Cottonwood Lake

Clark 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 Cottonwood 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 Cottonwood Lake in Clark 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 6 mph out of the east, gusting to 14 mph, surface pressure near 954 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, 9:29 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, 9:29 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind: 6mph
E · gust 14
Rain / Weather: 0in
Fog
Temp: 37°F
3°C · hum 98%
Pressure: 28.17inHg
Unstable

7-Day Fishing Forecast

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

Mon · Oct 26
Window passed
MAYBE
A front passing through
39° / 37°F
9 mph · NEgust 25
0.46 in
↓ -7.0 hPa
Tue · Oct 27
4 AM → 8 AM
MAYBE
A front passing through
48° / 37°F
6 mph · Egust 22
0.03 in
↓ -10.1 hPa
Wed · Oct 28
6 AM → 10 AM
MAYBE
A front passing through
61° / 46°F
9 mph · Sgust 33
0.19 in
↑ +3.7 hPa
Thu · Oct 29
11 AM → 3 PM
MAYBE
A front passing through
61° / 43°F
4 mph · Sgust 12
0.00 in
↑ +6.0 hPa
Fri · Oct 30
4 AM → 8 AM
MAYBE
A front passing through
55° / 41°F
9 mph · Egust 33
0.00 in
↓ -1.4 hPa
Sat · Oct 31
7 PM → 11 PM
MAYBE
A front passing through
59° / 48°F
7 mph · Sgust 32
0.04 in
↓ -6.7 hPa
Sun · Nov 1
4 AM → 8 AM
MAYBE
A front passing through
63° / 48°F
8 mph · SEgust 28
0.06 in
↓ -3.6 hPa

Last 3 days

Recent context — what just happened

Pressure

Unstable

+17.9 hPa over 72h

Rain

Light rain

0.29 in totallast 72h

Wind

Gusty

13 mph · gust 47 · E

Temperature

Cooler

-25.0°F over 72h75–34°F range

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

Nearby waters

Twin Sloughs· Clark County, SD
Reid Lake· Clark County, SD
Baileys Lake· Clark County, SD
Sweetwater Lake· Day County, SD
Warner Lake· Codington County, SD
Lake Nicholson· Codington County, SD

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