10-day forecast for McCormick, IL: 67° to 99°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
99°
Best day: Tuesday, August 11
85° · 1.43 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1096° / 73°0
Morning78°feels 79°
Afternoon95°feels 99°
Evening83°feels 88°
Overnight76°feels 78°
96 °
McCormick, Monday, 10 August
Partly cloudy. High 96°, low 73°.
Pressure30.03 inHg
Wind11.3 mph SW
Humidity49%
Visibility6.2 mi
Dew point69°
Tue, 1199° / 75°0
Morning80°feels 83°
Afternoon98°feels 102°
Evening87°feels 92°
Overnight78°feels 79°
99 °
McCormick, Tuesday, 11 August
Clear. High 99°, low 75°.
Pressure29.94 inHg
Wind12.9 mph SW
Humidity41%
Visibility6.2 mi
Dew point68°
Wed, 1290° / 73°0.48
Morning76°feels 77°
Afternoon84°feels 87°
Evening74°feels 76°
Overnight81°feels 84°
90 °
McCormick, Wednesday, 12 August
Rain. High 90°, low 73°.
Pressure29.88 inHg
Wind4 mph W
Humidity66%
Visibility6.2 mi
Dew point70°
Thu, 1380° / 72°0.56
Morning72°feels 73°
Afternoon73°feels 74°
Evening78°feels 79°
Overnight72°feels 74°
80 °
McCormick, Thursday, 13 August
Rain. High 80°, low 72°.
Pressure29.94 inHg
Wind10.2 mph NE
Humidity98%
Visibility—
Dew point71°
Fri, 1485° / 70°1.43
Morning74°feels 77°
Afternoon84°feels 89°
Evening76°feels 77°
Overnight70°feels 71°
85 °
McCormick, Friday, 14 August
Heavy rain. High 85°, low 70°.
Pressure30.00 inHg
Wind10.5 mph NE
Humidity65%
Visibility—
Dew point70°
Sat, 1578° / 67°0.13
Morning70°feels 71°
Afternoon78°feels 79°
Evening74°feels 76°
Overnight69°feels 70°
78 °
McCormick, Saturday, 15 August
Light rain. High 78°, low 67°.
Pressure30.18 inHg
Wind10.7 mph E
Humidity71%
Visibility—
Dew point66°
Sun, 1693° / 68°0.03
Morning75°feels 78°
Afternoon90°feels 98°
Evening83°feels 91°
Overnight74°feels 76°
93 °
McCormick, Sunday, 16 August
Light rain. High 93°, low 68°.
Pressure30.03 inHg
Wind8 mph NW
Humidity53%
Visibility—
Dew point69°
Mon, 1789° / 72°0.13
Morning74°feels 77°
Afternoon82°feels 88°
Evening82°feels 88°
Overnight73°feels 74°
89 °
McCormick, Monday, 17 August
Light rain. High 89°, low 72°.
Pressure30.03 inHg
Wind7.1 mph W
Humidity79%
Visibility—
Dew point73°
Tue, 1891° / 70°0.29
Morning77°feels 80°
Afternoon89°feels 96°
Evening77°feels 78°
Overnight72°feels 73°
91 °
McCormick, Tuesday, 18 August
Rain. High 91°, low 70°.
Pressure29.97 inHg
Wind11.3 mph NW
Humidity55%
Visibility—
Dew point70°
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 McCormick, 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.