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620–720 ft · OH🚗 Directions
Oak Openings Region west of Toledo — a globally rare oak savanna and sand prairie mosaic on former Lake Warren dune deposits. White oak, black oak, bur oak, pin oak, and scattered jack pine across open savanna. Designated a "Last Great Place" by The Nature Conservancy. Morels in the wet-woods bottoms; chanterelles and chicken-of-the-woods in oak woodlands; unique boletes in jack pine stands.
Updated Jul 13, 4:18 AM MT
# Oak Openings / NW Ohio – Tier A | July 13, 2026 You're sitting in a perfect post-rain sweet spot: 72°F soil, a full week of sustained moisture above threshold (0.29 VWC 7-day avg), and the moisture trigger locked in. That's why this rates Tier A—all 61 tracked species are viable right now across a truly rare breadth of ecological niches, from oak-specialist boletes to sand-dwelling stinkhorns unique to this region's dune ecology. The limiting factor is desiccation risk creeping in over the next 48–72 hours. You're not in danger *today*, but the clock is ticking. Precipitation input was modest (1.45" in 7 days, 1.82" in 14), which means this moisture pulse is finite. Focus on species that fruit aggressively when conditions shift: wine caps, oysters, and puffballs will pop *now*; chanterelles and milk caps will crater fast. Watch the next weather forecast obsessively. A dry, warm window will collapse the moisture profile and drop you to Tier B inside 3 days. If you see rain expected within 48 hours, hold position. If dry, hunt hard *today*. **Hot tip:** Hit your oak mazegill and banded mottlegill territories in the sandy understory at dawn—they're oak-opening specialists that disappear the moment soil VWC drops below 0.25, and you're above that threshold now but won't be by Wednesday.
Generated by Claude (Anthropic) from the structured weather, soil, and phenology data on this page. The LLM can misread edge cases — treat this as a starting hypothesis, not a guarantee. Always verify conditions on the ground before committing to a long drive.
Precip 7d
Log your find on iNaturalist to help the community and get expert ID assistance. Photos, location, and habitat notes all help with identification.
⚠ Road Access Notice
Always verify road access is public before following GPS directions to mountain areas. Many forest roads are seasonal, gated, or require 4WD. Dispersed camping follows USFS/BLM rules (typically 14-day limit). Check ranger district offices for current road and campground conditions.
1.45"
PRISM 4km · thru 07-11
Precip 14d
Observed precipitation from PRISM 4km gridded analysis, sampled at the region centroid through 2026-07-11. Used when no SNOTEL/SCAN station is mapped to this region.1.82"
PRISM 4km · thru 07-11
Soil Temp
72°F
SWE
Snow Water Equivalent — how much water is in the snowpack vs. normal. Declining SWE means snowmelt is adding moisture to the soil.0%
Drought
None
Snowmelt
complete
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 72°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
Primordia readiness: Cold = mycelium dormant. Activating = soil warming, primordia building. Primed = 5+ sustained warm days at species threshold; fruiting imminent if moisture cooperates. Based on Schmidt 1983 / Mihail 2007.