Letcher Lake

Sanborn County, SD

MAYBEConfidence · Medium
Best bite window
Sat · Sep 12, 7 PM → 11 PM (America/Chicago)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Letcher 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).

Full read

The current fishing-weather read for Letcher Lake in Sanborn County, SD is MAYBE, with the best four-hour window on Sat, Sep 12 from 7 PM to 11 PM (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 7 mph out of the northeast, gusting to 16 mph, surface pressure near 970 hPa on a rising trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 68 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated September 10, 2026, 1:21 PM 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 September 10, 2026, 1:21 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

NE · gust 16

Rain / Weather
0in

Overcast

Temp
68°F

20°C · hum 34%

Pressure
28.64inHg

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° / 54°F
    9 mph · Sgust 24
    0.00 in
    ↓ -9.7 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    MAYBE
    A front passing through
    93° / 64°F
    11 mph · Sgust 33
    0.00 in
    ↓ -3.8 hPa
  3. Sat · Sep 12
    7 PM → 11 PM
    MAYBE
    A front passing through
    79° / 61°F
    7 mph · NEgust 29
    0.00 in
    ↑ +11.3 hPa
  4. Sun · Sep 13
    4 AM → 8 AM
    MAYBE
    A front passing through
    63° / 55°F
    6 mph · Egust 30
    0.20 in
    ↓ -1.7 hPa
  5. Mon · Sep 14
    8 AM → 12 PM
    MAYBE
    A front passing through
    73° / 57°F
    5 mph · SWgust 40
    0.95 in
    ↑ +1.0 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    MAYBE
    A front passing through
    68° / 50°F
    7 mph · NWgust 29
    0.00 in
    ↑ +9.4 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    72° / 55°F
    6 mph · Egust 17
    0.00 in
    ↓ +0.3 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+4.8 hPa over 72h
Rain
Light rain
0.06 in totallast 72h
Wind
Gusty
11 mph · gust 35 · SW
Temperature
Cooler
-7.2°F over 72h84–59°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.