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Jefferson, IL
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7-Day Forecast
Today
Scattered Showers
High: 71°
Scattered showers, mainly after 10am. Cloudy with a high near 71. Southwest wind around 15 mph becoming southeast in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
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Tonight
Chance T-storms and Areas Fog
Low: 44°
A chance of showers with thunderstorms also possible after 1am. Areas of fog before 4am. Otherwise, cloudy with a temperature rising to around 55 by 1am. North northeast wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
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Sunday
T-storms Likely then T-storms and Breezy
High: 70°
Showers and thunderstorms. High near 70. Breezy with a south wind 15 to 20 mph with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
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Sunday Night
Showers Likely then Rain/Snow Likely
Low: 35°
Rain showers likely before 4am, then a chance of rain and snow showers. Some thunder is also possible. Mostly cloudy with a low around 35. West southwest wind around 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
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Monday
Slight Chance Rain/Snow then Slight Chance Snow
High: 42°
A slight chance of rain and snow before 10am, then a slight chance of snow between 10am and 1pm. Mostly cloudy with a high near 42. North wind around 15 mph with gusts as high as 25 mph. Chance of precipitation is 20%.
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Monday Night
Partly Cloudy
Low: 30°
Partly cloudy with a low around 30.
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Tuesday
Mostly Sunny
High: 46°
Mostly sunny with a high near 46.
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Tuesday Night
Mostly Cloudy then Showers Likely
Low: 40°
Showers likely after 1am. Mostly cloudy with a low around 40.
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Wednesday
Showers and Breezy
High: 66°
Showers. Mostly cloudy with a high near 66. Breezy.
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Wednesday Night
Chance Showers
Low: 46°
A chance of showers before 1am. Mostly cloudy with a low around 46.
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Thursday
Partly Sunny
High: 60°
Partly sunny with a high near 60.
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Thursday Night
Mostly Cloudy
Low: 41°
Mostly cloudy with a low around 41.
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Friday
Mostly Sunny
High: 55°
Mostly sunny with a high near 55.
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Source: National Weather Service
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