
Lake McConaughy
Lake McConaughy, affectionately known as "Big Mac," is a colossal testament to the grandeur of nature and one of Nebraska's most magnificent treasures. Stretching across a staggering 30,000 surface acres, Lake McConaughy stands as the largest reservoir in Nebraska, a natural wonder where size knows no bounds. A Marvel of Engineering: The heart of this aquatic giant is its dam, a colossal structure that ranks among the largest of its kind on the global stage. The dam's immense presence is a testament to human ingenuity and the will to harness the raw power of nature for the benefit of communities and ecosystems alike. Fishing Extravaganza: Lake McConaughy has long been celebrated as a premier fishing destination, beckoning anglers from across the nation. Its cool, clear waters host a diverse array of game fish species, including walleye, channel catfish, Northern pike, wiper, smallmouth bass, and white bass. Many of these aquatic denizens have grown to trophy proportions, with several state records proudly attributed to the waters of Big Mac. For anglers' convenience, the area boasts three fish cleaning stations strategically located at Martin Bay, Otter Creek, and Cedar View. Boating Paradise: Lake McConaughy's vast expanse offers a haven for water enthusiasts of all kinds. Whether you're into the thrill of water skiing and tubing, the serenity of sail boating, or the soaring adventure of parasailing, Big Mac has it all. You can bring your own boat or personal watercraft, or choose to rent one from a private outfitter. With numerous boat ramps equipped with docks scattered around the lake, your aquatic adventures are only a launch away. Should you have questions about ramp availability, the Visitor's Center is your friendly point of contact. Lake Ogallala and Serenity: When the winds are less forgiving for water recreation at Big Mac, Lake Ogallala awaits below the dam. Often sheltered from the gusts, it provides a tranquil alternative. Some of Lake McConaughy's bays also remain surprisingly calm, even on the windiest afternoons, offering pockets of serenity amidst the grandeur of the lake. A Paradise Awaits: Lake McConaughy, with its breathtaking scale and abundant recreational opportunities, stands as an iconic destination in Nebraska. Whether you're an angler seeking the next big catch, a boating enthusiast ready to set sail, or simply a nature lover seeking the awe-inspiring beauty of a vast reservoir, Big Mac has it all. Explore this aquatic paradise and uncover the wonders of Lake McConaughy, a Nebraska gem that proudly showcases the grandeur of the natural world.
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Lake McConaughy
Lake McConaughy, affectionately known as "Big Mac," is a colossal testament to the grandeur of nature and one of Nebraska's most magnificent treasures. Stretching across a staggering 30,000 surface acres, Lake McConaughy stands as the largest reservoir in Nebraska, a natural wonder where size knows no bounds. A Marvel of Engineering: The heart of this aquatic giant is its dam, a colossal structure that ranks among the largest of its kind on the global stage. The dam's immense presence is a testament to human ingenuity and the will to harness the raw power of nature for the benefit of communities and ecosystems alike. Fishing Extravaganza: Lake McConaughy has long been celebrated as a premier fishing destination, beckoning anglers from across the nation. Its cool, clear waters host a diverse array of game fish species, including walleye, channel catfish, Northern pike, wiper, smallmouth bass, and white bass. Many of these aquatic denizens have grown to trophy proportions, with several state records proudly attributed to the waters of Big Mac. For anglers' convenience, the area boasts three fish cleaning stations strategically located at Martin Bay, Otter Creek, and Cedar View. Boating Paradise: Lake McConaughy's vast expanse offers a haven for water enthusiasts of all kinds. Whether you're into the thrill of water skiing and tubing, the serenity of sail boating, or the soaring adventure of parasailing, Big Mac has it all. You can bring your own boat or personal watercraft, or choose to rent one from a private outfitter. With numerous boat ramps equipped with docks scattered around the lake, your aquatic adventures are only a launch away. Should you have questions about ramp availability, the Visitor's Center is your friendly point of contact. Lake Ogallala and Serenity: When the winds are less forgiving for water recreation at Big Mac, Lake Ogallala awaits below the dam. Often sheltered from the gusts, it provides a tranquil alternative. Some of Lake McConaughy's bays also remain surprisingly calm, even on the windiest afternoons, offering pockets of serenity amidst the grandeur of the lake. A Paradise Awaits: Lake McConaughy, with its breathtaking scale and abundant recreational opportunities, stands as an iconic destination in Nebraska. Whether you're an angler seeking the next big catch, a boating enthusiast ready to set sail, or simply a nature lover seeking the awe-inspiring beauty of a vast reservoir, Big Mac has it all. Explore this aquatic paradise and uncover the wonders of Lake McConaughy, a Nebraska gem that proudly showcases the grandeur of the natural world.
Read more detailsCurrent Conditions
Water Temperature
Current water temperature for Lake McConaughy is 46°F.
Current Snapshot
Forecast: Friday, May 2
MostlyClear
Hourly Insights
Temperature
Precipitation
Wind
Sun, Moon & UV
Solunar Fishing Forecast
Todays action is rated a 3 (scale is 0 thru 5, 5 is the best)
11:17 PM - 1:47 AM
9:09 AM - 11:39 AM
3:14 PM - 4:44 PM
6:26 AM - 7:56 AM
Outlook for Friday at Lake McConaughy
Expect temperatures ranging from 37°F to 59°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 11 mph, with potential gusts reaching up to 30 mph. The maximum UV index will be 7 (High), so plan sun protection accordingly. For anglers, today's fishing action is rated 3/5 (Todays action is rated a 3 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 11:17 PM and 9:09 AM, or try the minor windows near 3:14 PM and 6:26 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Lake McConaughy.
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Lake Information
Common Fish Species
Nearby Lakes
Water Temperature History
Trends for Lake McConaughy
Current Temp
Latest recorded surface temperature.
Lowest in Period
34°F
On Jan 22
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 (77°F).
- Coolest avg: February (34°F).
- Rapid warming often occurs: May → June (+14°F).
- Sharpest cooling trend: September → October (-12°F).
Weather Forecast
Wind speed and pressure trends
Hourly Wind Forecast
Wind Direction
312°
Pressure
1019 mb
Cloud Cover
15%
Visibility
13 miles
Daily Pressure Forecast


Frequently Asked Questions About Lake McConaughy
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