Chester, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    50% Chance of Storms
    61°
    Friday 5/17
    Forecast night icon
    61°
    50% Chance of Storms
    Hourly
    Night Details
    Mostly cloudy with scattered showers with isolated thunderstorms this evening then partly cloudy after midnight. Patchy fog after midnight. Lows around 60. South winds around 5 mph this evening becoming light and variable. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    Mostly Sunny
    81°
    Forecast night icon
    Night
    Mostly Clear
    64°
    Saturday 5/18
    Day
    81°
    Mostly Sunny
    Forecast day icon
    Night
    64°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. South winds around 5 mph becoming northwest around 5 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph becoming southwest after midnight.
  • Forecast day icon
    Sunday
    Sunny
    85°
    Forecast night icon
    Night
    Partly Cloudy
    66°
    Sunday 5/19
    Day
    85°
    Sunny
    Forecast day icon
    Night
    66°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 80s. South winds around 5 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the mid 60s. South winds around 5 mph.
  • Forecast day icon
    Monday
    Mostly Sunny
    87°
    Forecast night icon
    Night
    Partly Cloudy
    70°
    Monday 5/20
    Day
    87°
    Mostly Sunny
    Forecast day icon
    Night
    70°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 80s.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the upper 60s. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    Sunny
    88°
    Forecast night icon
    Night
    60% Chance of Storms
    72°
    Tuesday 5/21
    Day
    88°
    Sunny
    Forecast day icon
    Night
    72°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent.
    Night Details
    Becoming mostly cloudy after midnight. A chance of thunderstorms. Showers likely mainly in the evening. Lows in the upper 60s. Chance of rain 60 percent.
  • Forecast day icon
    Wednesday
    60% Chance of Storms
    82°
    Forecast night icon
    Night
    50% Chance of Storms
    64°
    Wednesday 5/22
    Day
    82°
    60% Chance of Storms
    Forecast day icon
    Night
    64°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of thunderstorms. A chance of showers in the morning then showers likely in the afternoon. Highs in the mid 80s. Chance of rain 60 percent.
    Night Details
    Partly cloudy. A chance of showers and thunderstorms in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    Sunny
    78°
    Forecast night icon
    Night
    40% Chance of Storms
    61°
    Thursday 5/23
    Day
    78°
    Sunny
    Forecast day icon
    Night
    61°
    40% 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
    Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. Chance of rain 40 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    78°
    Forecast night icon
    Night
    40% Chance of Rain
    64°
    Friday 5/24
    Day
    78°
    40% Chance of Storms
    Forecast day icon
    Night
    64°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. Chance of rain 40 percent.
    Night Details
    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 64F. Dew point will be around 62F with an average humidity of 84%. Winds will be 6 mph from the SE.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    80°
    Forecast night icon
    Night
    50% Chance of Rain
    67°
    Saturday 5/25
    Day
    80°
    40% Chance of Rain
    Forecast day icon
    Night
    67°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 80F. Dew point will be around 64F with an average humidity of 71%. Winds will be 6 mph from the S.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 45%. Low temperature around 67F. Dew point will be around 66F with an average humidity of 85%. Winds will be 5 mph from the S.
  • Forecast day icon
    Sunday
    50% Chance of Rain
    81°
    Forecast night icon
    Night
    60% Chance of Rain
    66°
    Sunday 5/26
    Day
    81°
    50% Chance of Rain
    Forecast day icon
    Night
    66°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 45% chance for rain and thunderstorms. High temperature around 81F. Dew point will be around 66F with an average humidity of 71%. Winds will be 5 mph from the S.
    Night Details
    Mostly clear with a 60% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 66F with an average humidity of 85%. Winds will be 3 mph from the S.