Lake Francis Case

Lake Francis Case

Pierre, Charles Mix County, SD
159mi²
409.00ft
Directions
Lake Information

Lake Francis Case is a stunningly beautiful man-made reservoir that stretches across the Missouri River in south-central South Dakota, United States. This vast expanse of water covers an area of approximately 102,000 acres and boasts a maximum depth of 140 feet. The lake is impounded by the Fort Randall Dam, which was built in the early 1950s to provide hydroelectric power and flood control. Today, Lake Francis Case is a popular destination for anglers, boaters, and outdoor enthusiasts of all kinds. The lake is home to a wide variety of fish species, including Walleye, Sauger, Northern Pike, Smallmouth Bass, Largemouth Bass, White Bass, Channel Catfish, Flathead Catfish, and Carp. Anglers flock to Lake Francis Case in search of trophy-sized fish, and the lake is renowned for its excellent fishing opportunities. In addition to fishing, the lake offers a wide range of recreational activities, including boating, water skiing, tubing, swimming, and camping. The shoreline of Lake Francis Case stretches for over 540 miles, providing ample space for visitors to relax and take in the stunning natural beauty of the area. The lake is surrounded by rugged hills and bluffs, and the shoreline is dotted with sandy beaches, rocky coves, and secluded bays. The lake's clear blue waters are perfect for swimming, and the sandy beaches provide the ideal place to soak up the sun. For those looking to explore the area further, there are plenty of hiking and biking trails in the surrounding hills and forests. Wildlife is abundant in the area, and visitors may spot Bald Eagles, White-tailed Deer, Wild Turkeys, Coyotes, and other animals. The lake also has several marinas and boat ramps, making it easy to launch boats and explore the lake's many nooks and crannies. Overall, Lake Francis Case is an incredible destination for anyone looking to experience the beauty of South Dakota's natural landscape. Its vast expanse of water, stunning shoreline, and abundant recreational opportunities make it a must-visit destination for outdoor enthusiasts of all kinds.

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Current Conditions

70°F°
Feels like 65°F°
MostlyCloudy
Today's High
67°F°
Today's Low
51°F°

Water Temperature

50°F
Updated: (Apr 30)
Sign in to contribute temps.

Current water temperature for Lake Francis Case is 50°F.

Current Snapshot

Wind11 mph SSE (Gust 14 mph)
Pressure
29.68 inHg
Visibility24 mi
Humidity49%
Cloud Cover79%

Forecast: Thursday, May 1

Day 1 of 9

Hourly Insights

7 AM
51°F°
10 AM
57°F°
1 PM
64°F°
4 PM
66°F°

Temperature

High
67°F°
Low
51°F°

Precipitation

Chance21%
Amount0.02"
Typerain

Wind

13mph
Avg Speed
Gusts up to
28mph
CalmModerateStrong
Max Speed17 mph

Sun, Moon & UV

Sunrise11:27 AM
Sunset1:36 AM
Moon PhasewaxingCrescent
Max UV Index6 (High)

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)

10:04 PM - 12:34 AM

8:21 AM - 10:51 AM

Minor Times (Good)

1:42 PM - 3:12 PM

5:24 AM - 6:54 AM

Outlook for Thursday at Lake Francis Case

Expect temperatures ranging from 51°F to 67°F. There's a 21% chance of rain, potentially bringing around 0.02" rain. Winds will be averaging 13 mph, with potential gusts reaching up to 28 mph. The maximum UV index will be 6 (High), 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 10:04 PM and 8:21 AM, or try the minor windows near 1:42 PM and 5:24 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Lake Francis Case.

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April 30th 2025

Lake Information

Elevation
409 ft
Area
159 mi²
Coordinates
43.071, -98.545

Weather Forecast

Thursday

67°F
51°F

Friday

62°F
46°F

Saturday

69°F
41°F

Sunday

71°F
45°F

Monday

73°F
47°F

Tuesday

67°F
52°F

Wednesday

67°F
49°F

Thursday

73°F
50°F

Friday

76°F
54°F
Thursday - 5/1/2025
67°F
51°F
12am
57°F
50°F
29.78 hPa
5 mph
WSW
G: 12 mph
2am
54°F
50°F
29.77 hPa
8 mph
WNW
G: 17 mph
4am
53°F
50°F
29.78 hPa
14 mph
NW
G: 27 mph
6am
51°F
50°F
29.82 hPa
13 mph
NW
G: 27 mph
8am
52°F
50°F
29.86 hPa
14 mph
NNW
G: 28 mph
10am
57°F
50°F
29.88 hPa
14 mph
NNW
G: 24 mph
12pm
62°F
50°F
29.87 hPa
15 mph
NW
G: 24 mph
2pm
66°F
50°F
29.86 hPa
16 mph
NW
G: 24 mph
4pm
66°F
50°F
29.84 hPa
15 mph
NW
G: 24 mph
6pm
65°F
50°F
29.84 hPa
13 mph
NW
G: 21 mph
8pm
61°F
50°F
29.86 hPa
9 mph
NW
G: 14 mph
10pm
55°F
50°F
29.91 hPa
9 mph
WNW
G: 19 mph

Water Temperature History

Trends for Lake Francis Case

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

33°F

On Jan 19

Coldest point in the Last 12 Months.

Average in Period

50°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 (78°F).
  • Coolest avg: February (34°F).
  • Rapid warming often occurs: April → May (+17°F).
  • Sharpest cooling trend: September → October (-15°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

Wind Direction

254°

Pressure

1008 mb

Cloud Cover

98%

Visibility

11 miles

Daily Pressure Forecast

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Frequently Asked Questions About Lake Francis Case

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