Fishing Report
J M Reservoir Fishing Report
Van Tassell, WY
Lake conditions
J M Reservoir — 2026-11-11
Conditions overviewToday's conditions at this lake, computed from live weather and the moon.
- Season
- Fall
- Moon
- 5% illuminated, waxingWaxing Crescent
- Est. surface temp
- 55.4°F
- Pressure
- 30.26 inHgStable
Est. water temp
55.4°F
v1 estimate from air temperature — not a sensor reading
Air vs. last week
1°F cooler
30°F now vs 31°F this time last week
Measured air temperature at the nearest weather station — not water
Sun & moon
- Sunrise
- 6:43 AM
- Sunset
- 4:38 PM
- Moonrise
- 9:25 AM
- Moonset
- 5:53 PM
Sky, wind & pressuremidday · 12 PM
- Cloud cover
- 5%
- Precip chance
- 0%
- Wind
- 10 mph WNW
- Pressure
- 30.26 inHg Stable
Today's solunar periods
- Major: 12:14 AM–2:14 AM
- Minor: 8:55 AM–9:55 AM
- Major: 12:40 PM–2:40 PM
- Minor: 5:23 PM–6:23 PM
No bite score appears for this lake because no fish species is on record for it yet.
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Modeled from National Weather Service data, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.
42.491633, -104.358838
Est. water temp
55.4°F
v1 estimate from air temperature — not a sensor reading
Species on record
No species on record yet for this lake.
Suggest a species for this lake →Location
J M Reservoir · 42.4916, -104.3588
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Nearby
Other lakes nearby
FAQ
Common questions
What fish are in J M Reservoir?
No fish species have been recorded for J M Reservoir yet. Check the live conditions to plan a trip on the surrounding water.
When's the best time to fish J M Reservoir?
No species are modeled for J M Reservoir yet, so there's no species-specific feeding window to name. The score still gives the light window 30% of its total, an input Bitespan grades "Well supported". Check today's bite forecast for J M Reservoir to see the best window for current conditions.
Where is J M Reservoir?
J M Reservoir is near Van Tassell, WY, at 42.4916, -104.3588.
Plan your trip to J M Reservoir
Get the hour-by-hour bite forecast and the best times to fish J M Reservoir, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.