Saint Charles, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    80% Chance of Storms
    65°
    Saturday 4/27
    Forecast night icon
    65°
    80% Chance of Storms
    Hourly
    Night Details
    A chance of showers and thunderstorms late in the evening then showers and thunderstorms after midnight. Unseasonably mild. Lows in the lower 60s. South winds 10 to 15 mph. Gusts up to 25 mph late in the evening. Chance of precipitation 80 percent.
  • Forecast day icon
    Sunday
    80% Chance of Storms
    74°
    Forecast night icon
    Night
    Thunderstorms
    65°
    Sunday 4/28
    Day
    74°
    80% Chance of Storms
    Forecast day icon
    Night
    65°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Showers and thunderstorms mainly in the morning. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 80 percent.
    Night Details
    Scattered thunderstorms. Showers. Unseasonably mild. Lows in the lower 60s. South winds 10 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation 90 percent.
  • Forecast day icon
    Monday
    40% Chance of Storms
    70°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Monday 4/29
    Day
    70°
    40% Chance of Storms
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the lower 70s. Southwest winds 10 to 20 mph with gusts up to 30 mph. Chance of precipitation 40 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the upper 40s. West winds 10 to 15 mph. Gusts up to 20 mph in the evening.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Tuesday 4/30
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 70s.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the evening then a chance of thunderstorms after midnight. Lows in the upper 50s. Chance of precipitation 50 percent.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    60% Chance of Storms
    59°
    Wednesday 5/1
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    59°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A slight chance of showers in the afternoon. Highs in the upper 70s. Chance of precipitation 20 percent.
    Night Details
    Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Lows in the mid 50s. Chance of precipitation 60 percent.
  • Forecast day icon
    Thursday
    60% Chance of Storms
    81°
    Forecast night icon
    Night
    50% Chance of Storms
    64°
    Thursday 5/2
    Day
    81°
    60% Chance of Storms
    Forecast day icon
    Night
    64°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning then showers likely in the afternoon. Highs in the mid 70s. Chance of precipitation 60 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 50s. Chance of precipitation 50 percent.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    69°
    Forecast night icon
    Night
    30% Chance Rain Showers
    51°
    Friday 5/3
    Day
    69°
    30% Chance Rain Showers
    Forecast day icon
    Night
    51°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then partly cloudy with a chance of showers in the afternoon. Highs in the upper 60s. Chance of precipitation 30 percent.
    Night Details
    A chance of showers in the evening. Partly cloudy. Lows in the upper 40s. Chance of precipitation 30 percent.
  • Forecast day icon
    Saturday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    30% Chance of Rain
    50°
    Saturday 5/4
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. Highs in the upper 60s.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 50F. Dew point will be around 43F with an average humidity of 66%. Winds will be 2 mph from the NW.
  • Forecast day icon
    Sunday
    40% Chance of Rain
    65°
    Forecast night icon
    Night
    Clear
    50°
    Sunday 5/5
    Day
    65°
    40% Chance of Rain
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 65F. Dew point will be around 44F with an average humidity of 56%. Winds will be 3 mph from the N.
    Night Details
    Clear. Low temperature around 50F. Dew point will be around 43F with an average humidity of 64%. Winds will be 4 mph from the NE.
  • Forecast day icon
    Monday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Monday 5/6
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 67F. Dew point will be around 44F with an average humidity of 54%. Winds will be 4 mph from the NE.
    Night Details
    Partly cloudy. Low temperature around 51F. Dew point will be around 43F with an average humidity of 64%. Winds will be 5 mph from the NE.