Good morning, one more day of hot and humid conditions as a cold front will continue to push east and southeast into the state through the day. As of this morning, the front was analyzed as a cold front from southeast Wisconsin into north-central Illinois, then as a stationary front from north-central Illinois to the Illinois/Missouri border, then as a cold front again from the IL/MO border south and west. By this afternoon, the cold front will move further east and southeast and will extend from southeast Michigan to northwest and west-central Ohio to southeast to southwest Indiana. By early Tuesday morning, the front will be well east of the area.
As mentioned, today there will be the last day at least for a few days of the hot and humid air. Highs today will range from 86 to 89 and dewpoint temperatures in the low to mid 70s, so we will have more of that tropical air and any thunderstorms today will bring the potential for heavy rainfall. Once the front passes through and we head into Tuesday, temperatures will warm from 80 to 88, but the dewpoint (which is the temperature to which the air must be cooled to become saturated with water vapor), will be much lower and in the comfortable to tolerable category from the lower 50s to lower 60s. Wednesday will very much be the pick of the week, as highs will only warm in the 79 to 84 degree range and dewpoints only in the 50s to lower 60s. Thursday, we begin to warm up a bit, but still in the low to mid 80s and dewpoints in the 55 to 60 degree range, so still will remain very comfortable.
Even beyond Thursday, the temperature outlook from the Climate Prediction Center shows a greater chance of below normal temperatures for the rest of this month. You can find those maps on the Forecast and Long Range Probability Maps section of the website. Have a great Monday, and enjoy the cooler temperatures that’s to come!