KBWI / Tue Oct 20 / OFFICIAL STATION RECORD

Baltimore, MDHigh ≥ 77°F

CONSENSUS FORECAST2%Oct 18 · 03:28 UTC

THE FORECAST FIELD

Who takes which side?

0% · NO50%YES · 100%

30%

30%

<1%

Consensus

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

WN2YES 15.0¢Risks 15.05u

EPSNO 85.0¢Risks 84.95u

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

WN2 +84.95u · EPS −84.95u

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

FOLLOW THE RUNS

Probability history

Recorded Reconstructed

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

AIFS SingleICONGFSUKMETGEMIFS archive

Inspect a forecast 2026-10-20T06:00:00+00:00 · UTC

View the forecast data

UTC	AIFS	ICON	GFS	UKMET	GEM	IFS*
2026-10-05T06:00:00+00:00	8.9%	—	—	—	—	—
2026-10-05T12:00:00+00:00	0.0%	—	—	—	—	0.3%
2026-10-05T18:00:00+00:00	3.4%	—	—	—	—	—
2026-10-06T00:00:00+00:00	5.2%	—	—	—	—	9.3%
2026-10-06T06:00:00+00:00	14.3%	—	—	—	—	—
2026-10-06T12:00:00+00:00	16.2%	—	—	—	—	5.6%
2026-10-06T18:00:00+00:00	43.6%	—	—	—	—	—
2026-10-07T00:00:00+00:00	0.8%	—	—	—	—	4.8%
2026-10-07T06:00:00+00:00	29.7%	—	—	—	—	—
2026-10-07T12:00:00+00:00	14.0%	—	—	—	—	4.9%
2026-10-07T18:00:00+00:00	36.9%	—	—	—	—	—
2026-10-08T00:00:00+00:00	52.1%	—	—	—	—	3.9%
2026-10-08T06:00:00+00:00	3.4%	—	—	—	—	—
2026-10-08T12:00:00+00:00	24.0%	—	—	—	—	5.3%
2026-10-08T18:00:00+00:00	1.2%	—	—	—	—	—
2026-10-09T00:00:00+00:00	3.1%	—	—	—	—	6.3%
2026-10-09T06:00:00+00:00	0.8%	—	—	—	—	—
2026-10-09T12:00:00+00:00	0.8%	—	—	—	—	8.4%
2026-10-09T18:00:00+00:00	18.5%	—	—	—	—	—
2026-10-10T00:00:00+00:00	12.0%	—	—	—	—	11.8%
2026-10-10T06:00:00+00:00	8.5%	—	—	—	—	—
2026-10-10T12:00:00+00:00	33.5%	—	—	—	—	13.3%
2026-10-10T18:00:00+00:00	23.9%	—	0.0%	—	—	—
2026-10-11T00:00:00+00:00	22.7%	—	—	—	—	8.6%
2026-10-11T06:00:00+00:00	17.3%	—	6.4%	—	—	—
2026-10-11T12:00:00+00:00	30.2%	—	—	—	—	8.3%
2026-10-11T18:00:00+00:00	22.4%	—	—	—	—	—
2026-10-12T00:00:00+00:00	3.9%	—	10.7%	—	—	7.8%
2026-10-12T06:00:00+00:00	14.9%	—	19.3%	—	—	—
2026-10-12T12:00:00+00:00	14.1%	—	14.1%	—	—	5.7%
2026-10-12T18:00:00+00:00	20.3%	—	6.1%	—	—	—
2026-10-13T00:00:00+00:00	12.1%	0.2%	18.0%	—	—	5.9%
2026-10-13T06:00:00+00:00	9.2%	—	30.2%	—	—	—
2026-10-13T12:00:00+00:00	15.3%	17.5%	16.6%	0.2%	—	5.6%
2026-10-13T18:00:00+00:00	3.3%	—	20.4%	—	—	—
2026-10-14T00:00:00+00:00	3.8%	14.8%	10.6%	1.5%	—	2.1%
2026-10-14T06:00:00+00:00	2.1%	—	11.5%	—	—	—
2026-10-14T12:00:00+00:00	12.2%	18.9%	15.5%	0.2%	—	1.0%
2026-10-14T18:00:00+00:00	10.9%	—	15.0%	—	—	—
2026-10-15T00:00:00+00:00	2.1%	10.0%	6.7%	2.6%	—	1.1%
2026-10-15T06:00:00+00:00	5.5%	0.1%	10.6%	—	—	—
2026-10-15T12:00:00+00:00	3.4%	15.2%	5.3%	1.2%	—	0.7%
2026-10-15T18:00:00+00:00	9.9%	6.1%	6.7%	—	—	—
2026-10-16T00:00:00+00:00	1.0%	11.3%	4.5%	1.4%	—	0.1%
2026-10-16T06:00:00+00:00	10.3%	7.1%	3.4%	—	—	0.5%
2026-10-16T12:00:00+00:00	12.4%	7.3%	5.8%	7.6%	—	1.6%
2026-10-16T18:00:00+00:00	11.8%	4.0%	4.8%	—	—	1.5%
2026-10-17T00:00:00+00:00	9.4%	3.4%	4.0%	2.1%	—	1.5%
2026-10-17T06:00:00+00:00	7.6%	1.8%	4.0%	—	—	0.8%
2026-10-17T12:00:00+00:00	6.4%	1.0%	4.4%	0.9%	0.0%	0.5%
2026-10-17T18:00:00+00:00	6.2%	1.0%	4.0%	—	—	0.4%
2026-10-18T00:00:00+00:00	5.6%	1.9%	3.5%	1.2%	—	0.3%
2026-10-18T06:00:00+00:00	3.8%	1.1%	1.9%	0.0%	—	0.2%
2026-10-18T12:00:00+00:00	3.1%	1.0%	2.1%	0.4%	0.0%	0.2%
2026-10-18T18:00:00+00:00	2.9%	1.4%	1.2%	0.4%	—	—
2026-10-19T00:00:00+00:00	2.1%	1.4%	1.4%	0.4%	0.1%	0.1%
2026-10-19T06:00:00+00:00	1.4%	0.7%	1.0%	0.1%	—	0.1%
2026-10-19T12:00:00+00:00	0.9%	0.6%	0.9%	0.1%	0.0%	0.0%
2026-10-19T18:00:00+00:00	1.5%	1.2%	0.9%	0.1%	—	0.1%
2026-10-20T00:00:00+00:00	1.2%	2.3%	1.1%	0.1%	0.1%	0.1%
2026-10-20T06:00:00+00:00	0.6%	—	1.8%	0.1%	—	0.0%

THE MODEL BOX SCORE

Forecasts & evidence

MODEL	YES	MEAN	SPREAD σ	INITIALIZATION UTC	BRIER ↓
WeatherNext 2	30%	74.7°F	3.4°F	2026-10-17 12:00	Pending
AIFS Single	30%	74.2°F	4.3°F	2026-10-17 18:00	Pending
IFS HRES	2%	67.7°F	4.5°F	2026-10-17 12:00	Pending
ICON	2%	68.2°F	4.0°F	2026-10-17 12:00	Pending
NWS forecast	2%	68.0°F	3.9°F	2026-10-17 14:00	Pending
National Blend	<1%	68.0°F	3.3°F	2026-10-17 06:00	Pending
IFS Ensemble	<1%	69.2°F	2.7°F	2026-10-17 00:00	Pending

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 ≥ 77°F · KBWI

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-KBWI-20261020-TMAX-GE77
Opened Oct 13 · 08:02 UTC

Original listing: Baltimore runs hot-for-here: 77°F+ · Tue Oct 20

Original prop, full history & receipt ↗