10-day forecast for Grand Tower, IL: 32° to 73°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Wednesday, November 11
44°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1257° / 42°0
Morning48°feels 44°
Afternoon52°feels 49°
Evening45°feels 39°
Overnight47°feels 42°
57 °
Grand Tower, Thursday, 12 November
Overcast. High 57°, low 42°.
Pressure29.94 inHg
Wind14.6 mph NW
Humidity50%
Visibility6.2 mi
Dew point35°
Fri, 1344° / 35°0
Morning39°feels 32°
Afternoon44°feels 38°
Evening38°feels 34°
Overnight39°feels 33°
44 °
Grand Tower, Friday, 13 November
Overcast. High 44°, low 35°.
Pressure30.09 inHg
Wind13.1 mph NW
Humidity61%
Visibility6.2 mi
Dew point26°
Sat, 1447° / 32°0
Morning37°feels 34°
Afternoon47°feels 46°
Evening39°feels 39°
Overnight33°feels 30°
47 °
Grand Tower, Saturday, 14 November
Partly cloudy. High 47°, low 32°.
Pressure30.27 inHg
Wind3.3 mph NW
Humidity55%
Visibility6.2 mi
Dew point27°
Sun, 1552° / 32°0
Morning37°feels 35°
Afternoon49°feels 48°
Evening42°feels 39°
Overnight35°feels 35°
52 °
Grand Tower, Sunday, 15 November
Overcast. High 52°, low 32°.
Pressure30.39 inHg
Wind5 mph E
Humidity49%
Visibility—
Dew point29°
Mon, 1655° / 35°0
Morning40°feels 37°
Afternoon52°feels 49°
Evening43°feels 40°
Overnight39°feels 35°
55 °
Grand Tower, Monday, 16 November
Mostly clear. High 55°, low 35°.
Pressure30.45 inHg
Wind5.9 mph E
Humidity45%
Visibility—
Dew point30°
Tue, 1756° / 34°0
Morning40°feels 37°
Afternoon53°feels 49°
Evening45°feels 42°
Overnight40°feels 37°
56 °
Grand Tower, Tuesday, 17 November
Clear. High 56°, low 34°.
Pressure30.36 inHg
Wind6.3 mph E
Humidity39%
Visibility—
Dew point27°
Wed, 1858° / 36°0
Morning42°feels 39°
Afternoon55°feels 52°
Evening47°feels 44°
Overnight42°feels 39°
58 °
Grand Tower, Wednesday, 18 November
Clear. High 58°, low 36°.
Pressure30.27 inHg
Wind9 mph SE
Humidity34%
Visibility—
Dew point26°
Thu, 1961° / 40°0
Morning49°feels 46°
Afternoon60°feels 57°
Evening54°feels 51°
Overnight54°feels 51°
61 °
Grand Tower, Thursday, 19 November
Overcast. High 61°, low 40°.
Pressure30.12 inHg
Wind13.1 mph S
Humidity37%
Visibility—
Dew point32°
Fri, 2067° / 53°0.03
Morning56°feels 54°
Afternoon61°feels 59°
Evening62°feels 60°
Overnight59°feels 58°
67 °
Grand Tower, Friday, 20 November
Light rain. High 67°, low 53°.
Pressure29.97 inHg
Wind17.5 mph S
Humidity47%
Visibility—
Dew point40°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Grand Tower, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.