Monticello, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    48°
    Wednesday 4/17
    Forecast night icon
    48°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Much cooler with lows in the upper 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph becoming north around 5 mph after midnight.
  • Forecast day icon
    Thursday
    70% Chance of Storms
    74°
    Forecast night icon
    Night
    70% Chance of Storms
    46°
    Thursday 4/18
    Day
    74°
    70% Chance of Storms
    Forecast day icon
    Night
    46°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny in the morning then cloudy with showers and thunderstorms likely in the afternoon. Highs in the mid 70s. East winds 5 to 10 mph becoming south 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 70 percent.
    Night Details
    Mostly cloudy. Showers and thunderstorms likely in the evening. Lows in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    Mostly Sunny
    57°
    Forecast night icon
    Night
    Mostly Cloudy
    44°
    Friday 4/19
    Day
    57°
    Mostly Sunny
    Forecast day icon
    Night
    44°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Much cooler with highs in the upper 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
    Night Details
    Mostly cloudy. Lows in the lower 40s. Northwest winds around 10 mph.
  • Forecast day icon
    Saturday
    Partly Cloudy
    55°
    Forecast night icon
    Night
    Partly Cloudy
    36°
    Saturday 4/20
    Day
    55°
    Partly Cloudy
    Forecast day icon
    Night
    36°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the upper 50s. Lows in the mid 30s.
    Night Details
    Partly cloudy. Highs in the upper 50s. Lows in the mid 30s.
  • Forecast day icon
    Sunday
    Partly Cloudy
    56°
    Forecast night icon
    Night
    Mostly Clear
    37°
    Sunday 4/21
    Day
    56°
    Partly Cloudy
    Forecast day icon
    Night
    37°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the upper 50s. Lows in the mid 30s.
    Night Details
    Mostly clear. Lows in the upper 30s. Highs in the lower 60s.
  • Forecast day icon
    Monday
    Mostly Sunny
    63°
    Forecast night icon
    Night
    40% Chance Rain Showers
    49°
    Monday 4/22
    Day
    63°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the upper 30s. Highs in the lower 60s.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Not as cool with lows in the upper 40s. Chance of rain 40 percent.
  • Forecast day icon
    Tuesday
    40% Chance Rain Showers
    66°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Tuesday 4/23
    Day
    66°
    40% Chance Rain Showers
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming mostly sunny. A chance of showers. Highs in the mid 60s. Chance of rain 40 percent.
    Night Details
    Partly cloudy. Lows in the mid 40s. Highs in the mid 60s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Wednesday 4/24
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. Lows in the mid 40s. Highs in the mid 60s.
    Night Details
    Partly cloudy. Low temperature around 52F. Dew point will be around 47F with an average humidity of 70%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    69°
    Forecast night icon
    Night
    50% Chance of Rain
    54°
    Thursday 4/25
    Day
    69°
    40% Chance of Rain
    Forecast day icon
    Night
    54°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 69F. Dew point will be around 50F with an average humidity of 65%. Winds will be 8 mph from the SW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 54F. Dew point will be around 49F with an average humidity of 72%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Friday
    50% Chance of Rain
    69°
    Forecast night icon
    Night
    50% Chance of Rain
    53°
    Friday 4/26
    Day
    69°
    50% Chance of Rain
    Forecast day icon
    Night
    53°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 50%. High temperature around 69F. Dew point will be around 50F with an average humidity of 62%. Winds will be 9 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 45%. Low temperature around 53F. Dew point will be around 47F with an average humidity of 68%. Winds will be 5 mph from the W.