Low-pressure systems and elevated precipitable water values above 1.8 inches over the Midwest and Great Lakes are the main drivers behind current market-implied odds for measurable rain on September 19, 2026. National Weather Service analyses and short-range models show scattered to widespread showers and thunderstorms across parts of Illinois, Indiana, and Wisconsin, with Chicago-area stations recording the strongest signal due to efficient moisture transport and lift. In contrast, drier conditions prevail along the East Coast and Southwest per current guidance. Traders should monitor updated NWS short-range forecasts and hourly radar trends through the evening, as small shifts in storm tracks or intensity can alter resolution thresholds for individual city contracts. Historical September patterns indicate such setups often produce localized heavy rain but carry model spread in exact placement.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateWhere will it rain on September 19?
New York, NY
4%
Los Angeles, CA
5%
Chicago, IL
91%
Houston, TX
4%
Dallas, TX
25%
Phoenix, AZ
<1%
Philadelphia, PA
49%
Denver, CO
64%
Washington, DC
17%
Atlanta, GA
66%
Miami, FL
62%
Seattle, WA
13%
Boston, MA
1%
New Orleans, LA
1%
San Francisco, CA
12%
$3,918 Vol.
New York, NY
4%
Los Angeles, CA
5%
Chicago, IL
91%
Houston, TX
4%
Dallas, TX
25%
Phoenix, AZ
<1%
Philadelphia, PA
49%
Denver, CO
64%
Washington, DC
17%
Atlanta, GA
66%
Miami, FL
62%
Seattle, WA
13%
Boston, MA
1%
New Orleans, LA
1%
San Francisco, CA
12%
Measurable precipitation means 0.01 inches or more as reported by the PRECIPITATION (IN) figure in the NWS Daily Climate Report (CLI) for the city's station.
A report of trace ("T") does not qualify.
The PRECIPITATION (IN) figure measures total liquid-equivalent precipitation and does not distinguish between precipitation types.
The observation period is the NWS climate day for KNYC: midnight to midnight local standard time. The final CLI report for a climate day is issued the following morning.
This market will resolve according to the NWS Daily Climate Report as published by 2:00 PM ET on the day following the observation date. If multiple versions of the report are issued, the last version published before that time governs. If no figure has been published by that time, this market will resolve to "No".
The resolution source for this market is the NWS Daily Climate Report (CLI) for KNYC, published at https://forecast.weather.gov/product.php?site=NWS&product=CLI&issuedby=NYC.
Binuksan ang Market: Sep 18, 2026, 7:09 AM ET
Resolver
0x65070BE91...Measurable precipitation means 0.01 inches or more as reported by the PRECIPITATION (IN) figure in the NWS Daily Climate Report (CLI) for the city's station.
A report of trace ("T") does not qualify.
The PRECIPITATION (IN) figure measures total liquid-equivalent precipitation and does not distinguish between precipitation types.
The observation period is the NWS climate day for KNYC: midnight to midnight local standard time. The final CLI report for a climate day is issued the following morning.
This market will resolve according to the NWS Daily Climate Report as published by 2:00 PM ET on the day following the observation date. If multiple versions of the report are issued, the last version published before that time governs. If no figure has been published by that time, this market will resolve to "No".
The resolution source for this market is the NWS Daily Climate Report (CLI) for KNYC, published at https://forecast.weather.gov/product.php?site=NWS&product=CLI&issuedby=NYC.
Resolver
0x65070BE91...Low-pressure systems and elevated precipitable water values above 1.8 inches over the Midwest and Great Lakes are the main drivers behind current market-implied odds for measurable rain on September 19, 2026. National Weather Service analyses and short-range models show scattered to widespread showers and thunderstorms across parts of Illinois, Indiana, and Wisconsin, with Chicago-area stations recording the strongest signal due to efficient moisture transport and lift. In contrast, drier conditions prevail along the East Coast and Southwest per current guidance. Traders should monitor updated NWS short-range forecasts and hourly radar trends through the evening, as small shifts in storm tracks or intensity can alter resolution thresholds for individual city contracts. Historical September patterns indicate such setups often produce localized heavy rain but carry model spread in exact placement.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update

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