Petersburg, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Thunderstorms
    78°
    Forecast night icon
    Night
    50% Chance of Storms
    63°
    Tuesday 4/16
    Day
    78°
    Thunderstorms
    Forecast day icon
    Night
    63°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers with a chance of thunderstorms. Some thunderstorms may be severe with damaging winds large hail and tornadoes. Windy with highs in the lower 80s. Temperature falling into the upper 70s late. South winds 25 to 30 mph with gusts up to 40 mph. Chance of rain 90 percent.
    Night Details
    Partly cloudy. A chance of showers and thunderstorms in the evening. Some thunderstorms may be severe with damaging winds large hail and tornadoes. Breezy with lows in the lower 60s. South winds 15 to 25 mph. Gusts up to 40 mph in the evening. Chance of rain 50 percent.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Wednesday 4/17
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny and breezy cooler. Less humid with highs in the lower 70s. West winds 15 to 25 mph with gusts up to 35 mph.
    Night Details
    Mostly clear. Cooler with lows in the upper 40s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.
  • Forecast day icon
    Thursday
    70% Chance of Storms
    68°
    Forecast night icon
    Night
    70% Chance of Storms
    45°
    Thursday 4/18
    Day
    68°
    70% Chance of Storms
    Forecast day icon
    Night
    45°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs around 70. East winds 10 to 15 mph. Chance of rain 70 percent.
    Night Details
    Showers likely with a chance of thunderstorms in the evening then partly cloudy after midnight. Lows in the lower 40s. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    Partly Cloudy
    58°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Friday 4/19
    Day
    58°
    Partly Cloudy
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the upper 50s. Lows in the upper 30s.
    Night Details
    Partly cloudy. Highs in the upper 50s. Lows in the upper 30s.
  • Forecast day icon
    Saturday
    Partly Cloudy
    55°
    Forecast night icon
    Night
    Partly Cloudy
    37°
    Saturday 4/20
    Day
    55°
    Partly Cloudy
    Forecast day icon
    Night
    37°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the mid 50s. Lows in the mid 30s.
    Night Details
    Partly cloudy. Highs in the mid 50s. Lows in the mid 30s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    57°
    Forecast night icon
    Night
    Mostly Clear
    39°
    Sunday 4/21
    Day
    57°
    Mostly Sunny
    Forecast day icon
    Night
    39°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the upper 50s. Lows in the upper 30s.
    Night Details
    Mostly clear. Highs in the upper 50s. Lows in the upper 30s.
  • Forecast day icon
    Monday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Clear
    47°
    Monday 4/22
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the mid 60s.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 39F with an average humidity of 60%. Winds will be 9 mph from the S.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    65°
    Forecast night icon
    Night
    30% Chance of Rain
    51°
    Tuesday 4/23
    Day
    65°
    40% Chance of Rain
    Forecast day icon
    Night
    51°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 65F. Dew point will be around 46F with an average humidity of 63%. Winds will be 7 mph from the SW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 51F. Dew point will be around 49F with an average humidity of 77%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    40% Chance of Rain
    53°
    Wednesday 4/24
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 68F. Dew point will be around 51F with an average humidity of 67%. Winds will be 4 mph from the SW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 53F. Dew point will be around 51F with an average humidity of 74%. Winds will be 5 mph from the S.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    70°
    Forecast night icon
    Night
    40% Chance of Rain
    54°
    Thursday 4/25
    Day
    70°
    40% Chance of Rain
    Forecast day icon
    Night
    54°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 70F. Dew point will be around 53F with an average humidity of 67%. Winds will be 6 mph from the SW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 54F. Dew point will be around 53F with an average humidity of 76%. Winds will be 4 mph from the SW.