Loading conditions…
Loading conditions…
600–1,600 ft · MO🚗 Directions
Sprawling 1.5M-acre national forest across southern Missouri. Shortleaf pine mixed with oak-hickory-ash hardwoods. Old apple orchards and abandoned homesteads scattered throughout — classic morel micro-habitat. Less crowded than Ozark Highlands but requires more scouting.
Updated Jul 13, 4:06 AM MT
# Mark Twain National Forest — S Tier | July 13, 2026 This region is locked in at S tier because soil temperature (76.6°F) and sustained moisture (0.21 VWC across a full 7-day window) have aligned perfectly—you've got 57 species firing simultaneously across edible, medicinal, and indicator taxa. The moisture trigger was hit and held, meaning both saprophytes and mycorrhizal associates are fruiting at once. That's the hallmark of a true flush window. The limiting factor is moderate desiccation risk creeping in. With only 0.64" rain in the last week and no precipitation in the forecast window, soil moisture will begin tightening in 48–72 hours. Hunt the north-facing slopes, ravines, and dense oak/aspen understory where humidity stays locked—Chicken of the Woods and Indigo Milk Caps will stick around longest there. Watch for any afternoon temp spike above 82°F; that accelerates evaporation faster than you'd expect at this elevation. Priority targets right now are the short-window species: Parasol and Shaggy Parasol peak hard and fast in warm July conditions, and Giant Puffballs can vanish overnight once desiccation hits. Boletes (Frost's, Two-Colored, Aspen) are also flush-dependent—hit them before the window closes. **Hot tip:** Focus hollows and seep zones where leaf litter stays damp—Indigo Milk Caps and Crown-Tipped Corals will outlast everything else by 3–4 days.
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.
Mark Twain National Forest
Mark Twain National Forest
Mark Twain National Forest
Mark Twain National Forest
Mark Twain National Forest
Mark Twain National Forest
Mark Twain National Forest
Mark Twain National Forest
⚠ 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.
0.64"
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.0.75"
PRISM 4km · thru 07-11
Soil Temp
77°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 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.21 VWC, 7d avg 0.21 — 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.