Atmospheric fronts advancing from the northwest across the eastern U.S. and parts of Europe drove scattered to numerous thunderstorms on September 11, 2026, producing measurable precipitation in several regions. National Weather Service observations recorded light rain and a 40-60% chance of thunderstorms in northern Georgia, consistent with an approaching frontal boundary and elevated humidity, while official reports noted similar activity in western Ukraine and isolated showers elsewhere. Model guidance highlighted steering patterns favoring convective development in the Southeast, with drier high-pressure influence suppressing rainfall in the Pacific Northwest and parts of the Northeast. Upcoming final data releases from agencies such as the NWS and equivalent meteorological centers will confirm exact daily totals against resolution thresholds for city-specific outcomes. Trader consensus reflects these observed patterns and climatological baselines for mid-September convection.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedWhere will it rain on September 11?
New York, NY
50%
Los Angeles, CA
1%
Chicago, IL
3%
Houston, TX
97%
Dallas, TX
7%
Phoenix, AZ
-
Philadelphia, PA
25%
Denver, CO
3%
Washington, DC
99%
Atlanta, GA
99%
Miami, FL
99%
Seattle, WA
2%
Boston, MA
5%
New Orleans, LA
51%
San Francisco, CA
1%
$3,972 Vol.
New York, NY
50%
Los Angeles, CA
1%
Chicago, IL
3%
Houston, TX
97%
Dallas, TX
7%
Phoenix, AZ
-
Philadelphia, PA
25%
Denver, CO
3%
Washington, DC
99%
Atlanta, GA
99%
Miami, FL
99%
Seattle, WA
2%
Boston, MA
5%
New Orleans, LA
51%
San Francisco, CA
1%
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.
Market Opened: Sep 10, 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...Atmospheric fronts advancing from the northwest across the eastern U.S. and parts of Europe drove scattered to numerous thunderstorms on September 11, 2026, producing measurable precipitation in several regions. National Weather Service observations recorded light rain and a 40-60% chance of thunderstorms in northern Georgia, consistent with an approaching frontal boundary and elevated humidity, while official reports noted similar activity in western Ukraine and isolated showers elsewhere. Model guidance highlighted steering patterns favoring convective development in the Southeast, with drier high-pressure influence suppressing rainfall in the Pacific Northwest and parts of the Northeast. Upcoming final data releases from agencies such as the NWS and equivalent meteorological centers will confirm exact daily totals against resolution thresholds for city-specific outcomes. Trader consensus reflects these observed patterns and climatological baselines for mid-September convection.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated


Beware of external links.
Beware of external links.
Frequently Asked Questions