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1,300–1,550 ft · SD🚗 Directions
Glacial moraine hills in the southeast corner of SD — Newton Hills SP, Union Grove SP, Big Sioux Recreation Area along the Big Sioux River. Bur oak, basswood, American elm, and green ash on the rolling moraine and river-bluff terrain. Eastern deciduous forest at its northwest extension. Good spring morel hunting in oak-basswood draws.
Updated Oct 11, 5:15 AM MT
Precip 7d
Observed precipitation from PRISM 4km gridded analysis, sampled at the region centroid through 2026-10-09. Used when no SNOTEL/SCAN station is mapped to this region.0.28"
PRISM 4km · thru 10-09
Precip 14d
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7 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.
1.49"
PRISM 4km · thru 10-09
Soil Temp
73°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 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
moisture marginal (today 0.15 VWC, 7d avg 0.18)
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.