10-day forecast for Big Bay, 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
99° · 0.97 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1095° / 73°0
Morning79°feels 80°
Afternoon95°feels 100°
Evening81°feels 86°
Overnight76°feels 77°
95 °
Big Bay, Monday, 10 August
Clear. High 95°, low 73°.
Pressure30.03 inHg
Wind11.7 mph SW
Humidity51%
Visibility6.2 mi
Dew point70°
Tue, 1198° / 75°0
Morning79°feels 79°
Afternoon98°feels 102°
Evening85°feels 91°
Overnight76°feels 77°
98 °
Big Bay, Tuesday, 11 August
Overcast. High 98°, low 75°.
Pressure29.94 inHg
Wind12.7 mph SW
Humidity44%
Visibility6.2 mi
Dew point69°
Wed, 1299° / 72°0.97
Morning75°feels 77°
Afternoon99°feels 105°
Evening76°feels 78°
Overnight81°feels 83°
99 °
Big Bay, Wednesday, 12 August
Heavy rain. High 99°, low 72°.
Pressure29.85 inHg
Wind12.4 mph SW
Humidity47%
Visibility6.2 mi
Dew point70°
Thu, 1388° / 71°0.07
Morning76°feels 80°
Afternoon87°feels 95°
Evening83°feels 91°
Overnight72°feels 73°
88 °
Big Bay, Thursday, 13 August
Light rain. High 88°, low 71°.
Pressure29.91 inHg
Wind7.8 mph E
Humidity63%
Visibility—
Dew point71°
Fri, 1484° / 71°0.05
Morning75°feels 77°
Afternoon83°feels 89°
Evening79°feels 83°
Overnight73°feels 74°
84 °
Big Bay, Friday, 14 August
Light rain. High 84°, low 71°.
Pressure30.00 inHg
Wind10.6 mph E
Humidity69%
Visibility—
Dew point71°
Sat, 1592° / 68°0.11
Morning73°feels 76°
Afternoon87°feels 94°
Evening84°feels 92°
Overnight76°feels 77°
92 °
Big Bay, Saturday, 15 August
Light rain. High 92°, low 68°.
Pressure30.12 inHg
Wind10 mph E
Humidity59%
Visibility—
Dew point69°
Sun, 16105° / 72°0
Morning79°feels 82°
Afternoon92°feels 99°
Evening88°feels 97°
Overnight78°feels 78°
105 °
Big Bay, Sunday, 16 August
Overcast. High 105°, low 72°.
Pressure30.03 inHg
Wind8.4 mph W
Humidity49%
Visibility—
Dew point68°
Mon, 1794° / 72°0.02
Morning78°feels 81°
Afternoon89°feels 96°
Evening84°feels 89°
Overnight75°feels 77°
94 °
Big Bay, Monday, 17 August
Light rain. High 94°, low 72°.
Pressure30.03 inHg
Wind7.6 mph E
Humidity54%
Visibility—
Dew point69°
Tue, 1895° / 71°0
Morning78°feels 80°
Afternoon92°feels 98°
Evening85°feels 91°
Overnight78°feels 78°
95 °
Big Bay, Tuesday, 18 August
Mostly clear. High 95°, low 71°.
Pressure29.97 inHg
Wind7.9 mph E
Humidity49%
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 Big Bay, 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.