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700–3,360 ft · MD🚗 Directions
Catoctin Mountains and Western Maryland — Appalachian oak-hickory transitioning to northern hardwoods at higher elevation. Catoctin Mountain Park, Savage River SF, Garrett SF. Excellent spring morels in tulip poplar coves and dying ash flats. Chanterelles and chicken in summer.
Updated Aug 27, 4:17 AM MT
Catoctin is firing on all cylinders—S-tier justifies itself. Soil temp holding steady at 68°F combined with 7-day average VWC of 0.29 and sustained moisture across two weeks creates a perfect permissive window. There's no limiting factor; this is a rare ecological moment where the region's edaphic conditions align across temperature, moisture, and time. Target the heavy hitters first: Chanterelles and Oysters are in peak flush mode; Chicken of the Woods is aggressive on hardwood right now; Black Trumpets thrive in this exact moisture profile. Boletes—Aspen, Frost's, Two-Colored—are erupting in the deeper forest. The polypores (Turkey Tail, Artist's Conk, Birch Polypore) are mature and harvestable. Watch the next 48–72 hours hard. This moisture window doesn't last forever once a dry front moves through; by early September, VWC typically sheds fast at elevation. Canopy-dependent species like wood ears and jelly ears will start declining first if humidity tanks. **Hot tip:** Hit north-facing ravines and stream corridors in the 2,000–2,800 ft band—they'll hold soil moisture longest and are your best bet if conditions begin to slip midweek.
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.
1.23"
PRISM 4km · thru 08-25
Precip 14d
Observed precipitation from PRISM 4km gridded analysis, sampled at the region centroid through 2026-08-25. Used when no SNOTEL/SCAN station is mapped to this region.2.15"
PRISM 4km · thru 08-25
Soil Temp
68°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 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°F, sustained 7/7 days above threshold, today 0.27 VWC, 7d avg 0.29 — moisture sustained)
All conditions met (soil 68°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.