| Land forecasts for the United States from the National Weather Service |
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LAT: 41.3336 LON: -87.7791 |
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| Peotone, IL | ||
| Updated Sun, 20-Sep-2026 3:36am CDT | ||
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Overnight
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Sunday
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"Patchy Fog"
LOW
68°
Patchy fog and showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 68. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
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"Patchy Fog"
HIGH
71°
Patchy fog and showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. High near 71, with temperatures falling to around 67 in the afternoon. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
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Sunday Night
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Monday
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"Chance Showers And Thunderstorms"
LOW
56°
A chance of showers and thunderstorms. Mostly cloudy. Low around 56, with temperatures rising to around 58 overnight. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
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"Chance Rain Showers"
HIGH
65°
A chance of rain showers before 5pm. Mostly cloudy, with a high near 65. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
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Monday Night
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Tuesday
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"Mostly Cloudy then Slight Chance Rain Showers"
LOW
52°
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 52. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
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"Slight Chance Rain Showers"
HIGH
62°
A slight chance of rain showers before 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 20%.
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Tuesday Night
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Wednesday
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"Partly Cloudy"
LOW
51°
Partly cloudy, with a low around 51.
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"Partly Sunny"
HIGH
65°
Partly sunny, with a high near 65.
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Wednesday Night
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Thursday
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"Partly Cloudy"
LOW
50°
Partly cloudy, with a low around 50.
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"Partly Sunny"
HIGH
67°
Partly sunny, with a high near 67.
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Thursday Night
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Friday
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"Mostly Cloudy"
LOW
51°
Mostly cloudy, with a low around 51.
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"Partly Sunny"
HIGH
68°
Partly sunny, with a high near 68.
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Friday Night
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Saturday
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"Partly Cloudy"
LOW
49°
Partly cloudy, with a low around 49.
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"Mostly Sunny"
HIGH
72°
Mostly sunny, with a high near 72.
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Script by Saratoga-weather.org. Data provided by NOAA/NWS