10-day forecast for Vernon, IL: 65° to 98°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
97°
Best day: Tuesday, August 11
72° · 0.22 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1098° / 74°0.13
Morning80°feels 80°
Afternoon98°feels 108°
Evening86°feels 90°
Overnight81°feels 86°
98 °
Vernon, Monday, 10 August
Rain. High 98°, low 74°.
Pressure29.94 inHg
Wind14.4 mph SW
Humidity57%
Visibility6.2 mi
Dew point72°
Tue, 1197° / 70°0.01
Morning75°feels 76°
Afternoon96°feels 103°
Evening85°feels 91°
Overnight71°feels 71°
97 °
Vernon, Tuesday, 11 August
Light rain. High 97°, low 70°.
Pressure29.91 inHg
Wind11.2 mph SW
Humidity65%
Visibility6.2 mi
Dew point72°
Wed, 1291° / 76°0.07
Morning78°feels 79°
Afternoon90°feels 99°
Evening81°feels 86°
Overnight83°feels 85°
91 °
Vernon, Wednesday, 12 August
Light rain. High 91°, low 76°.
Pressure29.83 inHg
Wind7.5 mph NW
Humidity62%
Visibility6.2 mi
Dew point73°
Thu, 1385° / 70°0.25
Morning74°feels 77°
Afternoon84°feels 89°
Evening76°feels 77°
Overnight70°feels 71°
85 °
Vernon, Thursday, 13 August
Rain. High 85°, low 70°.
Pressure29.91 inHg
Wind11.9 mph NE
Humidity64%
Visibility—
Dew point70°
Fri, 1472° / 65°0.22
Morning66°feels 67°
Afternoon69°feels 70°
Evening71°feels 72°
Overnight67°feels 68°
72 °
Vernon, Friday, 14 August
Light rain. High 72°, low 65°.
Pressure30.09 inHg
Wind16.9 mph E
Humidity86%
Visibility—
Dew point64°
Sat, 1584° / 65°0.1
Morning69°feels 69°
Afternoon80°feels 80°
Evening78°feels 78°
Overnight71°feels 72°
84 °
Vernon, Saturday, 15 August
Light rain. High 84°, low 65°.
Pressure30.15 inHg
Wind12.9 mph E
Humidity71%
Visibility—
Dew point68°
Sun, 1687° / 69°0
Morning74°feels 76°
Afternoon85°feels 93°
Evening81°feels 87°
Overnight74°feels 75°
87 °
Vernon, Sunday, 16 August
Overcast. High 87°, low 69°.
Pressure30.03 inHg
Wind10.4 mph SE
Humidity66%
Visibility—
Dew point71°
Mon, 1785° / 70°0
Morning74°feels 76°
Afternoon83°feels 86°
Evening79°feels 79°
Overnight74°feels 75°
85 °
Vernon, Monday, 17 August
Partly cloudy. High 85°, low 70°.
Pressure30.06 inHg
Wind9.2 mph E
Humidity64%
Visibility—
Dew point68°
Tue, 1888° / 66°0
Morning72°feels 73°
Afternoon85°feels 89°
Evening81°feels 85°
Overnight76°feels 77°
88 °
Vernon, Tuesday, 18 August
Overcast. High 88°, low 66°.
Pressure30.00 inHg
Wind10.1 mph SE
Humidity55%
Visibility—
Dew point65°
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 Vernon, 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.