**Atmospheric fronts and associated moisture transport are the main drivers shaping precipitation chances for September 18, 2026.** National Weather Service forecasts indicate elevated probabilities in the Midwest and Southeast, with 70-100% chances of showers or thunderstorms in areas like southern Wisconsin and southern Florida due to lingering low-level moisture and weak lifting mechanisms, while central plains, mid-Atlantic, and parts of the Northeast show mostly dry conditions with PoP below 20%. Model guidance from recent runs highlights regional steering patterns and limited instability that favor localized rather than widespread rain. Traders monitor updated NWS short-range forecasts and high-resolution model outputs for shifts in frontal position or moisture plumes ahead of resolution, which typically relies on official station reports or defined thresholds.
Ringkasan eksperimental yang dihasilkan AI dengan referensi data Polymarket. Ini bukan saran trading dan tidak berperan dalam bagaimana pasar ini diselesaikan. · DiperbaruiWhere will it rain on September 18?
New York, NY
50%
Los Angeles, CA
24%
Chicago, IL
50%
Houston, TX
24%
Dallas, TX
2%
Phoenix, AZ
24%
Philadelphia, PA
24%
Denver, CO
55%
Washington, DC
50%
Atlanta, GA
50%
Miami, FL
77%
Seattle, WA
24%
Boston, MA
42%
New Orleans, LA
24%
San Francisco, CA
24%
$100 Vol.
New York, NY
50%
Los Angeles, CA
24%
Chicago, IL
50%
Houston, TX
24%
Dallas, TX
2%
Phoenix, AZ
24%
Philadelphia, PA
24%
Denver, CO
55%
Washington, DC
50%
Atlanta, GA
50%
Miami, FL
77%
Seattle, WA
24%
Boston, MA
42%
New Orleans, LA
24%
San Francisco, CA
24%
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.
Pasar Dibuka: Sep 17, 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 and associated moisture transport are the main drivers shaping precipitation chances for September 18, 2026.** National Weather Service forecasts indicate elevated probabilities in the Midwest and Southeast, with 70-100% chances of showers or thunderstorms in areas like southern Wisconsin and southern Florida due to lingering low-level moisture and weak lifting mechanisms, while central plains, mid-Atlantic, and parts of the Northeast show mostly dry conditions with PoP below 20%. Model guidance from recent runs highlights regional steering patterns and limited instability that favor localized rather than widespread rain. Traders monitor updated NWS short-range forecasts and high-resolution model outputs for shifts in frontal position or moisture plumes ahead of resolution, which typically relies on official station reports or defined thresholds.
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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