Alkali Lake

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

Next forecast window
MAYBE

Fri · Sep 11, 6 AM → 10 AM (America/Chicago)

Full read

The latest cached fishing-weather read for Alkali Lake in McPherson 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 south, gusting to 12 mph; surface pressure near 947 hPa on a rising trend; 0.00 inches of rain; and air temperature near 63 °F with clear dominant. Confidence in this cached read is medium; it was generated September 10, 2026, 1:19 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, 1:19 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

S · gust 12

Rain / Weather
0in

Clear

Temp
63°F

17°C · hum 68%

Pressure
27.96inHg

Rising

7-Day Fishing Forecast

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

  1. Thu · Sep 10
    Window passed
    MAYBE
    A front passing through
    81° / 50°F
    7 mph · Sgust 21
    0.00 in
    ↓ -11.7 hPa
  2. Fri · Sep 11
    6 AM → 10 AM
    MAYBE
    A front passing through
    81° / 61°F
    7 mph · Sgust 35
    0.00 in
    ↓ +2.1 hPa
  3. Sat · Sep 12
    6 PM → 10 PM
    MAYBE
    A front passing through
    66° / 50°F
    7 mph · NWgust 30
    0.00 in
    ↑ +10.6 hPa
  4. Sun · Sep 13
    4 AM → 8 AM
    MAYBE
    A front passing through
    63° / 50°F
    9 mph · NEgust 25
    0.06 in
    ↓ -2.9 hPa
  5. Mon · Sep 14
    9 AM → 1 PM
    MAYBE
    A front passing through
    73° / 54°F
    6 mph · SWgust 34
    0.20 in
    ↓ -1.3 hPa
  6. Tue · Sep 15
    6 AM → 10 AM
    MAYBE
    A front passing through
    66° / 45°F
    7 mph · NWgust 29
    0.00 in
    ↑ +9.6 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    70° / 50°F
    7 mph · Egust 16
    0.00 in
    ↓ -1.1 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+5.4 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
12 mph · gust 41 · W
Temperature
Cooler
-9.7°F over 72h77–55°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.