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Decatur, IL
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7-Day Forecast
Today
Chance T-storms then Severe Thunderstorms
High: 73°
Showers and thunderstorms, mainly before 4pm. Some of the storms could be severe. High near 73. South southwest wind 15 to 18 mph with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
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Tonight
Mostly Cloudy
Low: 38°
Mostly cloudy with a low around 38. West wind around 15 mph with gusts as high as 24 mph.
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Monday
Mostly Cloudy
High: 49°
Mostly cloudy with a high near 49. North northwest wind 11 to 14 mph with gusts as high as 22 mph.
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Monday Night
Mostly Clear
Low: 31°
Mostly clear with a low around 31. North wind 6 to 8 mph becoming east northeast after midnight.
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Tuesday
Partly Sunny
High: 54°
Partly sunny with a high near 54. East southeast wind 7 to 14 mph with gusts as high as 22 mph.
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Tuesday Night
Mostly Cloudy then Showers Likely
Low: 49°
Showers likely after 1am. Mostly cloudy with a low around 49. Southeast wind 14 to 18 mph with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
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Wednesday
T-storms and Breezy
High: 73°
Showers and thunderstorms. High near 73. Breezy with a south wind 18 to 22 mph with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
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Wednesday Night
Chance T-storms
Low: 48°
A 40% chance of showers and thunderstorms before 1am. Mostly cloudy with a low around 48.
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Thursday
Partly Sunny then Chance Showers
High: 64°
A 40% chance of showers after 1pm. Partly sunny with a high near 64.
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Thursday Night
Chance Showers
Low: 45°
A 30% chance of showers before 1am. Mostly cloudy with a low around 45.
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Friday
Partly Sunny
High: 64°
Partly sunny with a high near 64.
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Friday Night
Showers Likely
Low: 48°
Showers likely. Mostly cloudy with a low around 48.
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Saturday
Chance Showers
High: 61°
A chance of showers. Mostly cloudy with a high near 61.
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Source: National Weather Service
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