Rathbun Lake: Fishing Spots, Map, and Regulations
Iowa, US
- PlacePublic
- WaterFresh
- Clarity-
- Depth48 ft.
Considered as one of the largest lakes in Iowa, Rathbun Lake is a year-round fishing destination, providing such species as walleye, bluegill, catfish and bass. This man-made lake has different recreational activities like fishing, boating and camping.
Rathbun Lake fishing map
Discover the Rathbun Lake fishing map to explore key locations and best fishing spots in Iowa, United States, including the area around 40°51'33.8"N 92°58'34.9"W.
Hot spots on Rathbun Lake🔥
Explore the best fishing spots proven by local anglers.
Rathbun Lake weather conditions
With the Rathbun Lake weather forecast, analyze temperature trends, wind conditions, humidity, and potential precipitation to choose the best time for fishing.
Monitor real-time weather updates to avoid unfavorable conditions and increase your chances of a successful catch.
Monitor real-time weather updates to avoid unfavorable conditions and increase your chances of a successful catch.
Sat
S
6
Sun
S
7
Mon
M
8
Tue
T
9
Wed
W
10
Thu
T
11
Fri
F
12
Weather
Hourly weather
Weather forecast, as of 02:04
0°C
Light rain overnight
Max / Min
1°/-4°
Wind
3 m/s
Humidity
84 %
Pressure
1013 hPa
Hourly weather
Today
Fishing forecast for Rathbun Lake, Iowa
Check out today's Rathbun Lake fishing forecast and find the best time to go fishing.
Analyze key factors like atmospheric pressure, wind conditions, and moon phases to plan your fishing trip effectively.
Analyze key factors like atmospheric pressure, wind conditions, and moon phases to plan your fishing trip effectively.
Today, December 6
30%
SCORE
The bites are poor now
night
morning
afternoon
evening
0
20
40
60
80
100
30%
26%
77%
68%
06:00
12:00
18:00
Factors influencing fish activity
Positive factors
•
Stable, comfortable for fish atmospheric pressure
•
Cloudy weather has a favorable impact on biting activity
•
Light winds have a very favorable effect on biting activity
Negative factors
•
Frequent changes in wind direction negatively affect fish activity
•
An unfavorable moon phase for catching fish
Fish species to catch in the Rathbun Lake, Iowa, United States (10)
Before your next fishing trip, check the latest Rathbun Lake fishing regulations for Iowa.
There are countless Rathbun Lake fish species to lure and explore on your next fishing trip. Every fish has its own set of rules and requirements that you must follow. Each fish species is subject to unique regulations, including fishing seasons, size limits, possession limits, etc.
Explore the current fishing regulations for Black crappie, Blue catfish, Bluegill, and others as of December 6, 2025, to ensure you comply with the latest rules. Please select your preferred species from the list to view regulations for different fish species.
There are countless Rathbun Lake fish species to lure and explore on your next fishing trip. Every fish has its own set of rules and requirements that you must follow. Each fish species is subject to unique regulations, including fishing seasons, size limits, possession limits, etc.
Explore the current fishing regulations for Black crappie, Blue catfish, Bluegill, and others as of December 6, 2025, to ensure you comply with the latest rules. Please select your preferred species from the list to view regulations for different fish species.
💡 Fishing Tips & Tricks on Rathbun Lake
- •The minimum length limit for black bass on Rathbun Lake is 15 inches.
- •The combined daily limit for catfishes on Rathbun Lake is 15 fish.
- •The daily bag limit for walleye is 5 fish with the minimum length limit of 15 inches.
- •Night fishing is productive for Rathbun Lake.
Fishing regulation in Iowa, United States
Regulations vary by location. Check the rules for your fish to stay informed and prepared for fishing.
Check the regulation for your fish.