62942 Weather (Grand Tower, IL)

Weather forecast for: Grand Tower IL

Last Update: 1:31 pm CDT Oct 1, 2026

This Afternoon: Mostly cloudy, with a high near 90. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.

Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 66. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

Friday: Showers and possibly a thunderstorm before 4pm, then a slight chance of showers after 5pm. High near 70. Light north wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 90%.

Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 54. North northeast wind 6 to 8 mph.

Saturday: Partly sunny, with a high near 72. Northeast wind around 7 mph.

Saturday Night: Mostly cloudy, with a low around 54. Light east northeast wind.

Sunday: Mostly sunny, with a high near 76. Calm wind becoming north 5 to 7 mph in the afternoon.

Sunday Night: Mostly clear, with a low around 52. Light north wind.

Monday: Sunny, with a high near 72. North northeast wind 3 to 8 mph.

Monday Night: Clear, with a low around 47. Light east northeast wind.

Tuesday: Sunny, with a high near 72. Light east wind.

Tuesday Night: Mostly clear, with a low around 47. Calm wind.

Wednesday: Sunny, with a high near 75. Calm wind.