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600–1,979 ft · MI🚗 Directions
Michigan's Upper Peninsula. Vast mixed hardwood-conifer forests of sugar maple, yellow birch, hemlock, and aspen. Ottawa and Hiawatha NFs provide extensive public land. Latest morel season in MI — often running into late May.
Updated Aug 27, 4:11 AM MT
**S-Tier Flush in Full Swing** This UP zone is locked into a classic late-summer fruiting window with textbook conditions: seven days of sustained soil warmth at 63°F paired with adequate soil moisture (0.17 VWC) despite minimal recent rainfall. The moisture trigger flipped because sustained warmth is mobilizing stored soil water—you're not dependent on fresh rain here. That low precipitation (0.25" over two weeks) is irrelevant; the real driver is thermal momentum and water availability already in the ground. Prioritize the saprophytic wood-rotters and grazers: **Chicken of the Woods, Hen of the Woods, Hedgehog, Shaggy Mane, and Wine Cap** are peaking hard right now. These are your bread-and-butter high-yield targets. Polypores (Turkey Tail, Artist's Conk, Birch Polypore, Tinder Fungus) are ramping up their fruiting bodies, and the milky caps (Indigo, Peppery, Oak, Weeping) should be prolific in damp microsites. Black Trumpet is still activating—primordia are forming but not yet pushed; check again in 48 hours. No limiting factors means zero headwinds. The only strategic consideration is phenology: late August in the UP suggests you're in the tail end of this flush. Heavy rain could extend it, but you don't need it. Hot tip: Scout for Shaggy Parasol and regular Parasol in open meadow edges and disturbed soil—they fruit predictably at this thermal threshold and are often overlooked while foragers fixate on woods.
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.
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.
Precip 7d
0.25"
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.0.25"
PRISM 4km · thru 08-25
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 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
soil warming up (63°F today, only 2/7 days above threshold — mycelium activating, primordia not yet established), today 0.17 VWC, 7d avg 0.16
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 7/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
All conditions met (soil 63°F, sustained 6/7 days above threshold, today 0.17 VWC, 7d avg 0.16)
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.