Cortland, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    80% Chance of Storms
    62°
    Saturday 4/27
    Forecast night icon
    62°
    80% Chance of Storms
    Hourly
    Night Details
    Showers and thunderstorms. Unseasonably mild. Lows in the lower 60s. South winds 10 to 15 mph. Gusts up to 25 mph late in the evening. Chance of precipitation 80 percent.
  • Forecast day icon
    Sunday
    80% Chance of Storms
    72°
    Forecast night icon
    Night
    Thunderstorms
    64°
    Sunday 4/28
    Day
    72°
    80% Chance of Storms
    Forecast day icon
    Night
    64°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Showers and thunderstorms mainly in the morning. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 80 percent.
    Night Details
    Scattered thunderstorms. Showers. Unseasonably mild. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 90 percent.
  • Forecast day icon
    Monday
    40% Chance of Storms
    67°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Monday 4/29
    Day
    67°
    40% Chance of Storms
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the lower 70s. Southwest winds 10 to 20 mph with gusts up to 30 mph. Chance of precipitation 40 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the upper 40s. West winds 10 to 15 mph. Gusts up to 20 mph in the evening.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Tuesday 4/30
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 70s.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Chance of precipitation 50 percent.
  • Forecast day icon
    Wednesday
    30% Chance of Storms
    74°
    Forecast night icon
    Night
    60% Chance of Storms
    59°
    Wednesday 5/1
    Day
    74°
    30% Chance of Storms
    Forecast day icon
    Night
    59°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 30 percent.
    Night Details
    Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Lows in the upper 50s. Chance of precipitation 60 percent.
  • Forecast day icon
    Thursday
    70% Chance of Storms
    80°
    Forecast night icon
    Night
    50% Chance of Storms
    64°
    Thursday 5/2
    Day
    80°
    70% Chance of Storms
    Forecast day icon
    Night
    64°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning then showers likely in the afternoon. Highs in the mid 70s. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 50s. Chance of precipitation 50 percent.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    68°
    Forecast night icon
    Night
    30% Chance Rain Showers
    50°
    Friday 5/3
    Day
    68°
    30% Chance Rain Showers
    Forecast day icon
    Night
    50°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. A chance of showers in the afternoon. Highs in the upper 60s. Chance of precipitation 30 percent.
    Night Details
    A chance of showers in the evening. Partly cloudy. Lows in the upper 40s. Chance of precipitation 30 percent.
  • Forecast day icon
    Saturday
    Partly Cloudy
    63°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Saturday 5/4
    Day
    63°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. Highs in the upper 60s.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 49F. Dew point will be around 41F with an average humidity of 64%. Winds will be 2 mph from the W.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    63°
    Forecast night icon
    Night
    Clear
    49°
    Sunday 5/5
    Day
    63°
    30% Chance of Rain
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 63F. Dew point will be around 42F with an average humidity of 54%. Winds will be 3 mph from the W.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 40F with an average humidity of 62%. Winds will be 2 mph from the E.
  • Forecast day icon
    Monday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Monday 5/6
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 65F. Dew point will be around 42F with an average humidity of 52%. Winds will be 3 mph from the S.
    Night Details
    Partly cloudy. Low temperature around 50F. Dew point will be around 41F with an average humidity of 62%. Winds will be 5 mph from the E.