DeKalb, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Thunderstorms
    56°
    Monday 5/13
    Forecast night icon
    56°
    Thunderstorms
    Hourly
    Night Details
    Showers and a chance of thunderstorms late in the evening then showers likely and a chance of thunderstorms after midnight. Lows in the lower 50s. East winds 10 to 15 mph. Chance of precipitation 90 percent.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    55°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Tuesday 5/14
    Day
    55°
    50% Chance of Storms
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning then a chance of showers in the afternoon. Highs in the upper 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 50 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the mid 40s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening.
  • Forecast day icon
    Wednesday
    Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Wednesday 5/15
    Day
    68°
    Sunny
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s. Northeast winds 10 to 15 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s. East winds 5 to 10 mph.
  • Forecast day icon
    Thursday
    60% Chance of Storms
    70°
    Forecast night icon
    Night
    40% Chance of Storms
    56°
    Thursday 5/16
    Day
    70°
    60% Chance of Storms
    Forecast day icon
    Night
    56°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 60 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Chance of precipitation 40 percent.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    77°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Friday 5/17
    Day
    77°
    30% Chance Rain Showers
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs in the mid 70s. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the mid 50s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    82°
    Forecast night icon
    Night
    Mostly Clear
    59°
    Saturday 5/18
    Day
    82°
    Mostly Sunny
    Forecast day icon
    Night
    59°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 80s.
    Night Details
    Mostly clear. Lows around 60.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    80°
    Forecast night icon
    Night
    30% Chance Rain Showers
    58°
    Sunday 5/19
    Day
    80°
    30% Chance Rain Showers
    Forecast day icon
    Night
    58°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A chance of showers in the afternoon. Highs in the lower 80s. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of precipitation 30 percent.
  • Forecast day icon
    Monday
    30% Chance Rain Showers
    79°
    Forecast night icon
    Night
    30% Chance of Rain
    61°
    Monday 5/20
    Day
    79°
    30% Chance Rain Showers
    Forecast day icon
    Night
    61°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of showers. Highs in the mid 70s. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 61F. Dew point will be around 52F with an average humidity of 65%. Winds will be 5 mph from the S.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    75°
    Forecast night icon
    Night
    40% Chance of Rain
    59°
    Tuesday 5/21
    Day
    75°
    30% Chance of Rain
    Forecast day icon
    Night
    59°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 75F. Dew point will be around 54F with an average humidity of 57%. Winds will be 6 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 59F. Dew point will be around 52F with an average humidity of 66%. Winds will be 4 mph from the S.
  • Forecast day icon
    Wednesday
    30% Chance of Rain
    75°
    Forecast night icon
    Night
    30% Chance of Rain
    57°
    Wednesday 5/22
    Day
    75°
    30% Chance of Rain
    Forecast day icon
    Night
    57°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 75F. Dew point will be around 52F with an average humidity of 55%. Winds will be 6 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 57F. Dew point will be around 49F with an average humidity of 64%. Winds will be 3 mph from the S.