Bismarck, North Dakota sits at Missouri River and Lake Sakakawea, where local anglers mainly chase walleye, northern pike, sauger. The Missouri River through Bismarck holds walleye and sauger in the current breaks, and Lake Sakakawea to the north is the state's trophy walleye water where wind direction dictates the plan.
LureScore index · 2026-10-29
Fair · estimated 3% bite probability
49
Fair
Air temperature 2/8Pressure 11/14Temp. stability 4/10Pressure stability 1/8Wind 12/12Precipitation 8/8Season 4/8Signal Stable weather
The score combines air temperature, pressure level and stability, wind, rain, season and a short-range trend trigger. It is a timing aid — not a fish finder.
7-day outlook
Day
Index
Temp
Wind
Pressure
Sky
Today
2026-10-29
49 Fair
48° / 29°F
7 mph
30.18 inHg
Overcast
Tomorrow
2026-10-30
39 Poor
51° / 34°F
15 mph
30.21 inHg
Overcast
Saturday
2026-10-31
43 Poor
62° / 43°F
9 mph
30.03 inHg
Light drizzle
Sunday
2026-11-01
55 Fair
65° / 50°F
14 mph
29.91 inHg
Overcast
Monday
2026-11-02
41 Poor
60° / 55°F
13 mph
29.8 inHg
Drizzle
Tuesday
2026-11-03
52 Fair
55° / 39°F
21 mph
29.94 inHg
Dense drizzle
Wednesday
2026-11-04
66 Good
57° / 39°F
15 mph
29.88 inHg
Overcast
Daily highs/lows in °F, max wind in mph, mean sea-level pressure in inHg. Scores are computed per local forecast day.
Estimated water temperature · 2026-10-29
44°F
Calibrated on USGS gauges
6.9 °C, most likely between 3.6 and 10.3 °C (about 38–51 °F). A modelled estimate for the water around Bismarck on 2026-10-29, not a gauge reading.
Days of record 7Air-temp lag 0.72Season term -0.68 °CValidated error ≈2.0 °C / 3.5 °F
Built from the last 7 days of daily mean air temperature (weighted toward recent days), a seasonal phase term, and coefficients fitted against 55 USGS gauges across 171,799 daily records; leave-one-station-out error is 1.96 °C. Large reservoir releases, spring-fed reaches, deep pools and tidal water can sit well outside this range. Water temperature tells you how actively fish are likely to feed — it does not tell you where they are. How this estimate works →
Model baseline_v1.0 · coefficients usgs_v1_20261022 (55 stations, fitted 2026-10-22)
Weather data by Open-Meteo.com (CC BY 4.0). Index scores and water-temperature estimates are our own derivation from that data.
What to target around Bismarck
Missouri River Lake Sakakawea
Walleye Northern pike Sauger
The Missouri River through Bismarck holds walleye and sauger in the current breaks, and Lake Sakakawea to the north is the state's trophy walleye water where wind direction dictates the plan. The table above recomputes the index for each of the next seven days from that day's forecast, so you can time an outing to the strongest window instead of fishing the calendar.
Autumn brings cooling water and aggressive feeding ahead of winter — often the most consistent index readings of the year.
Today's best windows
05:30–08:30 — Morning window — the classic low-light feeding period.78
Windows are scored on the same model as the daily index. Sunrise and sunset edges are built into the schedule; the strongest mornings usually follow a stable or improving pressure trend.
Where should I fish near Bismarck?
The waters around Bismarck include Missouri River and Lake Sakakawea. The Missouri River through Bismarck holds walleye and sauger in the current breaks, and Lake Sakakawea to the north is the state's trophy walleye water where wind direction dictates the plan. Start with public access points on these systems, check local regs, and let the daily index above guide timing.
What fish species can I target around Bismarck?
The usual targets are Walleye, Northern pike and Sauger in and around Bismarck. Seasonal timing shifts the bite — the forecast table on this page is computed for the same weather signals that matter for these species.
Do I need a fishing license in North Dakota?
Yes — a North Dakota state fishing license is required for anglers 16 and older (saltwater and freshwater endorsements may differ). Buy one through the North Dakota state wildlife or natural-resources agency before you fish.
What is the best time of day to fish in Bismarck?
The index recommends the strongest windows printed under today's score — typically the low-light morning and evening windows. Sunrise and sunset edges are almost always worth more casts than midday, especially in the warmer months.
The LureScore index is an informational planning signal based on weather, not a guarantee of fish activity or a catch. Always follow local regulations.