Flat Creek Lake

Perkins County, SD

MAYBEConfidence · 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
Main risk
a front passing through

MAYBE on Flat Creek 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, 4 AM → 8 AM (America/Denver)

Full read

The latest cached fishing-weather read for Flat Creek Lake in Perkins 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 4 mph out of the west, gusting to 14 mph; surface pressure near 933 hPa on a rising trend; 0.00 inches of rain; and air temperature near 64 °F with clear dominant. Confidence in this cached read is low; it was generated September 10, 2026, 1:24 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, 1:24 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
4mph

W · gust 14

Rain / Weather
0in

Clear

Temp
64°F

18°C · hum 39%

Pressure
27.55inHg

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
    88° / 45°F
    4 mph · Wgust 19
    0.00 in
    ↓ -13.6 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    MAYBE
    A front passing through
    81° / 59°F
    6 mph · NEgust 34
    0.01 in
    ↑ +9.3 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    64° / 54°F
    6 mph · NWgust 24
    0.00 in
    ↑ +3.5 hPa
  4. Sun · Sep 13
    4 PM → 8 PM
    SKIP
    Extreme gusts
    57° / 48°F
    16 mph · Egust 33
    0.22 in
    ↓ -6.3 hPa
  5. Mon · Sep 14
    5 AM → 9 AM
    MAYBE
    A front passing through
    68° / 52°F
    7 mph · SWgust 33
    0.20 in
    ↑ +8.3 hPa
  6. Tue · Sep 15
    5 AM → 9 AM
    MAYBE
    A front passing through
    59° / 46°F
    7 mph · NWgust 20
    0.00 in
    ↑ +3.5 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    68° / 48°F
    4 mph · SEgust 19
    0.00 in
    ↓ +0.5 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+10.0 hPa over 72h
Rain
Dry stretch
0.03 in totallast 72h
Wind
Gusty
12 mph · gust 39 · NW
Temperature
Cooler
-17.6°F over 72h91–50°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.