{"source":"kalshi","id":"KXHIGHTHOU-26MAY31","ticker":"KXHIGHTHOU-26MAY31","slug":"KXHIGHTHOU-26MAY31","title":"Highest temperature in Houston on May 31, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":null,"volume":2601.94,"volume_24hr":2590.94,"volume_24h_change":null,"normalized_vol_24hr":20.291015625,"normalized_volume":16.675498962402344,"liquidity":null,"open_interest":1742.52,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"91° to 92°","top_outcome_probability":0.49,"top_outcome_prob_24h_change":-0.06000000000000005,"top_outcome_volume_24h_change":475.43,"updated_at":"2026-05-31T00:56:23.934565Z","fetched_at":"2026-05-31T00:56:23.934565Z","added_at":"2026-05-30T14:08:36.607957Z","url":"https://kalshi.com/markets/kxhighthou/highest-temperature-in-houston-on-may-31-2026/kxhighthou-26may31","chart_24h":[10.0,48.0,159.0,529.0,566.89,1088.69,1568.39,1728.39,2005.6100000000001,2107.66,2160.66,2208.66,2396.94,2402.94,2420.94,2588.94],"markets":[{"source":"kalshi","id":"KXHIGHTHOU-26MAY31-B91.5","event_id":"KXHIGHTHOU-26MAY31","slug":"KXHIGHTHOU-26MAY31-B91.5","question":"Will the maximum temperature be 91-92° on May 31, 2026?","group_item_title":"91° to 92°","description":"If the maximum temperature recorded at Houston for May 31, 2026, is between 91-92° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIHOU can be found by clicking the following URL: https://www.weather.gov/wrh/Climate?wfo=hgx, navigating to the \"Observed Weather\" tab, and choosing the location \"Houston-Hobby, TX\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.49,0.51],"probability":0.49,"spread":0.040000000000000036,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T06:00:00Z","volume":486.43,"volume_24hr":485.43,"prob_24h_change":-0.06000000000000005,"volume_24h_change":475.43,"normalized_vol_24hr":13.161377906799316,"normalized_volume":12.429031372070312,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T00:56:53.164049Z","fetched_at":"2026-05-31T00:56:24.025426Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhighthou/highest-temperature-in-houston-on-may-31-2026/kxhighthou-26may31","event_title":"Highest temperature in Houston on May 31, 2026?","chart_24h":[0.55,0.5,0.51,0.56,0.53,0.53,0.54,0.47,0.47,0.5,0.47,0.44,0.47,0.47]},{"source":"kalshi","id":"KXHIGHTHOU-26MAY31-B89.5","event_id":"KXHIGHTHOU-26MAY31","slug":"KXHIGHTHOU-26MAY31-B89.5","question":"Will the maximum temperature be 89-90° on May 31, 2026?","group_item_title":"89° to 90°","description":"If the maximum temperature recorded at Houston for May 31, 2026, is between 89-90° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIHOU can be found by clicking the following URL: https://www.weather.gov/wrh/Climate?wfo=hgx, navigating to the \"Observed Weather\" tab, and choosing the location \"Houston-Hobby, TX\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.31,0.69],"probability":0.31,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T06:00:00Z","volume":1128.16,"volume_24hr":1118.16,"prob_24h_change":0.07,"volume_24h_change":1118.16,"normalized_vol_24hr":16.945077896118164,"normalized_volume":16.032127380371094,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T00:57:02.757267Z","fetched_at":"2026-05-31T00:56:24.025426Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhighthou/highest-temperature-in-houston-on-may-31-2026/kxhighthou-26may31","event_title":"Highest temperature in Houston on May 31, 2026?","chart_24h":[0.24,0.24,0.26,0.29,0.29,0.24,0.24,0.24,0.3,0.23,0.26,0.31,0.36,0.33,0.33,0.29]},{"source":"kalshi","id":"KXHIGHTHOU-26MAY31-B93.5","event_id":"KXHIGHTHOU-26MAY31","slug":"KXHIGHTHOU-26MAY31-B93.5","question":"Will the maximum temperature be 93-94° on May 31, 2026?","group_item_title":"93° to 94°","description":"If the maximum temperature recorded at Houston for May 31, 2026, is between 93-94° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIHOU can be found by clicking the following URL: https://www.weather.gov/wrh/Climate?wfo=hgx, navigating to the \"Observed Weather\" tab, and choosing the location \"Houston-Hobby, TX\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.13,0.87],"probability":0.13,"spread":0.020000000000000018,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T06:00:00Z","volume":166.1,"volume_24hr":166.1,"prob_24h_change":0.13,"volume_24h_change":166.1,"normalized_vol_24hr":9.008016586303711,"normalized_volume":8.501133918762207,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T00:56:24.025426Z","fetched_at":"2026-05-31T00:56:24.025426Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhighthou/highest-temperature-in-houston-on-may-31-2026/kxhighthou-26may31","event_title":"Highest temperature in Houston on May 31, 2026?","chart_24h":[0.0,0.0,0.1,0.1,0.14,0.2,0.19,0.18,0.18,0.13]},{"source":"kalshi","id":"KXHIGHTHOU-26MAY31-T89","event_id":"KXHIGHTHOU-26MAY31","slug":"KXHIGHTHOU-26MAY31-T89","question":"Will the maximum temperature be <89° on May 31, 2026?","group_item_title":"88° or below","description":"If the maximum temperature recorded at Houston for May 31, 2026, is less than 89° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIHOU can be found by clicking the following URL: https://www.weather.gov/wrh/Climate?wfo=hgx, navigating to the \"Observed Weather\" tab, and choosing the location \"Houston-Hobby, TX\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.03,0.97],"probability":0.03,"spread":0.009999999999999998,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T06:00:00Z","volume":354.25,"volume_24hr":354.25,"prob_24h_change":-0.03,"volume_24h_change":354.25,"normalized_vol_24hr":11.858280181884766,"normalized_volume":11.191012382507324,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T00:43:05.697827Z","fetched_at":"2026-05-31T00:42:24.948428Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhighthou/highest-temperature-in-houston-on-may-31-2026/kxhighthou-26may31","event_title":"Highest temperature in Houston on May 31, 2026?","chart_24h":[0.06,0.05,0.06,0.05,0.04,0.05,0.03,0.03,0.03,0.03,0.03,0.03,0.03,0.03]},{"source":"kalshi","id":"KXHIGHTHOU-26MAY31-B95.5","event_id":"KXHIGHTHOU-26MAY31","slug":"KXHIGHTHOU-26MAY31-B95.5","question":"Will the maximum temperature be 95-96° on May 31, 2026?","group_item_title":"95° to 96°","description":"If the maximum temperature recorded at Houston for May 31, 2026, is between 95-96° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIHOU can be found by clicking the following URL: https://www.weather.gov/wrh/Climate?wfo=hgx, navigating to the \"Observed Weather\" tab, and choosing the location \"Houston-Hobby, TX\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.01,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T06:00:00Z","volume":109.0,"volume_24hr":109.0,"prob_24h_change":0.02,"volume_24h_change":109.0,"normalized_vol_24hr":7.596482753753662,"normalized_volume":7.169027328491211,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T00:43:05.697827Z","fetched_at":"2026-05-31T00:42:24.948428Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhighthou/highest-temperature-in-houston-on-may-31-2026/kxhighthou-26may31","event_title":"Highest temperature in Houston on May 31, 2026?","chart_24h":[0.0,0.0,0.0,0.03,0.02,0.02,0.02,0.02]},{"source":"kalshi","id":"KXHIGHTHOU-26MAY31-T96","event_id":"KXHIGHTHOU-26MAY31","slug":"KXHIGHTHOU-26MAY31-T96","question":"Will the maximum temperature be >96° on May 31, 2026?","group_item_title":"97° or above","description":"If the maximum temperature recorded at Houston for May 31, 2026, is greater than 96° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIHOU can be found by clicking the following URL: https://www.weather.gov/wrh/Climate?wfo=hgx, navigating to the \"Observed Weather\" tab, and choosing the location \"Houston-Hobby, TX\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.01,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T06:00:00Z","volume":358.0,"volume_24hr":358.0,"prob_24h_change":0.01,"volume_24h_change":358.0,"normalized_vol_24hr":11.900723457336426,"normalized_volume":11.231067657470703,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T00:43:05.697827Z","fetched_at":"2026-05-31T00:42:24.948428Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhighthou/highest-temperature-in-houston-on-may-31-2026/kxhighthou-26may31","event_title":"Highest temperature in Houston on May 31, 2026?","chart_24h":[0.0,0.01,0.01,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHTHOU-26MAY31","as_of":"2026-05-31T01:08:40.784649Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Houston on May 31, 2026?\" — top market at 31% probability across 6 outcomes","source_url":null}}