Harrisburg, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Clear
    64°
    Sunday 5/19
    Forecast night icon
    64°
    Clear
    Hourly
    Night Details
    Clear. Lows in the lower 60s. Calm winds becoming south around 5 mph after midnight.
  • Forecast day icon
    Monday
    Mostly Sunny
    89°
    Forecast night icon
    Night
    Partly Cloudy
    68°
    Monday 5/20
    Day
    89°
    Mostly Sunny
    Forecast day icon
    Night
    68°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 80s. South winds 5 to 10 mph.
    Night Details
    Partly cloudy in the evening then becoming mostly clear. Lows in the mid 60s. South winds around 5 mph.
  • Forecast day icon
    Tuesday
    Sunny
    88°
    Forecast night icon
    Night
    30% Chance Rain Showers
    70°
    Tuesday 5/21
    Day
    88°
    Sunny
    Forecast day icon
    Night
    70°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 80s. South winds 10 to 15 mph.
    Night Details
    Mostly clear in the evening then mostly cloudy with a chance of showers after midnight. Lows in the lower 70s. South winds 10 to 15 mph. Chance of rain 30 percent.
  • Forecast day icon
    Wednesday
    50% Chance of Storms
    84°
    Forecast night icon
    Night
    80% Chance of Storms
    67°
    Wednesday 5/22
    Day
    84°
    50% Chance of Storms
    Forecast day icon
    Night
    67°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
    Night Details
    Showers with thunderstorms likely in the evening then showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 80 percent.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    78°
    Forecast night icon
    Night
    50% Chance of Storms
    65°
    Thursday 5/23
    Day
    78°
    50% Chance of Storms
    Forecast day icon
    Night
    65°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    60% Chance of Storms
    81°
    Forecast night icon
    Night
    50% Chance of Storms
    64°
    Friday 5/24
    Day
    81°
    60% Chance of Storms
    Forecast day icon
    Night
    64°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent.
    Night Details
    A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    83°
    Forecast night icon
    Night
    40% Chance of Storms
    65°
    Saturday 5/25
    Day
    83°
    40% Chance Rain Showers
    Forecast day icon
    Night
    65°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 40 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    84°
    Forecast night icon
    Night
    60% Chance of Storms
    68°
    Sunday 5/26
    Day
    84°
    50% Chance of Storms
    Forecast day icon
    Night
    68°
    60% Chance of Storms
    Forecast night icon
    Day Details
    Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
    Night Details
    Mostly clear with a 55% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 67F with an average humidity of 87%. Winds will be 3 mph from the S.
  • Forecast day icon
    Monday
    50% Chance of Rain
    83°
    Forecast night icon
    Night
    60% Chance of Rain
    65°
    Monday 5/27
    Day
    83°
    50% Chance of Rain
    Forecast day icon
    Night
    65°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a 45% chance for rain and thunderstorms. High temperature around 83F. Dew point will be around 67F with an average humidity of 70%. Winds will be 4 mph from the SW.
    Night Details
    Mostly clear with a 60% chance for rain and thunderstorms. Low temperature around 65F. Dew point will be around 66F with an average humidity of 85%. Winds will be 2 mph from the W.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    81°
    Forecast night icon
    Night
    30% Chance of Rain
    62°
    Tuesday 5/28
    Day
    81°
    40% Chance of Rain
    Forecast day icon
    Night
    62°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 40%. High temperature around 81F. Dew point will be around 64F with an average humidity of 68%. Winds will be 3 mph from the NW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 62F. Dew point will be around 61F with an average humidity of 81%. Winds will be 3 mph from the NW.