**Official National Weather Service forecasts and supporting model guidance indicate a high temperature in the mid-70s for Chicago on September 17, 2026, under mostly cloudy skies with a 40% chance of showers and thunderstorms.** Northeast winds of 5–10 mph and elevated humidity are expected to limit daytime warming, consistent with recent climatological averages near 76°F for the date. The tight clustering of market-implied odds around 74–77°F reflects minor differences among model runs regarding the timing and extent of cloud cover and any convective cooling. Updated NWS guidance and hourly observations through the morning of the 17th will refine these probabilities ahead of market resolution.
Ringkasan eksperimental yang dihasilkan AI dengan referensi data Polymarket. Ini bukan saran trading dan tidak berperan dalam bagaimana pasar ini diselesaikan. · DiperbaruiHighest temperature in Chicago on September 17?
74-75°F 31%
76-77°F 28%
78-79°F 17%
72-73°F 13%
69°F or below
<1%
70-71°F
4%
72-73°F
13%
74-75°F
31%
76-77°F
28%
78-79°F
17%
80-81°F
12%
82-83°F
1%
84-85°F
1%
86-87°F
<1%
88°F or higher
<1%
74-75°F 31%
76-77°F 28%
78-79°F 17%
72-73°F 13%
69°F or below
<1%
70-71°F
4%
72-73°F
13%
74-75°F
31%
76-77°F
28%
78-79°F
17%
80-81°F
12%
82-83°F
1%
84-85°F
1%
86-87°F
<1%
88°F or higher
<1%
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord
This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button.
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Pasar Dibuka: Sep 15, 2026, 3:56 AM ET
Sumber Resolusi
https://www.weather.gov/wrh/timeseries?site=kordResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord
This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button.
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Sumber Resolusi
https://www.weather.gov/wrh/timeseries?site=kordResolver
0x69c47De9D...**Official National Weather Service forecasts and supporting model guidance indicate a high temperature in the mid-70s for Chicago on September 17, 2026, under mostly cloudy skies with a 40% chance of showers and thunderstorms.** Northeast winds of 5–10 mph and elevated humidity are expected to limit daytime warming, consistent with recent climatological averages near 76°F for the date. The tight clustering of market-implied odds around 74–77°F reflects minor differences among model runs regarding the timing and extent of cloud cover and any convective cooling. Updated NWS guidance and hourly observations through the morning of the 17th will refine these probabilities ahead of market resolution.
Ringkasan eksperimental yang dihasilkan AI dengan referensi data Polymarket. Ini bukan saran trading dan tidak berperan dalam bagaimana pasar ini diselesaikan. · Diperbarui
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