Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Severe Storm Potential Today

This Evening-Tonight's Storm Potential - More Info

Additional Severe Storm Potential Monday

Heat & Humidity Through Monday

We continue to monitor for severe storm potential later today. The majority of the daytime hours will be quiet, with storms moving into the region during the evening and overnight hours. Stay tuned to later forecast updates.

One or possibly multiple clusters of storms will move through southern Wisconsin from this evening into the overnight hours. One of two scenarios look to play out: either a single cluster of storms will move through during the overnight hours, or multiple storm clusters will move through during the evening and overnight hours. Storm progression scenarios should clarify by this afternoon. All severe weather hazards will be possible in any storm clusters, including the potential for wind gusts exceeding 70 MPH. Have multiple ways to receive warning information, including a way to be woken up if warnings are issued after you go to bed.

Additional thunderstorms are possible Monday, with the exact location and intensity of storm development being highly dependent on the evolution of storms happening this evening and tonight. Additional severe weather would be possible in the event that storms develop. Exact details given timing and placement of storms may not clarify until Monday morning, so keep up with later forecast updates.

Hot and humid conditions continue today through Monday across southern Wisconsin. A Heat Advisory remains in effect between Noon and 9 PM this afternoon for most of the area. If showers and storms don't interfere, additional Heat Advisories may be needed on Monday.

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Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

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