Climate and Weather · Kalshi ·July 1, 2026 ·Edited by Samuel Jo

Chicago records above 5 inches of rain in June

Chicago's June 2026 precipitation totaled above 5 inches, marking a wetter-than-expected month despite a significant heat wave. While headlines focused on record-breaking temperatures and an extreme heat warning for the entire area, the city still received substantial rainfall. The heat wave, described as the city's first of the year, saw temperatures reach record highs for 2026. This period of intense heat, persisting through late June, might have overshadowed the actual precipitation levels. The prediction market had heavily favored less than 5 inches of rain, with 99% on 'Above 1 inch', suggesting the crowd did not anticipate the higher rainfall total.

Background

June in Chicago was characterized by an intense heat wave, with multiple outlets reporting extreme temperatures and an ongoing heat warning. This period of dangerous heat drew comparisons to the deadly 1995 Chicago heat wave and other hot spells dating back to 1911. Sporting events like Portland Fire at Chicago Sky, Kansas City Royals at Chicago White Sox, and Chicago Cubs at Milwaukee Brewers were scheduled during this time, with the weather undoubtedly a factor for players and fans. Europe also experienced heat records, as noted by Carbon Brief, indicating a broader trend of soaring temperatures captured by satellites like Sentinel-3.

What to watch

The higher-than-expected rainfall in June, juxtaposed with the extreme heat, highlights the complex and sometimes contradictory nature of climate patterns. Future climate discussions will likely continue to examine how periods of intense heat can coincide with significant precipitation events. Researchers may further analyze this data to understand its implications for urban planning and disaster preparedness in cities like Chicago.

AI-written briefing grounded in 5 sources and the live market, edited by Samuel Jo. Odds are crowd probabilities, not advice — how this works.