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800–1,150 ft · MN🚗 Directions
Minnesota River Valley across Nicollet, Brown, Blue Earth, and Redwood counties — a glacial meltwater trench incised through the prairie. Flandrau SP, Minneopa SP, and Upper Sioux Agency SP. Bur oak, basswood, American elm, cottonwood, and green ash on the bluffs. Dying elm flats produce reliably in spring; chanterelles in summer oak draws.
Updated Jul 13, 4:18 AM MT
**Minnesota River Valley – S-Tier Flush Window** This is a textbook summer peak: sustained soil warmth (76.5°F for a week solid), locked-in moisture (0.23 VWC averaging across two weeks), and zero drought stress. There's simply no limiting factor—everything from choice edibles (chanterelles, boletes, puffballs) to saprophytes and wood decay species is firing simultaneously. The real story here is *breadth*—you've got 59 species in high viability, which means habitat diversity matters more than luck. Focus on your best oak and aspen stands for boletes and wood ears; check open grassland and disturbed ground for parasols and wine caps; don't sleep on the polypores and jelly ears on dead hardwood. The moisture will hold through mid-week, then watch the forecast hard—July heat can dry things fast, and you'll want to prioritize ground-fruiting species (puffballs, chanterelles) before they abort. **Hot tip:** Hit your established stinkhorn sites now; Ravenel's and common stinkhorn are at peak flush and the window closes fast as substrates dry.
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.
17 sites
4 sites
⚠ 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.
0.83"
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.2.28"
PRISM 4km · thru 07-11
Soil Temp
77°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 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 77°F, sustained 7/7 days above threshold, today 0.23 VWC, 7d avg 0.23 — 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.