Harrisburg, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Mostly Sunny
    84°
    Forecast night icon
    Night
    80% Chance of Storms
    65°
    Thursday 5/2
    Day
    84°
    Mostly Sunny
    Forecast day icon
    Night
    65°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Near steady temperature in the mid 80s. South winds 10 to 15 mph.
    Night Details
    Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening then showers after midnight. Lows in the lower 60s. South winds 5 to 10 mph becoming northwest after midnight. Chance of rain 80 percent.
  • Forecast day icon
    Friday
    80% Chance of Storms
    68°
    Forecast night icon
    Night
    Partly Cloudy
    63°
    Friday 5/3
    Day
    68°
    80% Chance of Storms
    Forecast day icon
    Night
    63°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of thunderstorms. Showers mainly in the morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. Chance of rain 80 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows around 60. Northeast winds around 5 mph.
  • Forecast day icon
    Saturday
    40% Chance of Storms
    78°
    Forecast night icon
    Night
    40% Chance of Storms
    62°
    Saturday 5/4
    Day
    78°
    40% Chance of Storms
    Forecast day icon
    Night
    62°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Northwest winds around 5 mph becoming southwest around 5 mph in the afternoon. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a chance of showers and thunderstorms in the evening then mostly cloudy after midnight. Lows in the lower 60s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    60% Chance of Storms
    77°
    Forecast night icon
    Night
    60% Chance of Storms
    64°
    Sunday 5/5
    Day
    77°
    60% Chance of Storms
    Forecast day icon
    Night
    64°
    60% 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 60 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 60 percent.
  • Forecast day icon
    Monday
    70% Chance of Storms
    76°
    Forecast night icon
    Night
    40% Chance Rain Showers
    66°
    Monday 5/6
    Day
    76°
    70% Chance of Storms
    Forecast day icon
    Night
    66°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning. A chance of thunderstorms. A chance of showers in the morning then showers likely in the afternoon. Highs around 80. Chance of rain 70 percent.
    Night Details
    Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.
  • Forecast day icon
    Tuesday
    60% Chance of Storms
    80°
    Forecast night icon
    Night
    50% Chance of Storms
    68°
    Tuesday 5/7
    Day
    80°
    60% Chance of Storms
    Forecast day icon
    Night
    68°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent.
    Night Details
    Partly cloudy with a chance of thunderstorms. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent.
  • Forecast day icon
    Wednesday
    40% Chance of Storms
    83°
    Forecast night icon
    Night
    70% Chance of Storms
    68°
    Wednesday 5/8
    Day
    83°
    40% Chance of Storms
    Forecast day icon
    Night
    68°
    70% Chance of Storms
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a 65% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 67F with an average humidity of 84%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Thursday
    70% Chance of Storms
    79°
    Forecast night icon
    Night
    70% Chance of Rain
    64°
    Thursday 5/9
    Day
    79°
    70% Chance of Storms
    Forecast day icon
    Night
    64°
    70% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 65% chance for rain and thunderstorms. High temperature around 79F. Dew point will be around 67F with an average humidity of 78%. Winds will be 5 mph from the SW.
    Night Details
    Partly cloudy with a 70% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 66F with an average humidity of 88%. Winds will be 4 mph from the W.
  • Forecast day icon
    Friday
    40% Chance of Rain
    74°
    Forecast night icon
    Night
    50% Chance of Rain
    59°
    Friday 5/10
    Day
    74°
    40% Chance of Rain
    Forecast day icon
    Night
    59°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a 35% chance for rain and thunderstorms. High temperature around 74F. Dew point will be around 61F with an average humidity of 73%. Winds will be 4 mph from the NW.
    Night Details
    Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 59F. Dew point will be around 59F with an average humidity of 85%. Winds will be 4 mph from the N.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    69°
    Forecast night icon
    Night
    30% Chance of Rain
    57°
    Saturday 5/11
    Day
    69°
    40% Chance of Rain
    Forecast day icon
    Night
    57°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 69F. Dew point will be around 56F with an average humidity of 71%. Winds will be 3 mph from the N.
    Night Details
    Mostly cloudy with a 30% chance for rain and thunderstorms. Low temperature around 57F. Dew point will be around 55F with an average humidity of 81%. Winds will be 3 mph from the N.