Weather forecast for: Saint Jacob IL
Last Update: 6:01 am CDT Sep 6, 2026
Today: Cloudy through mid morning, then gradual clearing, with a high near 89. Northeast wind 6 to 9 mph.
Tonight: Partly cloudy, with a low around 63. East wind 5 to 9 mph.
Labor Day: Sunny, with a high near 87. East wind 5 to 7 mph.
Monday Night: Mostly clear, with a low around 63. East wind around 6 mph becoming calm after midnight.
Tuesday: Sunny, with a high near 94. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night: Mostly clear, with a low around 73.
Wednesday: Sunny and hot, with a high near 98.
Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Thursday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 85.
Thursday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Friday: A 20 percent chance of showers. Sunny, with a high near 86.
Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 64.
Saturday: A 20 percent chance of showers. Sunny, with a high near 90.