Weather in Petersburg, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Petersburg
This Afternoon |
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Temperature: 60°F Wind Speed: 13 mph Wind Direction: SE Forecast: Patchy fog. Cloudy. High near 60, with temperatures falling to around 54 in the afternoon. Southeast wind around 13 mph, with gusts as high as 22 mph. |
Tonight |
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Temperature: 54°F Wind Speed: 9 to 13 mph Wind Direction: S Forecast: Patchy fog before 10pm, then patchy fog and a slight chance of rain between 10pm and midnight, then a chance of rain and patchy fog. Cloudy. Low around 54, with temperatures rising to around 59 overnight. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. |
Sunday |
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Temperature: 66°F Wind Speed: 8 to 28 mph Wind Direction: SW Forecast: A chance of thunderstorms and a chance of rain before 8am, then rain and a chance of thunderstorms. Cloudy. High near 66, with temperatures falling to around 42 in the afternoon. Southwest wind 8 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
Sunday Night |
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Temperature: 14°F Wind Speed: 28 mph Wind Direction: WNW Forecast: A slight chance of rain before 7pm, then a slight chance of sleet between 7pm and 8pm. Mostly cloudy, with a low around 14. Wind chill values as low as -3. West northwest wind around 28 mph, with gusts as high as 45 mph. New snow accumulation of less than half an inch possible. |
Monday |
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Temperature: 24°F Wind Speed: 21 to 28 mph Wind Direction: WNW Forecast: Partly sunny, with a high near 24. West northwest wind 21 to 28 mph, with gusts as high as 45 mph. |
Monday Night |
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Temperature: 12°F Wind Speed: 12 to 17 mph Wind Direction: NW Forecast: Mostly clear, with a low around 12. Northwest wind 12 to 17 mph, with gusts as high as 30 mph. |
Tuesday |
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Temperature: 30°F Wind Speed: 10 mph Wind Direction: W Forecast: Mostly sunny, with a high near 30. West wind around 10 mph, with gusts as high as 20 mph. |
Tuesday Night |
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Temperature: 23°F Wind Speed: 9 mph Wind Direction: W Forecast: Partly cloudy, with a low around 23. |
Wednesday |
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Temperature: 38°F Wind Speed: 7 to 10 mph Wind Direction: WNW Forecast: Partly sunny, with a high near 38. |
Wednesday Night |
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Temperature: 20°F Wind Speed: 8 mph Wind Direction: WNW Forecast: Mostly cloudy, with a low around 20. |
New Year's Day |
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Temperature: 31°F Wind Speed: 8 mph Wind Direction: NNW Forecast: Mostly sunny, with a high near 31. |
Thursday Night |
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Temperature: 14°F Wind Speed: 6 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 14. |
Friday |
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Temperature: 34°F Wind Speed: 7 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 34. |
Friday Night |
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Temperature: 23°F Wind Speed: 7 mph Wind Direction: S Forecast: Partly cloudy, with a low around 23. |