Big Buttonwillow Lake

Merced County, CA

GOConfidence · Medium

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

dry conditions across the window

GO on Big Buttonwillow Lake — light winds and steady pressure trend for this window. Weather-only read (no on-water history calibrating this yet).

Next forecast window

Fri · Sep 11, 4 AM → 8 AM (America/Los_Angeles)

Full read

The latest cached fishing-weather read for Big Buttonwillow Lake in Merced County, CA 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 dry conditions across the window. Its cached forecast evidence included wind near 4 mph out of the northwest, gusting to 8 mph; surface pressure near 1010 hPa on a steady trend; 0.00 inches of rain; and air temperature near 100 °F with clear dominant. Confidence in this cached read is medium; it was generated September 10, 2026, 1:21 PM 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 September 10, 2026, 1:21 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind: 4mph
NW · gust 8
Rain / Weather: 0in
Clear
Temp: 100°F
38°C · hum 21%
Pressure: 29.83inHg
Steady

7-Day Fishing Forecast

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

Thu · Sep 10
Window passed
GO
Dry conditions across the window
104° / 70°F
4 mph · NWgust 24
0.00 in
↓ -2.2 hPa
Fri · Sep 11
4 AM → 8 AM
GO
Dry conditions across the window
95° / 68°F
3 mph · NEgust 25
0.00 in
↓ -2.7 hPa
Sat · Sep 12
5 AM → 9 AM
GO
Dry conditions across the window
95° / 61°F
7 mph · Wgust 23
0.00 in
↑ +3.4 hPa
Sun · Sep 13
5 AM → 9 AM
GO
Dry conditions across the window
88° / 52°F
7 mph · NWgust 17
0.00 in
↓ -2.4 hPa
Mon · Sep 14
4 AM → 8 AM
GO
Dry conditions across the window
93° / 57°F
5 mph · NWgust 19
0.00 in
↓ -0.9 hPa
Tue · Sep 15
4 AM → 8 AM
GO
Dry conditions across the window
95° / 59°F
6 mph · NWgust 14
0.00 in
→ +3.0 hPa
Wed · Sep 16
4 AM → 8 AM
GO
Dry conditions across the window
99° / 61°F
6 mph · NWgust 12
0.00 in
↓ +1.5 hPa

Last 3 days

Recent context — what just happened

Pressure

Rising

+0.3 hPa over 72h

Rain

Dry stretch

0.00 in totallast 72h

Wind

Calm wind

5 mph · gust 19 · NW

Temperature

Warmer

+16.0°F over 72h100–55°F range

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

Nearby waters

Bear Hide Lake· Merced County, CA
Diamond Lake· Merced County, CA
Oak Springs Reservoir· Santa Clara County, CA
Mendota Pool· Fresno County, CA
Turlock Lake· Stanislaus County, CA
Hoover Lake· Santa Clara County, CA

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