7-Day forecast below for the next window.

Main reason

falling pressure ahead of a system

GO on J J Madison Lake — light winds and falling pressure ahead of a system for this window. Weather-only read (no on-water history calibrating this yet).

Next forecast window

Fri · Jul 24, 4 AM → 8 AM (America/Chicago)

Full read

The latest cached fishing-weather read for J J Madison Lake in McNairy County, TN is GO. Its highlighted window has passed, so use the 7-day forecast below for the next available window. The main factor in its favor was falling pressure ahead of a system. Its cached forecast evidence included wind near 7 mph out of the northeast, gusting to 14 mph; surface pressure near 1002 hPa on a falling trend; 0.00 inches of rain; and air temperature near 79 °F with overcast dominant. Confidence in this cached read is low; it was generated July 23, 2026, 11:35 AM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED July 23, 2026, 11:35 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind: 7mph
NE · gust 14
Rain / Weather: 0in
Overcast
Temp: 79°F
26°C · hum 66%
Pressure: 29.59inHg
Falling

7-Day Fishing Forecast

One read per day — the bite call, the window, the weather behind it

Thu · Jul 23
Window passed
GO
Falling pressure ahead of a system
84° / 73°F
7 mph · NEgust 22
0.00 in
↑ +2.7 hPa
Fri · Jul 24
4 AM → 8 AM
GO
Falling pressure ahead of a system
93° / 72°F
4 mph · NEgust 18
0.00 in
↓ -0.1 hPa
Sat · Jul 25
9 AM → 1 PM
GO
Falling pressure ahead of a system
88° / 72°F
5 mph · Sgust 12
0.42 in
↓ -0.8 hPa
Sun · Jul 26
4 AM → 8 AM
GO
Falling pressure ahead of a system
97° / 72°F
4 mph · SWgust 13
0.02 in
↓ -4.3 hPa
Mon · Jul 27
4 AM → 8 AM
GO
Falling pressure ahead of a system
102° / 75°F
5 mph · SWgust 19
0.00 in
↓ -4.9 hPa
Tue · Jul 28
5 PM → 9 PM
GO
Falling pressure ahead of a system
102° / 81°F
7 mph · NWgust 35
0.00 in
→ +1.4 hPa
Wed · Jul 29
4 AM → 8 AM
GO
Falling pressure ahead of a system
93° / 72°F
6 mph · NEgust 21
0.00 in
↑ +4.5 hPa

Last 3 days

Recent context — what just happened

Pressure

Steady

+1.6 hPa over 72h

Rain

Light rain

0.40 in totallast 72h

Wind

Calm wind

4 mph · gust 16 · SE

Temperature

Cooler

-0.5°F over 72h95–75°F range

Weather-only read. Confidence is capped until local water data or feedback exists.

Nearby waters

Big Hill Pond· McNairy County, TN
Cub Creek Tree Farm Lake· Hardeman County, TN
Porters Creek Watershed Number Sixteen Lake· Hardeman County, TN
The Grinnel Pond· Hardeman County, TN
Spring Creek Ranch Lake Number One· Hardeman County, TN
Hensley Pond· Benton County, MS

Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.