Tonight’s storms bring another severe weather threat

• Monday is a First Alert Day attributable to important severe weather threat late afternoon by early Tuesday morning
• Damaging wind gusts are the principle concern with storms transferring by in a single day
• Much cooler and drier weather arrives midweek

MADISON, Wis. (WMTV) – We’ve declared Monday as a First Alert Day throughout southern Wisconsin as we observe the potential for sturdy to severe thunderstorms later right now and into early Tuesday morning. This would be the second spherical of storms in lower than 24 hours, and whereas the severe weather threat has shifted considerably, we nonetheless want to remain weather conscious by tonight.

The major weather story unfolds late this afternoon and particularly after midnight as another space of ​​low stress develops over the Plains and tracks towards northern Wisconsin. This system will bring another spherical of showers and storms into southern Wisconsin from the west, with the best protection anticipated after midnight into early Tuesday morning. While there’s some uncertainty about precisely how organized these storms shall be as they arrive, damaging wind gusts stay the first concern. The severe weather window extends from late Monday afternoon by the early morning hours of Tuesday.

It’s value noting that the Storm Prediction Center has adjusted the severe weather outlook, shifting the realm of ​​biggest concern additional south. The northern fringe of the Slight Risk now extends alongside Interstate 90, with areas north of that hall below a decrease threat stage. This adjustment displays adjustments within the ambiance, together with much less instability out there for storms in comparison with earlier forecasts. However, scattered sturdy storms are nonetheless potential throughout southern Wisconsin, so we’ll proceed monitoring circumstances carefully all through the day and in a single day.

After the storm…

Tuesday will really feel dramatically totally different as a chilly entrance sweeps by the area. You’ll discover excessive temperatures truly happen round midnight, with readings falling all through the day. Scattered morning showers are potential as a northern stream disturbance strikes throughout northern Wisconsin, however the greater story would be the a lot cooler air pouring in behind the entrance. Daytime temperatures will solely attain the 50s and 60s, which can really feel fairly refreshing after the current heat. Gusty northwest winds will accompany the cooler circumstances, step by step diminishing Tuesday night time as excessive stress builds in from the northwest.

Wednesday and Thursday look very nice as excessive stress settles over the area. We’ll see a mixture of solar and clouds with comfy temperatures within the 60s and low 70s for highs. Overnight lows shall be fairly cool, dropping into the higher 30s and low 40s throughout a lot of southern Wisconsin. Some of the historically cooler spots in central Wisconsin may even see patchy frost Tuesday night time and Wednesday night time below largely clear skies and light-weight winds. If you’ve gotten delicate vegetation or gardens, chances are you’ll wish to take precautions.

High stress will start shifting eastward into the Northeast by Thursday, setting the stage for our subsequent weather system. Low stress will develop over the Colorado Rockies and transfer into the Plains by Friday morning. This creates an fascinating setup the place the system might break up, with one piece of power transferring by the Lower Mississippi Valley and another monitoring towards the western Great Lakes. This means we may see a number of showers and storms as early as Thursday night time into Friday, though protection appears to be like pretty restricted at this level.

Looking forward…

Better probabilities for widespread showers and thunderstorms arrive Friday night time into Saturday as a chilly entrance related to the Midwest low stress system strikes by southern Wisconsin. The excellent news is that wind shear values ​​look pretty modest, which suggests the threat for organized severe weather seems low at the moment. There’s nonetheless some uncertainty concerning the precise timing and placement of this method, so we’ll proceed fine-tuning the forecast over the subsequent few days.

The weekend system ought to exit Saturday night time as excessive stress begins constructing again into southern Wisconsin from the central Plains. Sunday appears to be like a lot nicer with partly sunny skies and temperatures rebounding to the higher 70s and low 80s as winds shift again to the south. We may even see extra probabilities for showers and storms Sunday night time into Monday as the subsequent system approaches.

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