Lake Marion

Cook County, IL

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
dry conditions across the window

GO on Lake Marion — light winds and rising pressure after a passing system for this window. Weather-only read (no on-water history calibrating this yet).

Next forecast window
GO

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

Full read

The latest cached fishing-weather read for Lake Marion in Cook County, IL 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 northeast, gusting to 12 mph; surface pressure near 994 hPa on a rising trend; 0.00 inches of rain; and air temperature near 73 °F with overcast dominant. Confidence in this cached read is low; 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

NE · gust 12

Rain / Weather
0in

Overcast

Temp
73°F

23°C · hum 69%

Pressure
29.35inHg

Rising

7-Day Fishing Forecast

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

  1. Thu · Sep 10
    Window passed
    GO
    Dry conditions across the window
    77° / 64°F
    4 mph · NEgust 14
    0.00 in
    → +0.6 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    GO
    Dry conditions across the window
    84° / 59°F
    4 mph · SEgust 17
    0.00 in
    ↓ -3.0 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    GO
    Dry conditions across the window
    88° / 66°F
    4 mph · Sgust 21
    0.00 in
    → +1.1 hPa
  4. Sun · Sep 13
    5 AM → 9 AM
    GO
    Dry conditions across the window
    77° / 68°F
    3 mph · Ngust 19
    0.11 in
    ↑ +5.0 hPa
  5. Mon · Sep 14
    5 AM → 9 AM
    GO
    Dry conditions across the window
    88° / 66°F
    7 mph · NEgust 34
    0.05 in
    ↓ -7.8 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    GO
    Dry conditions across the window
    86° / 70°F
    3 mph · SWgust 37
    0.07 in
    ↑ +10.2 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    Dry conditions across the window
    70° / 59°F
    9 mph · NEgust 21
    0.09 in
    → +0.8 hPa

Last 3 days

Recent context — what just happened

Pressure
Falling
-3.3 hPa over 72h
Rain
Light rain
0.13 in totallast 72h
Wind
Calm wind
6 mph · gust 24 · SE
Temperature
Warmer
+5.6°F over 72h86–63°F range

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

Nearby waters

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