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600–2,301 ft · MN🚗 Directions
North Shore of Lake Superior and the Sawtooth Mountains — Superior Hiking Trail corridor from Duluth to the Canadian border. Paper birch, quaking aspen, balsam fir, white spruce, northern white cedar, and sugar maple on the rugged volcanic bedrock. Lake effect moderates the climate. Exceptional birch bolete, chanterelle, and king bolete country; lobster mushrooms on spruce; morels following spring jack pine burns.
Updated Jul 13, 4:18 AM MT
**MN North Shore / Sawtooth – S Tier | July 13, 2026** You're in a rare S-tier window: sustained soil temps at 75°F with seven straight days of adequate moisture (0.34 VWC baseline) have unlocked the entire fruiting calendar simultaneously. Chanterelles, chicken of the woods, and black trumpets are your headliners, but the real edge here is the polypore flush—turkey tail, artist's conk, birch polypore, and red-belted conk are all primed and won't require post-flush babysitting. The moderate desiccation risk is your only brake: if temps hold and we stay dry over the next 48–72 hours, soft-bodied species (oysters, inky caps, milk caps) will fruit hard and fast before aborts. Hardier wood-decayers and shelf fungi have more runway. Watch the next three days for sudden flushes in shaded ravines and north-facing slopes where soil moisture lingers longest—that's where your mushroom density will spike. **Hot tip:** Scout aspen groves at dawn for *Chicken of the Woods* on stressed/fallen trees; they're aggressive fruited right now and gone by afternoon heat.
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.
Superior National Forest
Superior National Forest
Superior 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.
0.18"
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.1.37"
PRISM 4km · thru 07-11
Soil Temp
75°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 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — moisture sustained)
All conditions met (soil 75°F, sustained 7/7 days above threshold, today 0.36 VWC, 7d avg 0.34 — 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.