Powerhouse Heat Dome of 591 decimeter settles over Southern Missouri and Illinois on Saturday 9/30/23. Heat Dome weakens slightly on Sunday to 588 but remains stationary through Midweek next week. This will bring widespread 80's across all 10 Midwest States + South Central States as well. Some isolated spots of 90s will take place. Due to the Easterly component to the wend around the Mississippi river going eastward, temps will be cooler near the Lake in Chicago.  This weather pattern is known as an Omega Block. In an Omega Block All Cold Air From Canada is Directed to the West Coast. This Cold air is forecasted to make it to the Midwest bringing snow to parts of the great lakes and Iowa by the end of October. However, the GFS model has this happening as early as about October 8th (Simcha's Torah holiday). Stay tuned for later updates.  90° Heat heads to Omaha. High's from 77° - 86° (25 - 30° C) for Chicago. High's 80' for Most Midwest with 50' and 60's at night.  Warm and Dry weather arrives in time for The Holiday Of Succot providing Ideal conditions for Both sleeping and Eating Outside in the Succa (hut with no rain protection). This includes ALL cities in Midwest