10-Day Weather Forecast - Petersburg, IL
Weekend Weather
- 53|53°FCloudyHourly details
Today
53°FCloudy. Highs in the mid 50s. Southeast winds around 10 mph with gusts up to 25 mph.
Tonight
53°FCloudy. A slight chance of showers in the evening then a chance of showers after midnight. Not as cool with lows in the lower 50s. Temperature rising into the upper 50s after midnight. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.
- 63|16°FThunderstormsHourly details
Day
63°FShowers with a chance of thunderstorms in the morning then showers in the afternoon. Not as cool with highs in the upper 60s. Temperature falling into the mid 50s in the afternoon. South winds 5 to 10 mph with gusts up to 25 mph increasing to southwest 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of rain 90 percent.
Night
16°FMostly cloudy. A chance of rain showers in the evening. Breezy and much cooler with lows around 15. West winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 40 percent. Wind chill values as low as 3 below after midnight.
- 22|13°FPartly SunnyHourly details
Day
22°FMostly cloudy in the morning then becoming partly sunny. Blustery and much cooler with highs in the mid 20s. Northwest winds 15 to 25 mph with gusts up to 45 mph. Wind chill values as low as 3 below.
Night
13°FMostly clear. Lows 10 to 15. Wind chill values as low as zero.
- 29|27°FPartly CloudyHourly details
Day
29°FPartly cloudy. Highs in the lower 30s. Lows in the mid 20s.
Night
27°FPartly cloudy. Highs in the lower 30s. Lows in the mid 20s.
- 35|18°FMostly CloudyHourly details
Day
35°FMostly cloudy. Highs in the upper 30s. Lows 15 to 20.
Night
18°FMostly cloudy. Highs in the upper 30s. Lows 15 to 20.
- 23|10°FMostly SunnyHourly details
Day
23°FMostly sunny. Cooler with highs in the mid 20s.
Night
10°FMostly clear in the evening then becoming partly cloudy. Lows around 10 above.
- 27|20°FMostly Sunny
Day
27°FMostly sunny. Highs in the upper 20s.
Night
20°FMostly clear. Low temperature around 20F. Dew point will be around 11F with an average humidity of 63%. Winds will be 5 mph from the S.
Weekend Weather
- 37|29°FPartly Cloudy
Day
37°FPartly cloudy. High temperature around 37F. Dew point will be around 24F with an average humidity of 65%. Winds will be 6 mph from the SW.
Night
29°FPartly cloudy. Low temperature around 29F. Dew point will be around 22F with an average humidity of 71%. Winds will be 4 mph from the W.
- 33|29°FSunny
Day
33°FSunny. High temperature around 33F. Dew point will be around 21F with an average humidity of 65%. Winds will be 4 mph from the W.
Night
29°FMostly clear. Low temperature around 29F. Dew point will be around 23F with an average humidity of 73%. Winds will be 1 mph from the W.
- 35|30°FMostly Sunny
Day
35°FMostly sunny. High temperature around 35F. Dew point will be around 22F with an average humidity of 64%. Winds will be 2 mph from the W.
Night
30°FMostly cloudy. Low temperature around 30F. Dew point will be around 23F with an average humidity of 72%. Winds will be 2 mph from the W.














