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Review of the June 10 and 11, 2026 Derecho and QLCS

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- National Water Prediction Service (NWPS)
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Heat Impacts Expected Next Week

Weekend Weather Forecast

Hot and humid conditions will build into S WI on Monday, with 100 degrees or higher heat index values possible each day through at least Thursday. Regardless of exact daytime index values, overnight index values will remain at or above 75 degree, leading to very little reprieve.

One last day of lower than normal temperatures today, with increasing heat and humidity Sunday, and hot conditions arriving by Monday. A few periods of isolated showers and storms are possible Sunday into Sunday night, especially in central Wisconsin.