Saint Peter, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Cloudy
    66°
    Monday 4/15
    Forecast night icon
    66°
    Cloudy
    Hourly
    Night Details
    Cloudy. A slight chance of showers and thunderstorms late this evening. Lows in the mid 60s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    Thunderstorms
    79°
    Forecast night icon
    Night
    Thunderstorms
    67°
    Tuesday 4/16
    Day
    79°
    Thunderstorms
    Forecast day icon
    Night
    67°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Showers and thunderstorms in the afternoon. Breezy with highs in the upper 70s. Southeast winds 15 to 25 mph. Gusts up to 40 mph in the afternoon. Chance of rain 90 percent.
    Night Details
    Mostly cloudy. Showers and thunderstorms mainly in the evening. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 90 percent.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Wednesday 4/17
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A slight chance of showers and thunderstorms in the morning. Breezy with highs in the lower 70s. Southwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 20 percent.
    Night Details
    Mostly clear. Cooler with lows around 50. West winds 15 to 20 mph becoming northwest 5 to 10 mph after midnight.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    74°
    Forecast night icon
    Night
    70% Chance of Storms
    52°
    Thursday 4/18
    Day
    74°
    30% Chance Rain Showers
    Forecast day icon
    Night
    52°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.
    Night Details
    A chance of thunderstorms. Showers likely mainly in the evening. Lows in the upper 40s. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    Partly Sunny
    62°
    Forecast night icon
    Night
    Mostly Cloudy
    47°
    Friday 4/19
    Day
    62°
    Partly Sunny
    Forecast day icon
    Night
    47°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    A slight chance of thunderstorms in the morning. Partly sunny with a slight chance of showers. Cooler with highs in the lower 60s. Chance of rain 20 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of showers. Lows in the mid 40s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    59°
    Forecast night icon
    Night
    Mostly Cloudy
    43°
    Saturday 4/20
    Day
    59°
    Mostly Sunny
    Forecast day icon
    Night
    43°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a 20 percent chance of showers. Highs in the upper 50s.
    Night Details
    Mostly cloudy. Lows around 40.
  • Forecast day icon
    Sunday
    Partly Cloudy
    57°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Sunday 4/21
    Day
    57°
    Partly Cloudy
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the upper 50s. Lows around 40.
    Night Details
    Partly cloudy. Highs in the upper 50s. Lows around 40.
  • Forecast day icon
    Monday
    Sunny
    63°
    Forecast night icon
    Night
    Clear
    47°
    Monday 4/22
    Day
    63°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Sunny. Highs in the lower 60s.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 40F with an average humidity of 63%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    30% Chance of Rain
    53°
    Tuesday 4/23
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 66F. Dew point will be around 46F with an average humidity of 63%. Winds will be 5 mph from the S.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 53F. Dew point will be around 51F with an average humidity of 76%. Winds will be 3 mph from the S.
  • Forecast day icon
    Wednesday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Wednesday 4/24
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 68F. Dew point will be around 52F with an average humidity of 69%. Winds will be 2 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 56F. Dew point will be around 53F with an average humidity of 74%. Winds will be 3 mph from the SE.