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4,500–9,759 ft · AZ🚗 Directions
Chiricahua National Monument and the Coronado National Forest sky islands of SE Arizona. Mexican piñon, alligator juniper, Apache pine, Arizona cypress, and Engelmann oak transitioning to ponderosa and Douglas fir higher up. Cave Creek Canyon. Exceptional monsoon fungi (July-September): Boletus barrowsii, Amanita caesarea complex, hedgehogs, lobsters after 1"+ rain events.
Updated Oct 11, 5:16 AM MT
The Chiricahua / Madrean Sky Islands are rated Excellent for fruiting as of Oct 11. Soil is sitting at 57.4°F, and the 1.19" that fell over the past 14 days has kept moisture sustained: the 7-day average VWC is 0.22, and it's still 0.18 today even with a dry week. Drought status is none, the moisture trigger is met, and soil temps have held above threshold all 7 of the last 7 days. Oyster, Honey Mushroom, and Yellow-Gilled Gym all show high viability, with nothing limiting the flush. Snowmelt is complete, so this is purely a rain-driven monsoon-tail flush; focus on mid-elevation oak-pine and riparian drainages where the moisture has lingered. Watch the VWC trend: it's already slipping from 0.22 average to 0.18 today with zero rain in the last 7 days, so the window is open now but will narrow without a fresh storm. Any new rain would extend it, while continued dry weather will start thinning fresh flushes on exposed slopes first. Hot tip: Hit shaded north-facing drainages and canyon bottoms first, since they hold moisture longest as the surface dries, and check standing hardwood and downed wood for oysters and honeys before sun-exposed slopes fade.
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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Coronado National Forest
Coronado National Forest
Coronado National Forest
Coronado National Forest
Coronado National Forest
Coronado 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.
0.00"
PRISM 4km · thru 10-09
Precip 14d
Observed precipitation from PRISM 4km gridded analysis, sampled at the region centroid through 2026-10-09. Used when no SNOTEL/SCAN station is mapped to this region.1.19"
PRISM 4km · thru 10-09
Soil Temp
57°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 57°F, sustained 7/7 days above threshold, today 0.18 VWC, 7d avg 0.22 — moisture sustained)
All conditions met (soil 57°F, sustained 7/7 days above threshold, today 0.18 VWC, 7d avg 0.22 — moisture sustained)
All conditions met (soil 57°F, sustained 7/7 days above threshold, today 0.18 VWC, 7d avg 0.22 — 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.