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Weather for St. Peter, ILSt. Peter, IL Weather & Current Conditions

62880 Weather (St. Peter, IL)

St. Peter, IL WeatherCurrent Conditions and Weather for St. Peter, Illinois
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Mostly Cloudy at St. Peter (62880), temperature is 67°F20°C, dew point 55°F13°C, humidity 66%. Wind direction is N/A at N/A mphat 0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.09 in1018 mb. Last update: 7:15 pm.*
*Time is approximately 7:15 pm Sat, Sep 26, 2026. Time will be within 15 minutes of current local time. St. Peter weather forecast data is updated every 15 minutes.

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April is the cruelest month, breeding lilacs out of the dead land, mixing memory and desire, stirring dull roots with spring rain. ―T.S. Eliot
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St. Peter IL Weather - 8:15 pm

St. Peter Weather Forecast

Weather forecast for: Saint Peter IL
Last Update: 5:01 pm CDT Sep 26, 2026
Tonight: Mostly cloudy, with a low around 55. Calm wind.
Sunday: Mostly sunny, with a high near 75. Light northeast wind.
Sunday Night: Mostly clear, with a low around 50. Calm wind.
Monday: Sunny, with a high near 76. Calm wind.
Monday Night: Mostly clear, with a low around 54. Calm wind.
Tuesday: Sunny, with a high near 80.
Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 63.
Wednesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 72.
Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Saturday: A 30 percent chance of showers. Partly sunny, with a high near 72.

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