Isham Lake

Aurora County, SD

MAYBEConfidence · Medium
Best bite window
Tue · Oct 27, 4 AM → 8 AM (America/Chicago)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Isham Lake — light winds and rising pressure after a passing system for this window. Watch a front passing through and pressure swinging. Weather-only read (no on-water history calibrating this yet).

Full read

The current fishing-weather read for Isham Lake in Aurora County, SD is MAYBE, with the best four-hour window on Tue, Oct 27 from 4 AM to 8 AM (America/Chicago). The main factor in its favor is dry conditions across the window, and the main watch-out is a front passing through. During that window the forecast calls for wind near 3 mph out of the northwest, gusting to 6 mph, surface pressure near 951 hPa on an unstable trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 37 °F, with a dominant forecast of fog. Confidence in this read is medium; it was generated October 26, 2026, 9:53 AM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather alone; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED October 26, 2026, 9:53 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
3mph

NW · gust 6

Rain / Weather
0in

Fog

Temp
37°F

3°C · hum 100%

Pressure
28.08inHg

Unstable

7-Day Fishing Forecast

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

  1. Mon · Oct 26
    Window passed
    MAYBE
    A front passing through
    39° / 39°F
    12 mph · NEgust 24
    0.69 in
    ↓ -7.6 hPa
  2. Tue · Oct 27
    4 AM → 8 AM
    MAYBE
    A front passing through
    50° / 37°F
    3 mph · NWgust 27
    0.00 in
    ↓ -9.6 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    61° / 46°F
    7 mph · Sgust 28
    0.11 in
    ↑ +4.2 hPa
  4. Thu · Oct 29
    8 AM → 12 PM
    MAYBE
    A front passing through
    63° / 43°F
    4 mph · SEgust 14
    0.00 in
    ↑ +4.2 hPa
  5. Fri · Oct 30
    4 AM → 8 AM
    MAYBE
    A front passing through
    59° / 45°F
    7 mph · Egust 27
    0.00 in
    ↓ -1.7 hPa
  6. Sat · Oct 31
    4 AM → 8 AM
    MAYBE
    A front passing through
    61° / 50°F
    6 mph · Egust 24
    0.02 in
    ↓ -5.9 hPa
  7. Sun · Nov 1
    4 AM → 8 AM
    MAYBE
    A front passing through
    66° / 50°F
    7 mph · SEgust 21
    0.01 in
    ↓ -2.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+18.2 hPa over 72h
Rain
Light rain
0.10 in totallast 72h
Wind
Gusty
14 mph · gust 39 · E
Temperature
Cooler
-26.5°F over 72h77–39°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.