Lanark, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Mostly Sunny
    60°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Thursday 4/25
    Day
    60°
    Mostly Sunny
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Widespread frost this morning. Mostly sunny. Highs in the lower 60s. Southeast winds 5 to 10 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Not as cool with lows in the lower 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Friday
    Thunderstorms
    55°
    Forecast night icon
    Night
    Thunderstorms
    56°
    Friday 4/26
    Day
    55°
    Thunderstorms
    Forecast day icon
    Night
    56°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Showers likely in the morning then showers and thunderstorms in the afternoon. Highs in the upper 50s. Southeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100 percent.
    Night Details
    Showers and thunderstorms mainly in the evening. Breezy and not as cool with lows in the upper 50s. Temperature rising into the lower 60s after midnight. South winds 20 to 25 mph with gusts up to 40 mph. Chance of rain near 100 percent.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    77°
    Forecast night icon
    Night
    Thunderstorms
    64°
    Saturday 4/27
    Day
    77°
    50% Chance of Storms
    Forecast day icon
    Night
    64°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then partly sunny with a chance of showers and thunderstorms in the afternoon. Breezy and much warmer with highs in the mid 70s. South winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent.
    Night Details
    Showers and thunderstorms. Breezy. Lows in the upper 50s. Highs in the lower 70s. Chance of rain 90 percent.
  • Forecast day icon
    Sunday
    Thunderstorms
    71°
    Forecast night icon
    Night
    Thunderstorms
    61°
    Sunday 4/28
    Day
    71°
    Thunderstorms
    Forecast day icon
    Night
    61°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Showers and thunderstorms. Breezy. Lows in the upper 50s. Highs in the lower 70s. Chance of rain 90 percent.
    Night Details
    Showers and thunderstorms. Breezy. Lows in the upper 50s. Highs in the lower 70s. Chance of rain 90 percent.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    65°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Monday 4/29
    Day
    65°
    50% Chance Rain Showers
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A 50 percent chance of showers. Highs in the mid 60s.
    Night Details
    Partly cloudy. Cooler with lows in the upper 40s.
  • Forecast day icon
    Tuesday
    Sunny
    73°
    Forecast night icon
    Night
    30% Chance of Storms
    56°
    Tuesday 4/30
    Day
    73°
    Sunny
    Forecast day icon
    Night
    56°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the mid 50s. Chance of rain 30 percent.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    55°
    Wednesday 5/1
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    55°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the mid 70s.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 55F. Dew point will be around 52F with an average humidity of 72%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    70°
    Forecast night icon
    Night
    40% Chance of Rain
    51°
    Thursday 5/2
    Day
    70°
    30% Chance of Rain
    Forecast day icon
    Night
    51°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 70F. Dew point will be around 52F with an average humidity of 67%. Winds will be 1 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 51F. Dew point will be around 49F with an average humidity of 74%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Friday
    40% Chance of Rain
    68°
    Forecast night icon
    Night
    40% Chance of Rain
    52°
    Friday 5/3
    Day
    68°
    40% Chance of Rain
    Forecast day icon
    Night
    52°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a chance of rain. Chance of precipitation 40%. High temperature around 68F. Dew point will be around 50F with an average humidity of 68%. Winds will be 4 mph from the SE.
    Night Details
    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 52F. Dew point will be around 50F with an average humidity of 75%. Winds will be 5 mph from the SE.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    70°
    Forecast night icon
    Night
    40% Chance of Rain
    55°
    Saturday 5/4
    Day
    70°
    30% Chance of Rain
    Forecast day icon
    Night
    55°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 70F. Dew point will be around 52F with an average humidity of 69%. Winds will be 8 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 55F. Dew point will be around 53F with an average humidity of 75%. Winds will be 7 mph from the S.