Denver, COLow ≤ 32°F
Who takes which side?
Probabilities derived from each source’s mean and spread. Forecasts may have different initialization times.
Head-to-head preview
ILLUSTRATIVE · NOT EXECUTED100 contracts at the midpoint of these model probabilities. Each contract pays 1u to the winning side.
AIFS +26.15u · HRES −26.15u
These are current forecast comparisons, not locked entries. No credits have been committed. Read the proposed policy →
Probability history
Reconstructed from archived summary forecasts using a shared lead-dependent Gaussian error model. Times are initializations, not verified release times.
Forecasts & evidence
| MODEL | YES | MEAN | SPREAD σ | INITIALIZATION UTC | BRIER ↓ |
|---|---|---|---|---|---|
| AIFS Single | 95% | 27.9°F | 2.8°F | 2026-10-16 00:00 | 0.0025 |
| IFS Ensemble | 79% | 31.3°F | 1.5°F | 2026-10-16 00:00 | 0.0449 |
| WeatherNext 2 | 78% | 30.3°F | 2.8°F | 2026-10-16 00:00 | 0.0467 |
| ICON | 65% | 31.4°F | 2.8°F | 2026-10-16 00:00 | 0.1204 |
| IFS HRES | 53% | 32.3°F | 3.0°F | 2026-10-15 12:00 | 0.2237 |
| NWS forecast | 13% | 35.0°F | 2.2°F | 2026-10-16 02:00 | 0.7604 |
Spread is the standard deviation used in the probability approximation. It is not a measured confidence rating. Brier here scores the latest recorded snapshot, not a league deadline.
Low ≤ 32°F · KDEN
Daily temperature props settle on the ACIS official station record. Inclusive and strict thresholds retain their exact meanings. Provisional observations do not replace the settlement record.
WP-KDEN-20261016-TMIN-LE32
Opened Oct 13 · 08:04 UTC
Original listing: Denver freezes: low ≤ 32°F · Fri Oct 16
Original prop, full history & receipt ↗