10-day forecast for Grand Tower, IL: 32° to 71°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Monday, November 9
44°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1070° / 42°0
Morning51°feels 49°
Afternoon70°feels 69°
Evening49°feels 47°
Overnight46°feels 44°
70 °
Grand Tower, Tuesday, 10 November
Clear. High 70°, low 42°.
Pressure30.09 inHg
Wind2.3 mph W
Humidity54%
Visibility6.2 mi
Dew point49°
Wed, 1169° / 45°0.04
Morning54°feels 53°
Afternoon69°feels 68°
Evening56°feels 54°
Overnight45°feels 44°
69 °
Grand Tower, Wednesday, 11 November
Light rain. High 69°, low 45°.
Pressure29.80 inHg
Wind11.7 mph SW
Humidity75%
Visibility6.2 mi
Dew point58°
Thu, 1254° / 43°0
Morning47°feels 43°
Afternoon53°feels 50°
Evening45°feels 39°
Overnight49°feels 44°
54 °
Grand Tower, Thursday, 12 November
Overcast. High 54°, low 43°.
Pressure29.97 inHg
Wind11.4 mph NW
Humidity55%
Visibility6.2 mi
Dew point37°
Fri, 1344° / 36°0
Morning39°feels 33°
Afternoon44°feels 38°
Evening41°feels 36°
Overnight38°feels 32°
44 °
Grand Tower, Friday, 13 November
Overcast. High 44°, low 36°.
Pressure30.09 inHg
Wind13 mph NW
Humidity58%
Visibility6.2 mi
Dew point23°
Sat, 1447° / 32°0
Morning36°feels 33°
Afternoon46°feels 46°
Evening40°feels 40°
Overnight36°feels 35°
47 °
Grand Tower, Saturday, 14 November
Clear. High 47°, low 32°.
Pressure30.24 inHg
Wind4.6 mph NW
Humidity55%
Visibility—
Dew point29°
Sun, 1553° / 33°0
Morning38°feels 38°
Afternoon50°feels 47°
Evening44°feels 42°
Overnight40°feels 39°
53 °
Grand Tower, Sunday, 15 November
Overcast. High 53°, low 33°.
Pressure30.27 inHg
Wind5.4 mph S
Humidity45%
Visibility—
Dew point28°
Mon, 1658° / 39°0
Morning44°feels 41°
Afternoon55°feels 52°
Evening47°feels 45°
Overnight43°feels 40°
58 °
Grand Tower, Monday, 16 November
Overcast. High 58°, low 39°.
Pressure30.33 inHg
Wind6.5 mph SE
Humidity33%
Visibility—
Dew point25°
Tue, 1760° / 39°0
Morning44°feels 41°
Afternoon56°feels 53°
Evening48°feels 46°
Overnight44°feels 41°
60 °
Grand Tower, Tuesday, 17 November
Clear. High 60°, low 39°.
Pressure30.42 inHg
Wind5.8 mph E
Humidity35%
Visibility—
Dew point28°
Wed, 1862° / 40°0
Morning46°feels 43°
Afternoon59°feels 56°
Evening50°feels 47°
Overnight46°feels 43°
62 °
Grand Tower, Wednesday, 18 November
Overcast. High 62°, low 40°.
Pressure30.36 inHg
Wind7.8 mph S
Humidity35%
Visibility—
Dew point30°
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.