Williams 783 Reservoir
Stanley County, SD
MAYBE on Williams 783 Reservoir — 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).
The current fishing-weather read for Williams 783 Reservoir in Stanley County, SD is MAYBE, with the best four-hour window on Fri, Jul 24 from 11 PM to 3 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 7 mph out of the southwest, gusting to 16 mph, surface pressure near 945 hPa on a rising trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 81 °F, with a dominant forecast of clear. Confidence in this read is medium; it was generated July 23, 2026, 11:13 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.
Conditions at a glance
- Wind
- 7mph
SW · gust 16
- Rain / Weather
- 0in
Clear
- Temp
- 81°F
27°C · hum 36%
- Pressure
- 27.91inHg
Rising
7-Day Fishing Forecast
One read per day — the bite call, the window, the weather behind it
- MAYBEThu · Jul 23Now → 4 PMA front passing through72° / 63°F13 mph · Sgust 290.00 in↓ -4.3 hPa
- MAYBEFri · Jul 244 AM → 8 AMA front passing through97° / 64°F9 mph · SEgust 190.00 in↓ -7.7 hPa
- MAYBESat · Jul 254 AM → 8 AMA front passing through109° / 79°F5 mph · Wgust 350.00 in↓ -0.2 hPa
- MAYBESun · Jul 265 AM → 9 AMA front passing through113° / 81°F7 mph · Sgust 390.00 in↓ -7.1 hPa
- MAYBEMon · Jul 274 AM → 8 AMA front passing through108° / 79°F6 mph · Ngust 350.00 in↑ +4.9 hPa
- MAYBETue · Jul 284 AM → 8 AMA front passing through102° / 82°F9 mph · SEgust 240.02 in↓ +1.4 hPa
- MAYBEWed · Jul 299 AM → 1 PMA front passing through108° / 73°F7 mph · Wgust 260.03 in↓ -2.5 hPa
Last 3 days
Recent context — what just happened
Weather-only read. Confidence is capped until local water data or feedback exists.
Nearby waters
- Summit Reservoir· Lyman County, SD
- Post Lake· Sully County, SD
- Cottonwood Lake· Sully County, SD
- Mundt Lake· Sully County, SD
- Lake Oahe· Dewey County, SD
- Red Lake· Brule County, SD
Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.