NWS alerts in effect HERE. Radar-tracking, hourly forecast plus latest updates>TV6 Apps for iOS and Android devicesRecord-breaking high temperature Monday closed out a warm start to the week in Upper Michigan. *NWS Marquette: 82° (breaking the previous record of 77° in 1983)Stagnant high pressure maintains an overall dry weather pattern across Upper Michigan through much of the work-and-school week. Daytime temperatures trend above seasonal -- with 80-degree highs possible. This weekend, rain and thunderstorm chances increase as the high pressure finally departs the region.