Rend Lake

Rend Lake

Benton, IL

71°F
67°
8 mph69°/56°

Right Now

67°

Cloudy

Water

71°

Wind

8 mph

NNE

Gusts

14 mph

Pressure

30.10

falling

Forecast - Thu, May 21

7am
56°
10am
62°
1pm
68°
4pm
69°

High / Low

69° / 56°

Wind

9 mph

gusts 19 mph

Precip

0%

UV

4

Sunrise

10:40 AM

Sunset

1:04 AM

Today Read

Rend Lake

Wind read

Calm

9 mph avg

Water read

71°

Warm-water bite

Air range

56° / 69°

today

Precip

0%

low concern

Today's forecast for Rend Lake has calm wind, 56F to 69F air temperatures, 0% chance of precipitation, and 71F water.

AI lake plannerGreen lightChecking questions

Ask what to do at Rend Lake today.

The planner reads this page's water temp, forecast, fish species, solunar timing, reports, and imagery context so you can decide what to throw, when to go, and when to move.

Today's AI read

Warm-water pattern for Largemouth bass / White crappie

74 confidence

Warm water pushes the plan toward oxygen, shade, depth changes, and low light. Wind is not the main constraint, so timing and presentation can drive the plan. Check the solunar window against hourly wind and light.

Uses this lake data

Current water temp: 71°FWater temp history: 472 readingsHourly weather: 224 hoursSolunar timing: 3/5Fish species: 10 listedSatellite imagery: 304 captures

Trip read from the AI planner

Fishing Forecast

waxing crescent

3/5

Major

10:26 PM - 12:56 AM

Minor

3:03 PM - 4:33 PM

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May 17, 2026

Fish Species

10

Water Temperature History

Current

78°

May 31

Low

33°

Dec 7

Average

62°

Last 12 Months

Warmest avg: July (84°F)

Coolest avg: December (33°F)

Rapid warming: FebruaryMarch (+12°F)

Sharpest cooling: OctoberNovember (-22°F)

Weather Forecast

Wind speed, gusts, and pressure trends for trip timing.

Hourly Wind Forecast

21

12am - 11pm

Wind SpeedWind Gust
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Peak Wind

10 mph

9am

Peak Gust

19 mph

highest gust

Pressure

30.12 inHg

steady

Visibility

11 mi

98% clouds

Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days

Daily Pressure Forecast

Pressure
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Nearby Lakes

FAQ

About Rend Lake

Rend Lake covers 18899.00 acres (29.53 square miles) with a maximum depth of 10.67 meters (~35 feet).

Rend Lake is located in Benton, Franklin County, IL. It is accessible to the public for outdoor activities.