Highest temperature in Chicago on Sep 10, 2026? — 75° to 76°
kalshi · open the market ↗ · closes 2026-09-11T06:00 · claim page
Was there ever a window?
Unknown. the cited sources carry no publication date.
- Price reached near-certainty: 33d ago
- Earliest cited source published: undated
- Price as shown: not current — not adjudicated. The residual below is from the last sweep and may have closed since.
What the contract requires
Condition. The maximum temperature recorded at Chicago (CLIMDW) on September 10, 2026, is between 75 and 76 degrees Fahrenheit inclusive, as reported by The Weather Company.
Named authority. The Weather Company; Kalshi Exchange (for material error determination)
Form the evidence must take. The official and final value must be reported by The Weather Company. The rules state: 'the official and final value used to determine this market is the maximum/minimum temperature as reported by the Weather Company.' Preliminary data is not final; only the non-preliminary publication counts. If a material error is determined by the Exchange, resolution may be delayed until a corrected non-materially-erroneous publication or the Expiration Date, whichever comes first.
Does not count.
- Preliminary Weather Company data subject to rounding or conversion differences
- Data from sources other than The Weather Company (e.g., AccuWeather, Google Weather)
- Data that is later determined by the Exchange to contain a material error
Deadline. September 10, 2026 (with possible extension for error correction until corrected data or Expiration Date, whichever comes first)
- Chicago (CLIMDW) — The weather station identifier for Chicago used by The Weather Company.
- maximum temperature — The highest temperature recorded for that calendar day.
- between 75-76° fahrenheit — Inclusive of 75 and 76 degrees Fahrenheit.
This venue published no resolution text for this contract, so the condition above is inferred from the question alone.
What the sources establish
No evidence from the required authority (The Weather Company) about Chicago's maximum temperature on the specified date has been submitted; all sources are for other locations or unrelated topics.
The evidence is not in the form this contract requires. The rules require the maximum temperature for Chicago (CLIMDW) on September 10, 2026, as reported by The Weather Company. None of the provided sources contain any data from The Weather Company regarding Chicago temperatures.
The event may well have happened. This contract does not resolve on that alone.
The named authority has not established this. The sources below report the event; the contract resolves on what its named source says.
An official, non-preliminary report from The Weather Company showing the maximum temperature recorded at Chicago (CLIMDW) on September 10, 2026, that falls within the 75–76°F range.
Sources it was read from
8 retrieved but not cited
Adjudicated 33d ago · retrieval: newsrag. This is a reading of retrieved documents by a language model, not a settlement. The venue's named authority is the only thing that resolves a market, and it is often slower than the news.