Big Rock, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Clear
    60°
    Friday 5/17
    Forecast night icon
    60°
    Clear
    Hourly
    Night Details
    Clear. Low temperature around 60F. Dew point will be around 54F with an average humidity of 85%. Winds will be 5 mph from the E.
  • Forecast day icon
    Saturday
    Mostly Sunny
    83°
    Forecast night icon
    Night
    Partly Cloudy
    65°
    Saturday 5/18
    Day
    83°
    Mostly Sunny
    Forecast day icon
    Night
    65°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Unseasonably warm. Highs in the mid 80s. South winds 5 to 10 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Unseasonably mild. Lows in the mid 60s. Southwest winds 5 to 10 mph in the evening becoming west after midnight.
  • Forecast day icon
    Sunday
    Mostly Sunny
    83°
    Forecast night icon
    Night
    Mostly Cloudy
    62°
    Sunday 5/19
    Day
    83°
    Mostly Sunny
    Forecast day icon
    Night
    62°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Continued warm with highs in the lower 80s. Northeast winds 5 to 10 mph.
    Night Details
    Mostly cloudy with a slight chance of showers and thunderstorms. Lows around 60. Southeast winds 5 to 10 mph. Chance of precipitation 20 percent.
  • Forecast day icon
    Monday
    50% Chance of Storms
    88°
    Forecast night icon
    Night
    60% Chance of Storms
    67°
    Monday 5/20
    Day
    88°
    50% Chance of Storms
    Forecast day icon
    Night
    67°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers and thunderstorms. More humid with highs in the mid 80s. South winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy. Showers and thunderstorms likely mainly in the evening. Lows in the mid 60s. Chance of precipitation 60 percent.
  • Forecast day icon
    Tuesday
    60% Chance of Storms
    85°
    Forecast night icon
    Night
    70% Chance of Storms
    67°
    Tuesday 5/21
    Day
    85°
    60% Chance of Storms
    Forecast day icon
    Night
    67°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers and thunderstorms in the morning then partly cloudy with showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of precipitation 60 percent.
    Night Details
    Mostly cloudy. Showers and thunderstorms likely mainly in the evening. Lows in the lower 60s. Chance of precipitation 70 percent.
  • Forecast day icon
    Wednesday
    30% Chance Rain Showers
    78°
    Forecast night icon
    Night
    30% Chance Rain Showers
    54°
    Wednesday 5/22
    Day
    78°
    30% Chance Rain Showers
    Forecast day icon
    Night
    54°
    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 mid 70s. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a chance of showers in the evening then mostly clear after midnight. Lows in the lower 50s. Chance of precipitation 30 percent.
  • Forecast day icon
    Thursday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Thursday 5/23
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    74°
    Forecast night icon
    Night
    30% Chance of Rain
    57°
    Friday 5/24
    Day
    74°
    30% Chance Rain Showers
    Forecast day icon
    Night
    57°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. A chance of showers in the afternoon. Highs in the lower 70s. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 57F. Dew point will be around 49F with an average humidity of 66%. Winds will be 5 mph from the SE.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    74°
    Forecast night icon
    Night
    50% Chance of Rain
    58°
    Saturday 5/25
    Day
    74°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 74F. Dew point will be around 55F with an average humidity of 62%. Winds will be 6 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 58F. Dew point will be around 54F with an average humidity of 72%. Winds will be 4 mph from the S.
  • Forecast day icon
    Sunday
    40% Chance of Rain
    75°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Sunday 5/26
    Day
    75°
    40% Chance of Rain
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 75F. Dew point will be around 57F with an average humidity of 63%. Winds will be 4 mph from the SW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 58F. Dew point will be around 53F with an average humidity of 70%. Winds will be 2 mph from the SW.