Piyas Lake

Marshall County, SD

MAYBEConfidence · 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
Main risk
a front passing through

MAYBE on Piyas 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).

Next forecast window
MAYBE

Tue · Oct 27, 6 AM → 10 AM (America/Chicago)

Full read

The latest cached fishing-weather read for Piyas Lake in Marshall County, SD is MAYBE. 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, while the main watch-out was a front passing through. Its cached forecast evidence included wind near 7 mph out of the northeast, gusting to 18 mph; surface pressure near 964 hPa on an unstable trend; 0.00 inches of rain; and air temperature near 37 °F with overcast dominant. Confidence in this cached read is medium; it was generated October 26, 2026, 9:30 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 October 26, 2026, 9:30 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
7mph

NE · gust 18

Rain / Weather
0in

Overcast

Temp
37°F

3°C · hum 92%

Pressure
28.47inHg

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
    37° / 36°F
    7 mph · NEgust 22
    0.40 in
    ↓ -7.0 hPa
  2. Tue · Oct 27
    6 AM → 10 AM
    MAYBE
    A front passing through
    46° / 34°F
    5 mph · Egust 24
    0.10 in
    ↓ -10.9 hPa
  3. Wed · Oct 28
    7 PM → 11 PM
    MAYBE
    A front passing through
    55° / 46°F
    6 mph · Ngust 34
    0.29 in
    ↑ +3.2 hPa
  4. Thu · Oct 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    57° / 41°F
    6 mph · NWgust 12
    0.00 in
    ↑ +6.8 hPa
  5. Fri · Oct 30
    4 AM → 8 AM
    MAYBE
    A front passing through
    50° / 37°F
    7 mph · NEgust 29
    0.00 in
    ↓ -0.7 hPa
  6. Sat · Oct 31
    5 PM → 9 PM
    MAYBE
    A front passing through
    57° / 45°F
    7 mph · SEgust 30
    0.01 in
    ↓ -7.8 hPa
  7. Sun · Nov 1
    4 AM → 8 AM
    MAYBE
    A front passing through
    63° / 48°F
    7 mph · Sgust 27
    0.02 in
    ↓ -3.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+18.1 hPa over 72h
Rain
Light rain
0.38 in totallast 72h
Wind
Gusty
12 mph · gust 47 · SW
Temperature
Cooler
-23.9°F over 72h73–32°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.