Saint Peter, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Sunday
    Sunny
    77°
    Forecast night icon
    Night
    Mostly Cloudy
    60°
    Sunday 5/12
    Day
    77°
    Sunny
    Forecast day icon
    Night
    60°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs around 80. Southwest winds around 10 mph.
    Night Details
    Mostly clear in the evening then mostly cloudy with isolated showers after midnight. Not as cool with lows around 60. South winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    Rain
    72°
    Forecast night icon
    Night
    Thunderstorms
    61°
    Monday 5/13
    Day
    72°
    Rain
    Forecast day icon
    Night
    61°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Numerous showers with isolated thunderstorms in the morning then showers and scattered thunderstorms in the afternoon. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
    Night Details
    A chance of thunderstorms. Showers. Lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.
  • Forecast day icon
    Tuesday
    Thunderstorms
    67°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Tuesday 5/14
    Day
    67°
    Thunderstorms
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Showers with a chance of thunderstorms. Highs around 70. East winds 5 to 10 mph becoming northeast 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 90 percent.
    Night Details
    Mostly cloudy with a slight chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the lower 50s. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Wednesday 5/15
    Day
    70°
    Sunny
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Thursday
    40% Chance of Storms
    73°
    Forecast night icon
    Night
    50% Chance of Storms
    62°
    Thursday 5/16
    Day
    73°
    40% Chance of Storms
    Forecast day icon
    Night
    62°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of showers in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows around 60. Highs in the mid 70s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    50% Chance of Storms
    75°
    Forecast night icon
    Night
    Partly Cloudy
    63°
    Friday 5/17
    Day
    75°
    50% Chance of Storms
    Forecast day icon
    Night
    63°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows around 60. Highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 20 percent.
  • Forecast day icon
    Saturday
    Sunny
    77°
    Forecast night icon
    Night
    30% Chance of Rain
    62°
    Saturday 5/18
    Day
    77°
    Sunny
    Forecast day icon
    Night
    62°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 62F. Dew point will be around 61F with an average humidity of 84%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Sunday
    Sunny
    76°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Sunday 5/19
    Day
    76°
    Sunny
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 76F. Dew point will be around 62F with an average humidity of 72%. Winds will be 3 mph from the W.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 58F. Dew point will be around 58F with an average humidity of 83%. Winds will be 4 mph from the W.
  • Forecast day icon
    Monday
    Sunny
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    57°
    Monday 5/20
    Day
    73°
    Sunny
    Forecast day icon
    Night
    57°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 73F. Dew point will be around 56F with an average humidity of 68%. Winds will be 4 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 57F. Dew point will be around 55F with an average humidity of 79%. Winds will be 3 mph from the W.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Tuesday 5/21
    Day
    72°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 72F. Dew point will be around 56F with an average humidity of 68%. Winds will be 2 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 58F. Dew point will be around 56F with an average humidity of 81%. Winds will be 2 mph from the SW.