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1,000–3,500 ft · TN🚗 Directions
Cumberland Plateau and adjacent Cumberland Mountains in east-central Tennessee. Oak-hickory plateau forests with tulip poplar, ash, and elm in ravines and stream corridors. Numerous state parks and WMAs provide access. Old farmstead sites and orchard remnants dot the plateau. Slightly earlier season than the higher Smokies. Big South Fork area is productive.
Updated May 29, 4:12 AM MT
**Cumberland Plateau is firing on all cylinders.** S-tier conditions with 69°F soil, seven consecutive days above threshold, and sustained moisture (0.28 VWC today, 0.32 seven-day average) have unlocked the full spring spectrum—you're looking at everything from morels and oysters to the entire polypore roster and jelly fungi. No limiting factors means no excuses: the substrate is primed across elevation bands, and the plateau's mixed hardwood composition supports simultaneous flushes of saprotrophs, decomposers, and wood-dependent species. Watch the next 72 hours for potential rain that could trigger secondary waves, especially in drainage bottoms where moisture concentrates. The window is narrow before late-May heat stress begins suppressing softer species, so prioritize half-frees and oysters on south-facing slopes now. Hot tip: Hit the creek-adjacent bottomlands for Dryad's Saddle and Aspen Oyster—the 4.41" rainfall stacked into those micro-habitats, and you'll find density there that upland patches can't match.
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
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⚠ 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.
4.41"
PRISM 4km · thru 05-27
Precip 14d
Observed precipitation from PRISM 4km gridded analysis, sampled at the region centroid through 2026-05-27. Used when no SNOTEL/SCAN station is mapped to this region.4.41"
PRISM 4km · thru 05-27
Soil Temp
69°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 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — moisture sustained)
All conditions met (soil 69°F, sustained 7/7 days above threshold, today 0.28 VWC, 7d avg 0.32 — 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.