Posen, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    59°
    Friday 5/17
    Forecast night icon
    59°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Patchy fog after midnight. Lows in the upper 50s. East winds 5 to 10 mph in the evening becoming south after midnight.
  • Forecast day icon
    Saturday
    Mostly Sunny
    83°
    Forecast night icon
    Night
    Mostly Clear
    69°
    Saturday 5/18
    Day
    83°
    Mostly Sunny
    Forecast day icon
    Night
    69°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly sunny. Warm with highs in the lower 80s. South winds 5 to 10 mph.
    Night Details
    Mostly clear. Lows in the mid 60s. South winds around 5 mph.
  • Forecast day icon
    Sunday
    Partly Cloudy
    81°
    Forecast night icon
    Night
    Partly Cloudy
    67°
    Sunday 5/19
    Day
    81°
    Partly Cloudy
    Forecast day icon
    Night
    67°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny in the morning then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.
    Night Details
    Mostly cloudy with a slight chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the lower 60s. East winds 5 to 10 mph in the evening becoming southeast after midnight. Chance of precipitation 20 percent.
  • Forecast day icon
    Monday
    40% Chance of Storms
    88°
    Forecast night icon
    Night
    60% Chance of Storms
    70°
    Monday 5/20
    Day
    88°
    40% Chance of Storms
    Forecast day icon
    Night
    70°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 40 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
    80% Chance of Storms
    72°
    Tuesday 5/21
    Day
    85°
    60% Chance of Storms
    Forecast day icon
    Night
    72°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 60 percent.
    Night Details
    Showers with thunderstorms likely in the evening then showers likely with a chance of thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 80 percent.
  • Forecast day icon
    Wednesday
    40% Chance Rain Showers
    78°
    Forecast night icon
    Night
    30% Chance Rain Showers
    61°
    Wednesday 5/22
    Day
    78°
    40% Chance Rain Showers
    Forecast day icon
    Night
    61°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A chance of showers in the afternoon. Highs in the upper 70s. Chance of precipitation 40 percent.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of precipitation 30 percent.
  • Forecast day icon
    Thursday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    58°
    Thursday 5/23
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    58°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Friday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    61°
    Friday 5/24
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    61°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. Highs in the lower 70s.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 61F. Dew point will be around 53F with an average humidity of 68%. Winds will be 3 mph from the SE.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    74°
    Forecast night icon
    Night
    50% Chance of Rain
    62°
    Saturday 5/25
    Day
    74°
    30% Chance of Rain
    Forecast day icon
    Night
    62°
    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 56F with an average humidity of 62%. Winds will be 4 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 62F. Dew point will be around 56F with an average humidity of 72%. Winds will be 2 mph from the S.
  • Forecast day icon
    Sunday
    40% Chance of Rain
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    62°
    Sunday 5/26
    Day
    74°
    40% Chance of Rain
    Forecast day icon
    Night
    62°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 74F. Dew point will be around 58F with an average humidity of 65%. Winds will be 1 mph from the SW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 62F. Dew point will be around 57F with an average humidity of 72%. Winds will be 1 mph from the N.