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The heat continues along with the Excessive Heat Warning through Thursday. Tomorrow we are forecasting a high of 100 for DSM.Interactive Radar | Weather AlertsWe won’t likely break a high temperature record for tomorrow. Today’s high temperature was broken. Dewpoints are well into the upper 70s/80s which leads to an oppressive air mass over Iowa and is what is making it feel so terrible outside.We have one more day of the awful heat before it begins to feel better by the weekend. Rain chances are limited right now. We could get a stray shower or storm late Friday. The humidity stays elevated through Friday. By the weekend, dewpoints do come down a touch and will feel better by Saturday and Sunday. A cold front will move through tomorrow, but we won’t feel the relief until Friday. Temperatures return closer to normal by next week. See more in your latest ����vlog forecast.Iowa weather forecastWednesday Night: A few clouds overnight. Record warm low temperatures possible. Low 81F. Winds SSW at 5 to 10 mph.Thursday: Generally sunny despite a few afternoon clouds. Hot. High 100F. Heat index 105-110F. Winds W at 10 to 15 mph.Thursday Night: Partly cloudy skies. Slight chance of a thunderstorm after midnight. Low 77F. Winds ENE at 5 to 10 mph.Friday: Partly cloudy. Slight chance of a thunderstorm. High around 91F. Winds NNE at 10 to 15 mph.Friday Night: Partly cloudy. Low near 68F. Winds NNE at 10 to 15 mph.