Hot and humid weather will continue Monday with highs around 90-91 degrees. A cold front arrives Tuesday, bringing scattered showers and thunderstorms, with the best chance for rain Tuesday night through Wednesday. Highs will cool into the 70s Tuesday and Wednesday before sunshine returns Thursday with highs in the low 80s. Dry weather is expected Friday through the weekend, with temperatures warming from the mid-80s Friday to around 90 degrees Saturday and Sunday. National Night Out in Blair and the final day of the Washington County Fair on Tuesday may be affected by thunderstorms, but Pack the Park on Saturday evening currently looks set for warm, dry weather.