Recent National Weather Service and private model guidance projects a daytime high near 79°F for Chicago on May 18, supported by southerly flow ahead of an approaching warm front and above-normal 850-hPa temperatures. This places the market-implied probability of 78°F or higher near 78 percent, consistent with the consensus forecast range of 77–81°F and well above the May 18 climatological normal of 71°F. Ensemble spreads remain modest through the next 24 hours, with limited risk of cooler boundary-layer mixing or earlier cloud cover reducing peak readings. Updated short-range runs from the National Weather Service and rapid-update models are expected to refine wind and moisture profiles before resolution.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoLa temperatura più alta di Chicago il 18 maggio?
78°F o superiore 78%
76-77°F 18%
74-75°F 3.7%
72-73°F 1.4%
$41,470 Vol.
$41,470 Vol.
59°F o inferiore
<1%
60-61°F
<1%
62-63°F
<1%
64-65°F
<1%
66-67°F
<1%
68-69°F
<1%
21-22°C
<1%
72-73°F
1%
74-75°F
4%
76-77°F
18%
78°F o superiore
78%
78°F o superiore 78%
76-77°F 18%
74-75°F 3.7%
72-73°F 1.4%
$41,470 Vol.
$41,470 Vol.
59°F o inferiore
<1%
60-61°F
<1%
62-63°F
<1%
64-65°F
<1%
66-67°F
<1%
68-69°F
<1%
21-22°C
<1%
72-73°F
1%
74-75°F
4%
76-77°F
18%
78°F o superiore
78%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Chicago O'Hare Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Mercato aperto: May 16, 2026, 12:04 AM ET
Fonte di risoluzione
https://www.wunderground.com/history/daily/us/il/chicago/KORDThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Chicago O'Hare Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Fonte di risoluzione
https://www.wunderground.com/history/daily/us/il/chicago/KORDRecent National Weather Service and private model guidance projects a daytime high near 79°F for Chicago on May 18, supported by southerly flow ahead of an approaching warm front and above-normal 850-hPa temperatures. This places the market-implied probability of 78°F or higher near 78 percent, consistent with the consensus forecast range of 77–81°F and well above the May 18 climatological normal of 71°F. Ensemble spreads remain modest through the next 24 hours, with limited risk of cooler boundary-layer mixing or earlier cloud cover reducing peak readings. Updated short-range runs from the National Weather Service and rapid-update models are expected to refine wind and moisture profiles before resolution.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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