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daily prop · Des Moines, IA · Great Lakes & Upper Midwest · settles Thu Oct 22

Des Moines high ≥ 77°F · Thu Oct 22

31¢
american +224 · decimal 3.24
on the tape
The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.
Canonical settlement condition: High ≥ 77°F. The original listing above is retained as published. Open the model matchup dashboard →

The Tape

what the models knew, when
0¢25¢50¢75¢100¢10/0710/1710/20 06:00
— — reconstructed from archived model runs (deterministic values + a lead-dependent Gaussian error model, labeled, never on the tape) · — live prices from the running consensus engine.

Who's Bullish

each model's own price
aifs
65¢
wn2
56¢
ndfd
54¢
icon
30¢
nbm
23¢
hres
19¢
eps
10¢

The Ladder

where the whole distribution sits
68–69°F1¢
70–71°F5¢
72–73°F14¢
74–75°F24¢
76–77°F26¢
78–79°F18¢
80–81°F8¢
82–83°F2¢
calibration receipt: lead 2, scored on 14,462 settled station-days, consensus CRPS 1.69 vs climatology 8.854.

Receipts

prop id WP-KDSM-20261022-TMAX-GE77 · opened 2026-10-17T15:24:46+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape