10-Day Weather Forecast - Petersburg, IL

Showers. Highs in the lower 50s. East winds around 5 mph. Chance of rain near 100 percent.

Showers. A chance of thunderstorms after midnight. Near steady temperature in the upper 40s. East winds 5 to 10 mph. Chance of rain 90 percent.

Showers likely in the morning then showers with a chance of thunderstorms in the afternoon. Not as cool with highs in the lower 60s. Southeast winds 5 to 10 mph becoming south in the afternoon. Chance of rain 80 percent.

Showers with a chance of thunderstorms. Lows in the upper 40s. Chance of rain 90 percent.

Mostly cloudy in the morning then becoming partly sunny. A 50 percent chance of showers. Highs in the mid 60s.

Mostly clear in the evening then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows around 50. Chance of rain 50 percent.

A chance of thunderstorms in the morning. Showers likely. Not as cool with highs in the mid 70s. Chance of rain 70 percent.

Showers likely with a chance of thunderstorms in the evening then showers after midnight. Lows in the lower 50s. Chance of rain 80 percent.

Cloudy. A chance of showers in the morning. Cooler with highs in the lower 60s. Chance of rain 40 percent.

Mostly cloudy in the evening then clearing. Cooler with lows in the lower 40s.

Partly sunny. Highs in the mid 60s.

Clear. Low temperature around 46F. Dew point will be around 40F with an average humidity of 69%. Winds will be 6 mph from the SW.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 65F. Dew point will be around 44F with an average humidity of 62%. Winds will be 9 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 52F. Dew point will be around 47F with an average humidity of 73%. Winds will be 8 mph from the S.

Mostly cloudy with probable rain. Chance of precipitation 75%. High temperature around 61F. Dew point will be around 47F with an average humidity of 69%. Winds will be 7 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 72%. Winds will be 4 mph from the NW.

Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 45F. Dew point will be around 31F with an average humidity of 64%. Winds will be 7 mph from the NW.

Mostly cloudy. Low temperature around 27F. Dew point will be around 20F with an average humidity of 59%. Winds will be 8 mph from the NW.