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As of 02:21 CDT

Weather in Grand Tower, IL

73°Current weather

Grand Tower, Sunday, 9 August, 02:21

Clear. Feels like 75°. High 93°, low 72°.

Pressure30.03 inHg
Wind5.1 mph S
Humidity93%
Visibility6.2 mi
Dew point72°

10-day forecast for Grand Tower, IL: 68° to 105°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

105°
Best day: Sunday, August 16
94° · 0.37 in
Worst day: Monday, August 17

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1096° / 75°0Clear
MorningClear79°feels 79°
AfternoonClear96°feels 103°
EveningClear85°feels 90°
OvernightClear78°feels 79°
96 °Clear

Grand Tower, Monday, 10 August

Clear. High 96°, low 75°.

Pressure30.00 inHg
Wind15 mph SW
Humidity50%
Visibility6.2 mi
Dew point71°
Tue, 11100° / 76°0Clear
MorningMostly clear80°feels 83°
AfternoonClear100°feels 104°
EveningClear88°feels 92°
OvernightOvercast78°feels 79°
100 °Clear

Grand Tower, Tuesday, 11 August

Clear. High 100°, low 76°.

Pressure29.94 inHg
Wind13.7 mph SW
Humidity43%
Visibility6.2 mi
Dew point69°
Wed, 12104° / 74°0.11Light rain
MorningOvercast81°feels 85°
AfternoonOvercast97°feels 104°
EveningRain74°feels 75°
OvernightOvercast82°feels 85°
104 °Light rain

Grand Tower, Wednesday, 12 August

Light rain. High 104°, low 74°.

Pressure29.83 inHg
Wind12.8 mph SW
Humidity41%
Visibility6.2 mi
Dew point69°
Thu, 1394° / 73°0.06Light rain
MorningLight rain78°feels 81°
AfternoonLight rain89°feels 95°
EveningLight rain87°feels 92°
OvernightOvercast73°feels 75°
94 °Light rain

Grand Tower, Thursday, 13 August

Light rain. High 94°, low 73°.

Pressure29.88 inHg
Wind9.6 mph NE
Humidity54%
Visibility—
Dew point68°
Fri, 1490° / 71°0.01Light rain
MorningLight rain74°feels 76°
AfternoonLight rain81°feels 84°
EveningLight rain79°feels 79°
OvernightLight rain73°feels 75°
90 °Light rain

Grand Tower, Friday, 14 August

Light rain. High 90°, low 71°.

Pressure30.03 inHg
Wind14.4 mph NE
Humidity69%
Visibility—
Dew point69°
Sat, 1594° / 68°0.06Light rain
MorningLight rain75°feels 77°
AfternoonLight rain91°feels 97°
EveningLight rain88°feels 96°
OvernightLight rain79°feels 82°
94 °Light rain

Grand Tower, Saturday, 15 August

Light rain. High 94°, low 68°.

Pressure30.09 inHg
Wind9.3 mph E
Humidity52%
Visibility—
Dew point68°
Sun, 16105° / 73°0.01Light rain
MorningLight rain85°feels 86°
AfternoonLight rain102°feels 106°
EveningLight rain88°feels 96°
OvernightLight rain78°feels 79°
105 °Light rain

Grand Tower, Sunday, 16 August

Light rain. High 105°, low 73°.

Pressure29.97 inHg
Wind14.4 mph N
Humidity25%
Visibility—
Dew point58°
Mon, 1794° / 73°0.37Rain
MorningRain78°feels 81°
AfternoonRain89°feels 96°
EveningRain84°feels 90°
OvernightRain75°feels 76°
94 °Rain

Grand Tower, Monday, 17 August

Rain. High 94°, low 73°.

Pressure30.03 inHg
Wind10.5 mph N
Humidity54%
Visibility—
Dew point69°
Tue, 1896° / 71°0.02Light rain
MorningLight rain78°feels 80°
AfternoonLight rain93°feels 100°
EveningLight rain90°feels 100°
OvernightLight rain79°feels 83°
96 °Light rain

Grand Tower, Tuesday, 18 August

Light rain. High 96°, low 71°.

Pressure29.97 inHg
Wind8.7 mph SE
Humidity48%
Visibility—
Dew point68°

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.