WEATHER PROPSBOARDMATCHUPSMODELSSTATIONSREPLAYTHE LEAGUE
← All matchups
KBIL / Mon Oct 26 / OFFICIAL STATION RECORD

Billings, MTHigh ≥ 51°F

CONSENSUS FORECAST43%Oct 20 · 13:55 UTC
THE FORECAST FIELD

Who takes which side?

0% · NO50%YES · 100%
ICON
78%
EPS
46%
AIFS
35%
WN2
28%
HRES
28%
Consensus
43%

Probabilities derived from each source’s mean and spread. Forecasts may have different initialization times.

HOW A MODEL CONTRACT WORKS

Head-to-head preview

ILLUSTRATIVE · NOT EXECUTED
ICONYES 52.8¢Risks 52.85u
VS
HRESNO 47.2¢Risks 47.15u

100 contracts at the midpoint of these model probabilities. Each contract pays 1u to the winning side.

ICON +47.15u · HRES −47.15u

These are current forecast comparisons, not locked entries. No credits have been committed. Read the proposed policy →

FOLLOW THE RUNS

Probability history

Reconstructed from archived summary forecasts using a shared lead-dependent Gaussian error model. Times are initializations, not verified release times.

0%25%50%75%100%AIFS Single: 4.4% · 2026-10-11T12:00:00+00:00AIFS Single: 93.9% · 2026-10-11T18:00:00+00:00AIFS Single: 9.3% · 2026-10-12T00:00:00+00:00AIFS Single: 58.5% · 2026-10-12T06:00:00+00:00AIFS Single: 33.5% · 2026-10-12T12:00:00+00:00AIFS Single: 8.7% · 2026-10-12T18:00:00+00:00AIFS Single: 30.1% · 2026-10-13T00:00:00+00:00AIFS Single: 45.2% · 2026-10-13T06:00:00+00:00AIFS Single: 80.3% · 2026-10-13T12:00:00+00:00AIFS Single: 90.7% · 2026-10-13T18:00:00+00:00AIFS Single: 26.1% · 2026-10-14T00:00:00+00:00AIFS Single: 97.7% · 2026-10-14T06:00:00+00:00AIFS Single: 32.0% · 2026-10-14T12:00:00+00:00AIFS Single: 64.5% · 2026-10-14T18:00:00+00:00AIFS Single: 42.1% · 2026-10-15T00:00:00+00:00AIFS Single: 30.1% · 2026-10-15T06:00:00+00:00AIFS Single: 29.2% · 2026-10-15T12:00:00+00:00AIFS Single: 47.3% · 2026-10-15T18:00:00+00:00AIFS Single: 65.5% · 2026-10-16T00:00:00+00:00AIFS Single: 75.8% · 2026-10-16T06:00:00+00:00AIFS Single: 44.9% · 2026-10-16T12:00:00+00:00AIFS Single: 29.1% · 2026-10-16T18:00:00+00:00AIFS Single: 6.1% · 2026-10-17T00:00:00+00:00AIFS Single: 1.1% · 2026-10-17T06:00:00+00:00AIFS Single: 0.2% · 2026-10-17T12:00:00+00:00AIFS Single: 0.2% · 2026-10-17T18:00:00+00:00AIFS Single: 2.0% · 2026-10-18T00:00:00+00:00AIFS Single: 24.0% · 2026-10-18T06:00:00+00:00AIFS Single: 71.6% · 2026-10-18T12:00:00+00:00AIFS Single: 56.0% · 2026-10-18T18:00:00+00:00AIFS Single: 58.7% · 2026-10-19T00:00:00+00:00AIFS Single: 39.8% · 2026-10-19T06:00:00+00:00AIFS Single: 29.8% · 2026-10-19T12:00:00+00:00AIFS Single: 14.4% · 2026-10-19T18:00:00+00:00AIFS Single: 12.4% · 2026-10-20T00:00:00+00:00AIFS Single: 6.7% · 2026-10-20T06:00:00+00:00ICON: 3.4% · 2026-10-19T00:00:00+00:00ICON: 38.2% · 2026-10-19T12:00:00+00:00ICON: 63.6% · 2026-10-20T00:00:00+00:00GFS: 96.8% · 2026-10-17T12:00:00+00:00GFS: 46.9% · 2026-10-18T00:00:00+00:00GFS: 66.2% · 2026-10-18T06:00:00+00:00GFS: 4.6% · 2026-10-18T12:00:00+00:00GFS: 69.7% · 2026-10-18T18:00:00+00:00GFS: 20.8% · 2026-10-19T00:00:00+00:00GFS: 18.0% · 2026-10-19T06:00:00+00:00GFS: 67.7% · 2026-10-19T12:00:00+00:00GFS: 10.1% · 2026-10-19T18:00:00+00:00GFS: 7.6% · 2026-10-20T00:00:00+00:00GFS: 2.1% · 2026-10-20T06:00:00+00:00UKMET: 2.2% · 2026-10-19T12:00:00+00:00UKMET: 2.1% · 2026-10-20T00:00:00+00:00GEM: 22.1% · 2026-10-20T00:00:00+00:00IFS archive: 15.9% · 2026-10-11T12:00:00+00:00IFS archive: 82.1% · 2026-10-12T00:00:00+00:00IFS archive: 74.3% · 2026-10-12T12:00:00+00:00IFS archive: 72.6% · 2026-10-13T00:00:00+00:00IFS archive: 73.5% · 2026-10-13T12:00:00+00:00IFS archive: 77.2% · 2026-10-14T00:00:00+00:00IFS archive: 61.5% · 2026-10-14T12:00:00+00:00IFS archive: 67.5% · 2026-10-15T00:00:00+00:00IFS archive: 62.6% · 2026-10-15T12:00:00+00:00IFS archive: 70.9% · 2026-10-16T00:00:00+00:00IFS archive: 67.6% · 2026-10-16T12:00:00+00:00IFS archive: 83.8% · 2026-10-17T00:00:00+00:00IFS archive: 79.0% · 2026-10-17T12:00:00+00:00IFS archive: 75.1% · 2026-10-18T00:00:00+00:00IFS archive: 74.8% · 2026-10-18T12:00:00+00:00IFS archive: 74.6% · 2026-10-19T00:00:00+00:00IFS archive: 57.7% · 2026-10-19T12:00:00+00:00IFS archive: 50.7% · 2026-10-20T00:00:00+00:0010-11 12:0010-16 00:0010-20 06:00
AIFS SingleICONGFSUKMETGEMIFS archive
2026-10-20T06:00:00+00:00 · UTC
View the forecast data
UTCAIFSICONGFSUKMETGEMIFS*
2026-10-11T12:00:00+00:004.4%————15.9%
2026-10-11T18:00:00+00:0093.9%—————
2026-10-12T00:00:00+00:009.3%————82.1%
2026-10-12T06:00:00+00:0058.5%—————
2026-10-12T12:00:00+00:0033.5%————74.3%
2026-10-12T18:00:00+00:008.7%—————
2026-10-13T00:00:00+00:0030.1%————72.6%
2026-10-13T06:00:00+00:0045.2%—————
2026-10-13T12:00:00+00:0080.3%————73.5%
2026-10-13T18:00:00+00:0090.7%—————
2026-10-14T00:00:00+00:0026.1%————77.2%
2026-10-14T06:00:00+00:0097.7%—————
2026-10-14T12:00:00+00:0032.0%————61.5%
2026-10-14T18:00:00+00:0064.5%—————
2026-10-15T00:00:00+00:0042.1%————67.5%
2026-10-15T06:00:00+00:0030.1%—————
2026-10-15T12:00:00+00:0029.2%————62.6%
2026-10-15T18:00:00+00:0047.3%—————
2026-10-16T00:00:00+00:0065.5%————70.9%
2026-10-16T06:00:00+00:0075.8%—————
2026-10-16T12:00:00+00:0044.9%————67.6%
2026-10-16T18:00:00+00:0029.1%—————
2026-10-17T00:00:00+00:006.1%————83.8%
2026-10-17T06:00:00+00:001.1%—————
2026-10-17T12:00:00+00:000.2%—96.8%——79.0%
2026-10-17T18:00:00+00:000.2%—————
2026-10-18T00:00:00+00:002.0%—46.9%——75.1%
2026-10-18T06:00:00+00:0024.0%—66.2%———
2026-10-18T12:00:00+00:0071.6%—4.6%——74.8%
2026-10-18T18:00:00+00:0056.0%—69.7%———
2026-10-19T00:00:00+00:0058.7%3.4%20.8%——74.6%
2026-10-19T06:00:00+00:0039.8%—18.0%———
2026-10-19T12:00:00+00:0029.8%38.2%67.7%2.2%—57.7%
2026-10-19T18:00:00+00:0014.4%—10.1%———
2026-10-20T00:00:00+00:0012.4%63.6%7.6%2.1%22.1%50.7%
2026-10-20T06:00:00+00:006.7%—2.1%———
THE MODEL BOX SCORE

Forecasts & evidence

MODELYESMEANSPREAD σINITIALIZATION UTCBRIER ↓
ICON78%56.0°F7.1°F2026-10-20 00:00Pending
NWS forecast53%51.0°F5.9°F2026-10-20 03:00Pending
National Blend48%50.0°F8.9°F2026-10-20 06:00Pending
IFS Ensemble46%49.3°F10.7°F2026-10-20 00:00Pending
AIFS Single35%48.4°F5.4°F2026-10-20 00:00Pending
WeatherNext 228%47.8°F4.7°F2026-10-20 00:00Pending
IFS HRES28%46.6°F6.6°F2026-10-20 00:00Pending

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.

SETTLEMENT & PROVENANCE

High ≥ 51°F · KBIL

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-KBIL-20261026-TMAX-GE51
Opened Oct 19 · 07:33 UTC

Original listing: Billings high ≥ 51°F · Mon Oct 26

Original prop, full history & receipt ↗