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650–1,250 ft · IA🚗 Directions
Unglaciated NE Iowa — Yellow River State Forest, Effigy Mounds NM, and the Mississippi River bluffs in Allamakee and Clayton counties. Cold-air algific talus slopes host rare northern plant communities. Sugar maple, basswood, white oak, and hickory on steep terrain. Exceptional spring morel hunting; summer chanterelles and lobster mushroom in moist coves.
Updated May 29, 4:17 AM MT
Precip 7d
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.0.19"
PRISM 4km · thru 05-27
Precip 14d
Log your find on iNaturalist to help the community and get expert ID assistance. Photos, location, and habitat notes all help with identification.
20 sites
20 sites
19 sites
80 sites
77 sites
48 sites
109 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.
3.36"
PRISM 4km · thru 05-27
Soil Temp
67°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
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 VWC, 7d avg 0.16)
moisture marginal (today 0.15 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.