Clear overhead with good moonlight, with steady pressure of wind from the SSE with the glass on the way up. Most of the action on Roundup Lake should come off shallow cover and weed edges. The day fishes best from morning through afternoon. Fish confidently and change only when the bites stop.
The bites are excellent now
Night
In Nebraska, Roundup Lake falls inside Garden County. The bank is 3,799 feet above sea level. At about 139 acres, a day is enough to walk the shoreline properly. There is roughly 2.1 miles of shoreline here, which is a short walk end to end. Alliance is the closest place, 34 miles off. Beyond it, Bridgeport at 36 miles and Bayard at 47 miles. The nearest boundary is a fair way off.
Depth is not on record here, which means reading the ground instead. A natural lake fishes on cover, and cover here means weed and timber. This is a lake, so the margins and the first drop matter most. County-wide records name common carp, white crappie, yellow perch and creek chub. It is the county picture; the agency list is water-specific. On Roundup Lake the first feature you find is usually worth a session.
On the long-term average, July reads 73°F and January reads 23°F. Winter closes the water for a while, and the reopening is worth catching. Ice-out usually falls in mid March, and the weeks after it fish hardest. Ice clears near mid March and comes back about early December in a typical year. Spring is short and heavy here; autumn is longer and steadier. The season on Roundup Lake rarely departs from it.
Who may fish here is not settled in anything we hold. It formed naturally, so levels move with rainfall rather than with a gate. Public mapping records no formal access here, so plan for a walk and soft ground. For the carp, bait a margin spot and sit on it; corn and bread still work. Where a permit is needed, the nearest town usually sells it. Some ground is open by custom rather than by right, so tread carefully. Mallard Arm, 0.8 miles away, makes the obvious fallback. Treat access at Roundup Lake as something to verify.
82%
The bites are excellent now
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 4.1 | 5.8 | 6 | 5.2 | 5.6 | 5.6 | 7 | 7.7 | 7.8 | 9.9 | 11.1 | 11.8 | 12.3 | 13 | 12.2 | 11.5 | 11 | 9.6 | 8.3 | 8.2 | 8.1 | 8.2 | 8.1 | 7.8 |
| 43° | 41° | 40° | 39° | 39° | 38° | 38° | 38° | 39° | 45° | 50° | 55° | 58° | 61° | 62° | 63° | 62° | 60° | 56° | 53° | 51° | 50° | 50° | 49° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 30.05 | 30.06 | 30.06 | 30.07 | 30.07 | 30.09 | 30.1 | 30.11 | 30.12 | 30.13 | 30.12 | 30.09 | 30.08 | 30.06 | 30.03 | 30.03 | 30.02 | 30.02 | 30.03 | 30.05 | 30.06 | 30.07 | 30.08 | 30.08 |
| 78 | 78 | 80 | 84 | 84 | 86 | 84 | 85 | 84 | 78 | 71 | 65 | 58 | 53 | 50 | 50 | 52 | 57 | 68 | 76 | 81 | 85 | 88 | 89 |
Sam
AI Fishing Assistant for Roundup Lake
Morning
Afternoon
Evening
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time