Climate Change in St. Louis 12 indicators covering climate change for St. Louis. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 15.74 Degrees celsius 2025 up 15.9% 370th Air temperature, hot days, tropical nights and icing days - Cities 2.42 Degrees celsius 2025 up 832.5% 321st Climate projections by scenario, 2030–2060 – Cities and FUAs 16.05 Degrees celsius 2060 up 0.3% 474th Climate projections by scenario, 2030–2060 – Cities and FUAs 1.77 Degrees celsius 2060 up 2.5% 607th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.09 Tonnes of CO2-equivalent 2024 unchanged 195th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 2.86 Tonnes of CO2-equivalent 2024 down 8.9% 39th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 3.54 Tonnes of CO2-equivalent 2024 up 2.0% 71st Greenhouse gas emissions - Cities and FUAs — GHG emissions from 3.46 Tonnes of CO2-equivalent 2024 up 2.1% 70th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 0.42 Tonnes of CO2-equivalent 2024 up 16.7% 295th Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 2.72 Tonnes of CO2-equivalent 2024 down 0.7% 40th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 11.06 Tonnes of CO2-equivalent 2024 down 1.7% 67th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 2.89 Tonnes of CO2-equivalent 2024 up 0.3% 39th