Loading page content…
Loading page content…
Loading lake conditions…
Jamestown Reservoir is a reservoir in North Dakota. Fish documented in the area include Northern Pike, Walleye, Yellow Perch, and Black Crappie. The water surface spans about 2,095 acres, making it a mid-sized body of water. A nearby water gauge supplies level and temperature readings where available. The page brings together an hourly and 7-day forecast, wind and gust outlook, water readings, fishing conditions, and activity scores for boating, paddling, and swimming. Nearby alternatives include Lake Ashtabula. Current weather, wind, and activity conditions for Jamestown Reservoir are updated throughout the day.
Updated
Latest source update is older than expected. Use caution and check the official source.
The last automated check (Oct 11, 12:47 AM CDT) found no active alerts for this lake, but that check is older than LakeRadar's alert freshness window, so the current alert status could not be confirmed.
Confirm before heading out: official alerts for this area or weather.gov/alerts. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
Overall Good (89/100) across 4 activities. Best right now: Sailing (97/100).
How the score is calculated →Best good fishing window, averaging 78/100 across these hours. Dawn hours (07:00 local). 15% chance of precipitation. Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 55° | 54° | 53° | 52° | 50° | 49° | 48° | 48° | 49° | 51° | 52° | 53° | 53° | 54° | 54° | 54° | 54° | 53° | 52° | 50° | 48° | 47° | 46° | 45° |
| Wind (kts) | 9 | 11 | 11 | 12 | 13 | 14 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 12 | 11 |
| Direction | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
| Gusts (kts) | 11 | 12 | 13 | 16 | 21 | 22 | 22 | 22 | 23 | 23 | 24 | 23 | 23 | 23 | 24 | 23 | 23 | 22 | 21 | 21 | 21 | 20 | 19 | 17 |
| Precip % | 3% | 5% | 7% | 8% | 13% | 16% | 15% | 15% | 21% | 24% | 24% | 24% | 22% | 20% | 22% | 23% | 20% | 17% | 18% | 19% | 18% | 17% | 17% | 18% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 1 AM CDT | 55°F | 10 mph N (0°) | 13 mph | 3% | 34% | Partly Cloudy |
| Sun, 2 AM CDT | 54°F | 13 mph N (0°) | 14 mph | 5% | 56% | Mostly Cloudy |
| Sun, 3 AM CDT | 53°F | 13 mph N (0°) | 15 mph | 7% | 66% | Mostly Cloudy |
| Sun, 4 AM CDT | 52°F | 14 mph N (0°) | 18 mph | 8% | 81% | Mostly Cloudy |
| Sun, 5 AM CDT | 50°F | 15 mph N (0°) | 24 mph | 13% | 86% | Mostly Cloudy |
| Sun, 6 AM CDT | 49°F | 16 mph N (0°) | 25 mph | 16% | 91% | Slight Chance Rain Showers |
| Sun, 7 AM CDT | 48°F | 15 mph N (0°) | 25 mph | 15% | 96% | Slight Chance Rain Showers |
| Sun, 8 AM CDT | 48°F | 16 mph N (0°) | 25 mph | 15% | 96% | Slight Chance Rain Showers |
| Sun, 9 AM CDT | 49°F | 16 mph N (0°) | 27 mph | 21% | 96% | Slight Chance Rain Showers |
| Sun, 10 AM CDT | 51°F | 16 mph N (0°) | 27 mph | 24% | 96% | Slight Chance Rain Showers |
| Sun, 11 AM CDT | 52°F | 17 mph N (0°) | 28 mph | 24% | 96% | Slight Chance Rain Showers |
| Sun, 12 PM CDT | 53°F | 17 mph N (0°) | 27 mph | 24% | 96% | Slight Chance Rain Showers |
| Sun, 1 PM CDT | 53°F | 17 mph N (0°) | 27 mph | 22% | 96% | Slight Chance Rain Showers |
| Sun, 2 PM CDT | 54°F | 17 mph N (0°) | 27 mph | 20% | 96% | Slight Chance Rain Showers |
| Sun, 3 PM CDT | 54°F | 17 mph N (0°) | 28 mph | 22% | 96% | Slight Chance Rain Showers |
| Sun, 4 PM CDT | 54°F | 17 mph N (0°) | 27 mph | 23% | 96% | Slight Chance Rain Showers |
| Sun, 5 PM CDT | 54°F | 17 mph N (0°) | 27 mph | 20% | 96% | Slight Chance Rain Showers |
| Sun, 6 PM CDT | 53°F | 16 mph N (0°) | 25 mph | 17% | 96% | Slight Chance Rain Showers |
| Sun, 7 PM CDT | 52°F | 15 mph N (0°) | 24 mph | 18% | 96% | Slight Chance Rain Showers |
| Sun, 8 PM CDT | 50°F | 15 mph N (0°) | 24 mph | 19% | 97% | Slight Chance Rain Showers |
| Sun, 9 PM CDT | 48°F | 15 mph N (0°) | 24 mph | 18% | 98% | Slight Chance Rain Showers |
| Sun, 10 PM CDT | 47°F | 15 mph N (0°) | 23 mph | 17% | 99% | Slight Chance Rain Showers |
| Sun, 11 PM CDT | 46°F | 14 mph N (0°) | 22 mph | 17% | 99% | Slight Chance Rain Showers |
| Mon, 12 AM CDT | 45°F | 13 mph N (0°) | 20 mph | 18% | 99% | Slight Chance Rain Showers |
| Mon, 1 AM CDT | 45°F | 12 mph N (0°) | 18 mph | 22% | 99% | Slight Chance Rain Showers |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | Overnight October 11, 2026 | Sunday October 11, 2026 | Sunday Night October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 48° | 57° | 40° | 52° | 37° | 52° | 36° | 57° | 37° | 58° | 36° | 52° | 31° | 57° |
| Wind | N 10 to 15 mph | N 17 mph | N 12 to 16 mph | N 14 mph | N 9 to 13 mph | NW 8 mph | NW 2 to 6 mph | N 3 to 7 mph | SE 6 mph | SW 6 to 14 mph | NW 10 to 18 mph | NW 14 to 20 mph | NW 7 to 10 mph | SW 7 to 16 mph |
| Gusts | 24 mph | 28 mph | 25 mph | 22 mph | 21 mph | 15 mph | 9 mph | 13 mph | 10 mph | 23 mph | 28 mph | 31 mph | 16 mph | 22 mph |
| Precip % | 13% | 24% | 26% | 76% | 76% | 9% | 5% | 6% | 20% | 40% | 40% | 23% | 12% | 3% |
| Forecast |
Good for fishing (84/100), from 5 available inputs. Supporting this: Wind 10 mph from the north. Sky is partly cloudy (34% cloud cover). Not available from a verified source for this lake: pressure trend, water temperature. Confidence is moderate (74%) because some inputs are unavailable or older than ideal.
Excellent for boating (90/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 10 mph from the north. Not available from a verified source for this lake: visibility and conditions, verified water access. Confidence is moderate (84%) because some inputs are unavailable or older than ideal.
Excellent for sailing (97/100), from 4 available inputs. Supporting this: Wind 10 mph from the N is in the preferred sailing range. Gusts are within 3 mph of sustained wind, so the breeze is steady. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Good for kayaking (88/100), from 5 available inputs. Supporting this: Wind 10 mph from the north. Gusts to 13 mph. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
Loading interactive map…
Individual boat ramp GPS coordinates are maintained under the jurisdiction of ND Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Jamestown Reservoir is an important freshwater reservoir in ND, overseen by state and local natural resource agencies to balance public recreation with natural resource stewardship. The waterbody offers excellent conditions for sport fishing, cruising, and paddling during favorable weather windows. Checking real-time water levels and ramp clearances ensures safe navigation along the shoreline.
Valid freshwater sport fishing license issued by North Dakota Game and Fish Department is required for anglers age 16+. Digital license on mobile is accepted.
Current motorized watercraft registration mandatory. Practice Clean, Drain & Dry protocols: drain all livewells and inspect props before launching. Life jackets required for all passengers.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include Northern Pike, Walleye, Yellow Perch, Black Crappie. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
Northern cold winter conditions with freezing air temperatures and potential surface ice formation. Ramps and water systems may be winterized. Confirm open status before visiting.
No external source rows are cited by the data currently shown on this page.
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for Jamestown Reservoir is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 1:42 AM CDT