Collinsville, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    65°
    Sunday 5/12
    Forecast night icon
    65°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy late this evening then becoming mostly cloudy. A slight chance of showers. Not as cool with lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    Thunderstorms
    72°
    Forecast night icon
    Night
    80% Chance of Storms
    64°
    Monday 5/13
    Day
    72°
    Thunderstorms
    Forecast day icon
    Night
    64°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a slight chance of thunderstorms in the morning then showers with a chance of thunderstorms in the afternoon. Cooler with 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 80 percent.
  • Forecast day icon
    Tuesday
    Thunderstorms
    69°
    Forecast night icon
    Night
    30% Chance of Storms
    56°
    Tuesday 5/14
    Day
    69°
    Thunderstorms
    Forecast day icon
    Night
    56°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers with a chance of thunderstorms in the morning then showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. West winds 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Chance of rain near 100 percent.
    Night Details
    Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. North winds 10 to 15 mph. Chance of rain 30 percent.
  • Forecast day icon
    Wednesday
    Partly Sunny
    74°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Wednesday 5/15
    Day
    74°
    Partly Sunny
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 70s.
    Night Details
    Partly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    76°
    Forecast night icon
    Night
    50% Chance of Storms
    63°
    Thursday 5/16
    Day
    76°
    50% Chance of Storms
    Forecast day icon
    Night
    63°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    50% Chance of Storms
    77°
    Forecast night icon
    Night
    Partly Cloudy
    62°
    Friday 5/17
    Day
    77°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 20 percent.
  • Forecast day icon
    Saturday
    Sunny
    82°
    Forecast night icon
    Night
    30% Chance of Storms
    64°
    Saturday 5/18
    Day
    82°
    Sunny
    Forecast day icon
    Night
    64°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.
    Night Details
    A slight chance of thunderstorms in the evening. Mostly clear with a chance of showers. Lows in the lower 60s. Chance of rain 30 percent.
  • Forecast day icon
    Sunday
    30% Chance of Storms
    81°
    Forecast night icon
    Night
    40% Chance of Rain
    63°
    Sunday 5/19
    Day
    81°
    30% Chance of Storms
    Forecast day icon
    Night
    63°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A slight chance of showers in the morning then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
    Night Details
    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 63F. Dew point will be around 59F with an average humidity of 75%. Winds will be 2 mph from the NW.
  • Forecast day icon
    Monday
    Sunny
    78°
    Forecast night icon
    Night
    30% Chance of Rain
    62°
    Monday 5/20
    Day
    78°
    Sunny
    Forecast day icon
    Night
    62°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 78F. Dew point will be around 59F with an average humidity of 62%. Winds will be 4 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 62F. Dew point will be around 58F with an average humidity of 72%. Winds will be 2 mph from the W.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    77°
    Forecast night icon
    Night
    50% Chance of Rain
    62°
    Tuesday 5/21
    Day
    77°
    30% Chance of Rain
    Forecast day icon
    Night
    62°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 77F. Dew point will be around 58F with an average humidity of 63%. Winds will be 2 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 62F. Dew point will be around 59F with an average humidity of 76%. Winds will be 1 mph from the SE.