10-Day Weather Forecast - Petersburg, IL

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  • |63°F
    Partly Cloudy

    Tonight

    63°F

    Partly cloudy. Lows around 60. Southeast winds around 5 mph.

    Hourly details
  • 78|66°F
    40% Chance of Storms

    Day

    78°F

    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

    Night

    66°F

    Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

    Hourly details
  • 80|66°F
    40% Chance of Storms

    Day

    80°F

    Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds around 5 mph. Chance of rain 40 percent.

    Night

    66°F

    A chance of thunderstorms in the evening. Showers likely. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 70 percent.

    Hourly details
  • 78|67°F
    70% Chance of Storms

    Day

    78°F

    Showers likely in the morning then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 70 percent.

    Night

    67°F

    Mostly cloudy. A chance of showers in the evening. Lows in the upper 60s. Chance of rain 50 percent.

    Hourly details
  • 84|72°F
    Partly Sunny

    Day

    84°F

    Partly sunny. Highs in the mid 80s.

    Night

    72°F

    Partly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of rain 40 percent.

    Hourly details
  • 90|75°F
    Mostly Sunny

    Day

    90°F

    Mostly sunny. Highs around 90.

    Night

    75°F

    Mostly clear. Lows in the mid 70s. Highs in the lower 90s.

    Hourly details
  • 92|76°F
    Mostly Sunny

    Day

    92°F

    Mostly clear. Lows in the mid 70s. Highs in the lower 90s.

    Night

    76°F

    Mostly clear. Lows in the mid 70s. Highs in the lower 90s.

    Hourly details
  • 92|75°F
    Mostly Sunny

    Day

    92°F

    Mostly clear. Lows in the mid 70s. Highs in the lower 90s.

    Night

    75°F

    Clear with a 30% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 71F with an average humidity of 72%. Winds will be 6 mph from the S.

  • 92|75°F
    30% Chance of Rain

    Day

    92°F

    Sunny with a 30% chance for rain and thunderstorms. High temperature around 92F. Dew point will be around 72F with an average humidity of 65%. Winds will be 6 mph from the S.

    Night

    75°F

    Clear with scattered thunderstorms. Chance of storms 35%. Low temperature around 75F. Dew point will be around 71F with an average humidity of 71%. Winds will be 6 mph from the S.

  • 92|76°F
    30% Chance of Rain

    Day

    92°F

    Sunny with a 25% chance for rain and thunderstorms. High temperature around 92F. Dew point will be around 72F with an average humidity of 64%. Winds will be 5 mph from the SW.

    Night

    76°F

    Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 76F. Dew point will be around 72F with an average humidity of 72%. Winds will be 4 mph from the S.