Harrisburg, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    Mostly Sunny
    85°
    Forecast night icon
    Night
    Partly Cloudy
    66°
    Monday 5/20
    Day
    85°
    Mostly Sunny
    Forecast day icon
    Night
    66°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 80s. South winds 5 to 10 mph.
    Night Details
    Partly cloudy in the evening then becoming mostly clear. Lows in the upper 60s. South winds around 5 mph.
  • Forecast day icon
    Tuesday
    Sunny
    89°
    Forecast night icon
    Night
    Mostly Cloudy
    69°
    Tuesday 5/21
    Day
    89°
    Sunny
    Forecast day icon
    Night
    69°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs around 90. South winds 15 to 20 mph.
    Night Details
    Mostly clear in the evening then becoming mostly cloudy. Lows around 70. South winds 15 to 20 mph diminishing to around 10 mph after midnight.
  • Forecast day icon
    Wednesday
    60% Chance of Storms
    84°
    Forecast night icon
    Night
    80% Chance of Storms
    65°
    Wednesday 5/22
    Day
    84°
    60% Chance of Storms
    Forecast day icon
    Night
    65°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent.
    Night Details
    Showers and thunderstorms likely in the evening then showers with a chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 80 percent.
  • Forecast day icon
    Thursday
    70% Chance of Storms
    78°
    Forecast night icon
    Night
    70% Chance of Storms
    65°
    Thursday 5/23
    Day
    78°
    70% Chance of Storms
    Forecast day icon
    Night
    65°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 70 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    70% Chance of Storms
    81°
    Forecast night icon
    Night
    50% Chance of Storms
    64°
    Friday 5/24
    Day
    81°
    70% Chance of Storms
    Forecast day icon
    Night
    64°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 70 percent.
    Night Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    82°
    Forecast night icon
    Night
    50% Chance of Storms
    67°
    Saturday 5/25
    Day
    82°
    50% Chance of Storms
    Forecast day icon
    Night
    67°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 50 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    84°
    Forecast night icon
    Night
    80% Chance of Storms
    68°
    Sunday 5/26
    Day
    84°
    50% Chance of Storms
    Forecast day icon
    Night
    68°
    80% Chance of Storms
    Forecast night icon
    Day Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a 80% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 69F with an average humidity of 89%. Winds will be 3 mph from the S.
  • Forecast day icon
    Monday
    70% Chance of Storms
    82°
    Forecast night icon
    Night
    50% Chance of Storms
    63°
    Monday 5/27
    Day
    82°
    70% Chance of Storms
    Forecast day icon
    Night
    63°
    50% Chance of Storms
    Forecast night icon
    Day Details
    Partly cloudy with a 100% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 68F with an average humidity of 72%. Winds will be 4 mph from the W.
    Night Details
    Clear with a 50% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 65F with an average humidity of 88%. Winds will be 3 mph from the NW.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    78°
    Forecast night icon
    Night
    30% Chance of Rain
    60°
    Tuesday 5/28
    Day
    78°
    30% Chance of Rain
    Forecast day icon
    Night
    60°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 30% chance for rain and thunderstorms. High temperature around 78F. Dew point will be around 62F with an average humidity of 70%. Winds will be 5 mph from the NW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 60F. Dew point will be around 60F with an average humidity of 84%. Winds will be 4 mph from the NW.
  • Forecast day icon
    Wednesday
    Sunny
    75°
    Forecast night icon
    Night
    Clear
    57°
    Wednesday 5/29
    Day
    75°
    Sunny
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 75F. Dew point will be around 58F with an average humidity of 65%. Winds will be 7 mph from the NW.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 57F with an average humidity of 84%. Winds will be 5 mph from the NW.