Duncan, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    Sunny
    82°
    Forecast night icon
    Night
    Partly Cloudy
    67°
    Saturday 5/18
    Day
    82°
    Sunny
    Forecast day icon
    Night
    67°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. High temperature around 82F. Dew point will be around 62F with an average humidity of 75%. Winds will be 7 mph from the S.
    Night Details
    Mostly clear this evening then becoming partly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
  • Forecast day icon
    Sunday
    Sunny
    87°
    Forecast night icon
    Night
    Partly Cloudy
    68°
    Sunday 5/19
    Day
    87°
    Sunny
    Forecast day icon
    Night
    68°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Northeast winds around 5 mph becoming southeast around 5 mph in the afternoon. Chance of rain 20 percent.
    Night Details
    Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    50% Chance of Storms
    83°
    Forecast night icon
    Night
    60% Chance of Storms
    68°
    Monday 5/20
    Day
    83°
    50% Chance of Storms
    Forecast day icon
    Night
    68°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 60 percent.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    86°
    Forecast night icon
    Night
    80% Chance of Storms
    64°
    Tuesday 5/21
    Day
    86°
    50% Chance of Storms
    Forecast day icon
    Night
    64°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of thunderstorms. A chance of showers. Highs in the upper 80s. Chance of rain 50 percent.
    Night Details
    Showers with thunderstorms likely in the evening then a chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 80 percent.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    72°
    Forecast night icon
    Night
    Mostly Clear
    56°
    Wednesday 5/22
    Day
    72°
    50% Chance Rain Showers
    Forecast day icon
    Night
    56°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Cooler with highs in the lower 70s. Chance of rain 50 percent.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Thursday 5/23
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
    Night Details
    Partly cloudy. Lows in the upper 50s.
  • Forecast day icon
    Friday
    40% Chance Rain Showers
    77°
    Forecast night icon
    Night
    40% Chance of Storms
    61°
    Friday 5/24
    Day
    77°
    40% Chance Rain Showers
    Forecast day icon
    Night
    61°
    40% Chance of Storms
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs around 80. Chance of rain 40 percent.
    Night Details
    Partly cloudy. A chance of showers and thunderstorms in the evening then a chance of showers after midnight. Lows in the mid 50s. Chance of rain 40 percent.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    78°
    Forecast night icon
    Night
    50% Chance of Rain
    62°
    Saturday 5/25
    Day
    78°
    40% Chance Rain Showers
    Forecast day icon
    Night
    62°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a 40 percent chance of showers. Highs in the upper 70s.
    Night Details
    Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 62F. Dew point will be around 59F with an average humidity of 72%. Winds will be 4 mph from the S.
  • Forecast day icon
    Sunday
    50% Chance of Rain
    78°
    Forecast night icon
    Night
    50% Chance of Rain
    63°
    Sunday 5/26
    Day
    78°
    50% Chance of Rain
    Forecast day icon
    Night
    63°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 45%. High temperature around 78F. Dew point will be around 61F with an average humidity of 68%. Winds will be 5 mph from the S.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 50%. Low temperature around 63F. Dew point will be around 60F with an average humidity of 73%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Monday
    40% Chance of Rain
    75°
    Forecast night icon
    Night
    40% Chance of Rain
    61°
    Monday 5/27
    Day
    75°
    40% Chance of Rain
    Forecast day icon
    Night
    61°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 75F. Dew point will be around 60F with an average humidity of 69%. Winds will be 1 mph from the SW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 61F. Dew point will be around 58F with an average humidity of 74%. Winds will be 1 mph from the N.