Lanark, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    70% Chance of Storms
    78°
    Forecast night icon
    Night
    40% Chance of Storms
    64°
    Monday 5/20
    Day
    78°
    70% Chance of Storms
    Forecast day icon
    Night
    64°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with numerous showers and scattered thunderstorms this morning then partly sunny with scattered showers with isolated thunderstorms this afternoon. Highs around 80. Southeast winds 10 to 15 mph becoming southwest this afternoon. Gusts up to 30 mph. Chance of rain 70 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Scattered showers and thunderstorms. Lows in the mid 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph becoming southeast after midnight. Chance of rain 40 percent.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    85°
    Forecast night icon
    Night
    80% Chance of Storms
    58°
    Tuesday 5/21
    Day
    85°
    50% Chance of Storms
    Forecast day icon
    Night
    58°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers and thunderstorms. Hot with highs in the upper 80s. Southeast winds 15 to 20 mph. Gusts up to 35 mph in the afternoon. Chance of rain 50 percent.
    Night Details
    Showers with thunderstorms likely in the evening then partly cloudy after midnight. Lows in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 80 percent.
  • Forecast day icon
    Wednesday
    30% Chance Rain Showers
    71°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Wednesday 5/22
    Day
    71°
    30% Chance Rain Showers
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Not as warm with highs in the lower 70s. West winds 15 to 20 mph. Chance of rain 30 percent.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the mid 70s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    76°
    Forecast night icon
    Night
    Mostly Clear
    56°
    Thursday 5/23
    Day
    76°
    Mostly Sunny
    Forecast day icon
    Night
    56°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the lower 50s. Highs in the mid 70s.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the mid 70s.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    77°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Friday 5/24
    Day
    77°
    30% Chance Rain Showers
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    76°
    Forecast night icon
    Night
    40% Chance Rain Showers
    58°
    Saturday 5/25
    Day
    76°
    50% Chance of Storms
    Forecast day icon
    Night
    58°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    77°
    Forecast night icon
    Night
    50% Chance of Rain
    59°
    Sunday 5/26
    Day
    77°
    30% Chance Rain Showers
    Forecast day icon
    Night
    59°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 59F. Dew point will be around 58F with an average humidity of 75%. Winds will be 3 mph from the E.
  • Forecast day icon
    Monday
    40% Chance of Rain
    75°
    Forecast night icon
    Night
    30% Chance of Rain
    55°
    Monday 5/27
    Day
    75°
    40% Chance of Rain
    Forecast day icon
    Night
    55°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 40%. High temperature around 75F. Dew point will be around 57F with an average humidity of 69%. Winds will be 3 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 55F. Dew point will be around 53F with an average humidity of 72%. Winds will be 3 mph from the NW.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    55°
    Tuesday 5/28
    Day
    72°
    40% Chance of Rain
    Forecast day icon
    Night
    55°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a chance of rain. Chance of precipitation 35%. High temperature around 72F. Dew point will be around 53F with an average humidity of 65%. Winds will be 4 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 55F. Dew point will be around 51F with an average humidity of 70%. Winds will be 3 mph from the NW.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Wednesday 5/29
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 70F. Dew point will be around 52F with an average humidity of 67%. Winds will be 6 mph from the NW.
    Night Details
    Partly cloudy. Low temperature around 53F. Dew point will be around 50F with an average humidity of 70%. Winds will be 4 mph from the NW.