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200–1,500 ft · OR🚗 Directions
Portland-area lowlands including the Willamette Valley, Sandy River corridor, Clackamas River drainage, and lower Columbia River Gorge. Prime spring morel territory at low elevations where soil warms weeks before the Cascades. Cottonwood river bottoms, old orchards, and urban bark mulch are key habitats.
Updated May 29, 4:14 AM MT
**Summary** You're sitting on an S-tier window in the Willamette—soil temp just cracked 63°F with sustained moisture (0.23 VWC) after nearly 1.5" over two weeks. This is the spring flush sweet spot: wood-decay species like Wine Cap, Turkey Tail, Dryad's Saddle, and the polypores (Artist's, Birch, Red-Belted Conk) are all firing simultaneously, while the cup fungi (Green Elfcup, Black Cup) and gelatinous jelly species max out. The moderate desiccation risk is the only throttle—you're getting a narrow window before late May heat starts drying the organic layer. **What's viable:** Prioritize the woody substrate hunters first (hardwood polypores, Chaga on birch) and ground-hugging jelly fungi while VWC stays elevated. Half-Free Morels should still be in play at mid-elevation transitions. The inkcaps (Fairy, Mica) fruit fast and hard right now; hit them within 24–48 hours. **Watch:** Forecast warmth. If temps push into the low 70s without rain, desiccation accelerates and the window contracts hard by early June. **Hot tip:** Scout north-facing slopes in the 600–1,000 ft band where retained soil moisture and shade extend the flush—your best concentration of edible polypores will stack there over the next 5–7 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
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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.
0.29"
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.1.44"
PRISM 4km · thru 05-27
Soil Temp
63°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 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 6/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — moisture sustained)
All conditions met (soil 63°F, sustained 5/7 days above threshold, today 0.23 VWC, 7d avg 0.24 — 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.