Today: An Extreme Heat Warning will continue to be in effect through Sunday for Milwaukee County. A dominant high-pressure system is carrying moist air from the Gulf into Wisconsin, as hot temperatures are ushered in from the central U.S. Clear skies and temperatures in the upper 70s kick off Sunday with southerly winds gusting from 20-25 mph. These strong winds are expected to cause swim risks along the lakefront today, so be cautious in the water when going to the beach to cool off. Dewpoint temperatures linger around 70 degrees through the day, causing muggy conditions outdoors. By midday high temperatures look to reach 95 degrees in Milwaukee, leading to heat indices in the low to mid 100s and possibly higher in the Milwaukee metro area. Overall, the day can be expected to be another repeat of yesterday.
Tonight: Sunny skies transition to a clear night sky as we cool to an overnight low near 77 degrees. Breezy winds stick around, with gusts reaching 30 mph occasionally. Dewpoints continue hovering around 70 degrees into the night, ending Sunday feeling warm and humid.
Tomorrow: The Excessive Heat Warning persists into Monday for the first half of the afternoon before a cold front arrives to finally bring us relief. Morning temperatures will begin in the mid 70s before quickly warming into the 90s by afternoon with the sun dominating the sky. Dewpoint temperatures look to reach the mid 70s, feeling even stickier than the weekend. Stronger winds continue, gusting from the southwest around 25-30 mph. A low-pressure system in Canada looks to cater cooler air from the north, finally breaking the streak of hot temperatures and humid air. A line of storms look to develop along the cold front, causing the Storm Prediction Center to assess a marginal risk of severe weather for Southeastern Wisconsin. Most models are in agreement with the timing of these storms to occur in the late afternoon/early evening with the largest threats being large hail and heavy downpours. The storms look to push out the heat and humidity with lingering clouds overnight and a low temperature near 70 degrees.
Extended Forecast (Tuesday-Thursday): Several upper air disturbances look to impact our weather through the week, with each day consisting chances of rain. Tuesday looks to be cloudy with higher chances of rain being in the late afternoon. Temperatures on Tuesday look to reach 80 and cool to the lower 60s overnight. On Wednesday temperatures reach the mid 70s where much of the day looks to be rainy. By the late afternoon showers look to clear leaving the night dry and low temperatures in the low 60s. The biggest probability of rain remains on Thursday as models suggest a system with more structure. Temperatures look to warm into the 80s for the day as rain chances increase near the afternoon/evening. Rain looks to become spotty into the overnight with a low temperature in the mid 60s.
