Petersburg, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Rain
    58°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Tuesday 4/23
    Day
    58°
    Rain
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Showers with isolated thunderstorms. Near steady temperature in the mid 50s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.
    Night Details
    Mostly clear. Lows in the lower 40s. West winds around 10 mph with gusts up to 20 mph becoming northwest after midnight.
  • Forecast day icon
    Wednesday
    Sunny
    61°
    Forecast night icon
    Night
    Mostly Clear
    40°
    Wednesday 4/24
    Day
    61°
    Sunny
    Forecast day icon
    Night
    40°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 60s. Northeast winds 5 to 10 mph.
    Night Details
    Mostly clear. Lows in the upper 30s. East winds 5 to 10 mph.
  • Forecast day icon
    Thursday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    60% Chance Rain Showers
    53°
    Thursday 4/25
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    60% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 60s. Southeast winds around 10 mph.
    Night Details
    Mostly cloudy. Showers likely after midnight. Not as cool with lows in the lower 50s. Chance of rain 60 percent.
  • Forecast day icon
    Friday
    Thunderstorms
    69°
    Forecast night icon
    Night
    Thunderstorms
    65°
    Friday 4/26
    Day
    69°
    Thunderstorms
    Forecast day icon
    Night
    65°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Showers in the morning then showers with a chance of thunderstorms in the afternoon. Locally heavy rainfall possible in the morning. Windy with highs around 70. Chance of rain near 100 percent.
    Night Details
    Showers with thunderstorms likely in the evening then showers likely with a chance of thunderstorms after midnight. Windy and not as cool with lows in the lower 60s. Chance of rain 90 percent.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    80°
    Forecast night icon
    Night
    70% Chance of Storms
    67°
    Saturday 4/27
    Day
    80°
    50% Chance of Storms
    Forecast day icon
    Night
    67°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers and thunderstorms. Breezy with highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Breezy. Lows in the mid 60s. Highs in the upper 70s. Chance of rain 70 percent.
  • Forecast day icon
    Sunday
    70% Chance of Storms
    77°
    Forecast night icon
    Night
    70% Chance of Storms
    61°
    Sunday 4/28
    Day
    77°
    70% Chance of Storms
    Forecast day icon
    Night
    61°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Breezy. Lows in the mid 60s. Highs in the upper 70s. Chance of rain 70 percent.
    Night Details
    A chance of thunderstorms. Showers likely. Breezy with lows in the upper 50s. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    69°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Monday 4/29
    Day
    69°
    50% Chance Rain Showers
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly sunny with a 50 percent chance of showers. Highs around 70.
    Night Details
    Mostly clear. Low temperature around 53F. Dew point will be around 51F with an average humidity of 76%. Winds will be 8 mph from the W.
  • Forecast day icon
    Tuesday
    Sunny
    72°
    Forecast night icon
    Night
    Clear
    55°
    Tuesday 4/30
    Day
    72°
    Sunny
    Forecast day icon
    Night
    55°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 72F. Dew point will be around 50F with an average humidity of 63%. Winds will be 4 mph from the SW.
    Night Details
    Clear. Low temperature around 55F. Dew point will be around 51F with an average humidity of 70%. Winds will be 6 mph from the S.
  • Forecast day icon
    Wednesday
    30% Chance of Rain
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Wednesday 5/1
    Day
    72°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 72F. Dew point will be around 54F with an average humidity of 68%. Winds will be 7 mph from the S.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 58F. Dew point will be around 55F with an average humidity of 75%. Winds will be 6 mph from the S.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    56°
    Thursday 5/2
    Day
    72°
    30% Chance of Rain
    Forecast day icon
    Night
    56°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 72F. Dew point will be around 55F with an average humidity of 68%. Winds will be 4 mph from the S.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 56F. Dew point will be around 54F with an average humidity of 73%. Winds will be 3 mph from the S.