Temperatures tonight will be quite chilly after the return of heat and humidity the last few days. Lows tonight will drop into the 40s with some upper 30s possible in NW Iowa. Lows will stay below average through Tuesday night when lows will be in the upper 40s and low 50s. They will be in the 50s through at least Saturday night. Highs will be in the 60s Monday, 70s Tuesday and 70s to low 80s Wednesday through Sunday. Chances of rain look limited for the next 7 days, with the next best chance of rain coming early next week. Next Monday through Wednesday.