Milwaukee

Milwaukee Weather Outlook Includes Sunny Spells, Frosty Nights and Potential Thunderstorms Ahead

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Published on April 29, 2025
Milwaukee Weather Outlook Includes Sunny Spells, Frosty Nights and Potential Thunderstorms AheadSource: Google Street View

Well, Milwaukee, brace yourselves for a weather roller coaster this week. According to the latest update from the National Weather Service Milwaukee/Sullivan WI, while today's early risers might have heard a few rumbles with isolated thunderstorms, the rest of the day should be mostly sunny, though temperatures are expected to take a slight nosedive to around 58°F by noon. That pesky wind won't give us a break, either. Coming in strong from the west at 15 to 20 mph, gusts could reach up to 30 mph as the wind shifts northwest later in the day.

Tonight, the chill intensifies and brings with it areas of frost after 5am. Cozy up as temps drop to a low around 37, with a calmer east wind at 5 to 10 mph. While your heaters kick into high gear, tomorrow morning frost should thaw quickly, but keep your jackets handy. The day promises partly sunny skies accompanied by a high near 52 and a gentle east wind, according to the NWS.

Now, don't get too comfortable — tomorrow night revs up the weather action again with a 90% chance of showers and possibly a thunderstorm after 10pm. Preferring the nocturnal hours, the rain will sneak up on us, with new rainfall amounts ranging from a tenth to a quarter of an inch, except higher amounts possible if thunderstorms decide to crash the party. And they might hang around through Thursday, with showers and potential thunderstorms continuing past 1pm, and highs squeaking back up to around 58°F.

A glimmer of hope appears as the week rolls on. Thursday night still spells a 50% chance of showers and thunderstorms with lows around 44°F, but by Friday, we've got a 40 percent chance of showers mainly after 1pm. In a stubborn kind of way, partly sunny skies will attempt to make an appearance, and the high should hit near 55, so at least that's something. Heading into the weekend, temperatures will modestly climb. Mostly sunny days are on deck with highs, teasing us back into the upper 50s, before inching toward the 70s by Monday.

But let's not overlook the important advisory here. The National Weather Service has put out a Hazardous Weather Outlook, signaling that while tonight's frost might nip at your nose (or your garden), the real threat looms tomorrow night into Thursday with that high chance of thunderstorms. So, it looks like weather spotters can stand down for now, as the NWS confirms, "Spotter activation will not be needed."