10-Day Weather Forecast - Petersburg, IL

Showers breezy with highs in the mid 60s. South winds 20 to 25 mph with gusts up to 45 mph. Chance of rain 90 percent.

Rain showers in the evening. Snow showers. Patchy blowing snow in the evening. Areas of blowing snow after midnight. Light snow accumulation. Windy and much cooler with lows around 18. West winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 90 percent.

Mostly cloudy. Snow likely mainly in the morning. Areas of blowing snow in the morning then patchy blowing snow in the afternoon. Additional light snow accumulation possible. Blustery and much cooler with highs in the mid 20s. Northwest winds 20 to 25 mph with gusts up to 45 mph. Chance of snow 60 percent. Wind chill values as low as 1 below.

Mostly cloudy in the evening then becoming partly cloudy. Patchy blowing snow in the evening. Cooler with lows around 10 above. Wind chill values as low as 5 below after midnight.

Mostly sunny. Highs around 30. Wind chill values as low as 5 below in the morning.

Mostly cloudy with a chance of snow. A chance of rain after midnight. Not as cool. Near steady temperature in the upper 20s. Temperature rising into the upper 20s after midnight. Chance of precipitation 50 percent.

Mostly cloudy in the morning then clearing. Not as cool with highs in the mid 50s.

Mostly clear. Not as cool with lows in the mid 30s.

Partly cloudy. Highs in the mid 60s. Lows in the lower 40s.

Partly cloudy. Highs in the mid 60s. Lows in the lower 40s.

Partly cloudy. Highs in the mid 60s. Lows in the lower 40s.

Partly cloudy. Low temperature around 44F. Dew point will be around 44F with an average humidity of 67%. Winds will be 5 mph from the W.

Mostly sunny. High temperature around 62F. Dew point will be around 39F with an average humidity of 58%. Winds will be 1 mph from the W.

Clear. Low temperature around 43F. Dew point will be around 37F with an average humidity of 62%. Winds will be 3 mph from the SE.

Mostly sunny. High temperature around 65F. Dew point will be around 41F with an average humidity of 57%. Winds will be 8 mph from the SW.

Clear. Low temperature around 43F. Dew point will be around 39F with an average humidity of 59%. Winds will be 3 mph from the NE.

Mostly sunny. High temperature around 56F. Dew point will be around 37F with an average humidity of 59%. Winds will be 3 mph from the SE.

Mostly clear. Low temperature around 42F. Dew point will be around 36F with an average humidity of 62%. Winds will be 4 mph from the E.