Great Lakes, Ohio Valley & Midwest Long Range Weather Forecast for August 6th to September 5th
Includes Illinois, Indiana, Kentucky, Michigan, Ohio, Wisconsin
August 2026
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4Hot, dry. Greater chance of thunderstorms in the Ohio Valley.
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8Warm, steady precipitation in IL and WI.
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12Hot, humid, thunderstorms.
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16Warm, windy, fair.
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20Warm, fair, moderate wind.
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24Warm, dry, clear, especially in the Great Lakes.
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28Wet, warm.
September 2026
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1Warm temperatures, sunny skies.
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4Sunny Labor Day, showers possible in OH and IN.
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