Red Rock Reservoir

Red Rock Reservoir

Knoxville, Marion County, IA
24mi²
219.00ft
Directions
Lake Information

Nestled in the scenic beauty of Marion County, Iowa, the expansive Red Rock Reservoir stands as a captivating testament to nature's grandeur. Covering an impressive 15,250 acres, this reservoir is a haven for outdoor enthusiasts and anglers alike. Its diverse and thriving aquatic ecosystem hosts a wide array of fish species, making it a sought-after destination for those seeking both recreational and ecological treasures. Red Rock Reservoir boasts an impressive list of fish species, catering to the varied preferences of anglers. From the majestic Bigmouth Buffalo to the popular Black Crappie, Bluegill, Channel Catfish, and the elusive Northern Pike, there's no shortage of excitement awaiting those who cast their lines into its waters. Whether you're pursuing the thrill of landing a trophy Largemouth Bass or the challenge of hooking a Walleye, Red Rock Reservoir offers a well-rounded fishing experience. The reservoir's rich aquatic biodiversity extends to species like Common Carp, Flathead Catfish, Freshwater Drum, River Carpsucker, Shortnose Gar, White Bass, White Crappie, White Sucker, and the hybrid Striped Bass known as the Wiper. This diversity ensures that every angler, from novices to seasoned veterans, can find their ideal catch amidst the tranquility of Red Rock Reservoir's waters. Beyond its recreational allure, the reservoir serves as a vital resource for the region, providing water for various purposes, including irrigation, flood control, and municipal use. Its picturesque shoreline, framed by rolling hills and woodlands, invites visitors to explore the natural wonders of Marion County. Red Rock Reservoir stands as a testament to the harmonious coexistence of human activity and the preservation of natural beauty, offering a serene escape into the heart of Iowa's landscapes.

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Current Conditions

64°F°
Feels like 60°F°
Cloudy
Today's High
65°F°
Today's Low
46°F°

Water Temperature

60°F
Updated: (Apr 28)
Sign in to contribute temps.

Current water temperature for Red Rock Reservoir is 60°F.

Current Snapshot

Wind7 mph NNW (Gust 10 mph)
Pressure
30.06 inHg
Visibility38 mi
Humidity29%
Cloud Cover100%

Forecast: Wednesday, Apr 30

Day 1 of 9

Hourly Insights

7 AM
47°F°
10 AM
59°F°
27%
1 PM
64°F°
4 PM
65°F°
6%

Temperature

High
65°F°
Low
46°F°

Precipitation

Chance34%
Amount0.15"
Typerain

Wind

8mph
Avg Speed
Gusts up to
19mph
CalmModerateStrong
Max Speed13 mph

Sun, Moon & UV

Sunrise11:10 AM
Sunset1:09 AM
Moon PhasewaxingCrescent
Max UV Index4 (Moderate)

Solunar Fishing Forecast

Action Rating
2/5

Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

8:38 PM - 11:08 PM

7:39 AM - 10:09 AM

Minor Times (Good)

12:26 PM - 1:56 PM

5:00 AM - 5:00 AM

Outlook for Wednesday at Red Rock Reservoir

Expect temperatures ranging from 46°F to 65°F. There's a 34% chance of rain, potentially bringing around 0.15" rain. Winds will be averaging 8 mph, with potential gusts reaching up to 19 mph. The maximum UV index will be 4 (Moderate), so plan sun protection accordingly. For anglers, today's fishing action is rated 2/5 (Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 8:38 PM and 7:39 AM, or try the minor windows near 12:26 PM and 5:00 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Red Rock Reservoir.

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April 29th 2025

Lake Information

Elevation
219 ft
Area
24 mi²
Coordinates
41.404, -93.100

Weather Forecast

Wednesday

65°F
46°F

Thursday

68°F
55°F

Friday

61°F
49°F

Saturday

66°F
45°F

Sunday

69°F
46°F

Monday

69°F
49°F

Tuesday

71°F
51°F

Wednesday

77°F
56°F

Thursday

75°F
57°F
Wednesday - 4/30/2025
65°F
46°F
12am
50°F
60°F
30.10 hPa
2 mph
SE
G: 3 mph
2am
48°F
60°F
30.07 hPa
3 mph
ENE
G: 5 mph
4am
48°F
60°F
30.07 hPa
5 mph
E
G: 8 mph
6am
46°F
60°F
30.03 hPa
5 mph
E
G: 11 mph
8am
51°F
60°F
30.02 hPa
8 mph
E
G: 17 mph
10am
59°F
60°F
30.01 hPa
8 mph
ESE
G: 14 mph
12pm
63°F
60°F
29.98 hPa
12 mph
SE
G: 19 mph
2pm
65°F
60°F
29.93 hPa
13 mph
SE
G: 18 mph
4pm
65°F
60°F
29.87 hPa
11 mph
SE
G: 17 mph
6pm
62°F
60°F
29.85 hPa
10 mph
SE
G: 18 mph
8pm
60°F
60°F
29.82 hPa
9 mph
ESE
G: 16 mph
10pm
58°F
60°F
29.82 hPa
9 mph
ESE
G: 16 mph

Water Temperature History

Trends for Red Rock Reservoir

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

33°F

On Feb 16

Coldest point in the Last 12 Months.

Average in Period

51°F

Typical temp during the Last 12 Months.

Temperature Trend: Last 12 Months

Surface temperature over the selected period.

Key Observations (Last 12 Months)

  • Warmest avg: July (76°F).
  • Coolest avg: February (35°F).
  • Rapid warming often occurs: March → April (+13°F).
  • Sharpest cooling trend: September → October (-13°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm05101520

Wind Direction

140°

Pressure

1019 mb

Cloud Cover

21%

Visibility

23 miles

Daily Pressure Forecast

WedThuFriSatSunMonTueWedThu0.008.8617.7226.5835.44
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Frequently Asked Questions About Red Rock Reservoir

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