10-day forecast for West Salem, IL: 68° to 100°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
100°
Best day: Saturday, August 15
90° · 0.19 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1095° / 75°0.01
Morning78°feels 80°
Afternoon94°feels 105°
Evening87°feels 97°
Overnight78°feels 80°
95 °
West Salem, Monday, 10 August
Light rain. High 95°, low 75°.
Pressure29.97 inHg
Wind14 mph SW
Humidity58%
Visibility6.2 mi
Dew point73°
Tue, 1196° / 76°0
Morning78°feels 79°
Afternoon96°feels 104°
Evening87°feels 91°
Overnight81°feels 84°
96 °
West Salem, Tuesday, 11 August
Mostly clear. High 96°, low 76°.
Pressure29.91 inHg
Wind9.2 mph SW
Humidity56%
Visibility6.2 mi
Dew point73°
Wed, 1287° / 73°0.13
Morning77°feels 79°
Afternoon84°feels 90°
Evening79°feels 79°
Overnight77°feels 78°
87 °
West Salem, Wednesday, 12 August
Light rain. High 87°, low 73°.
Pressure29.88 inHg
Wind7.4 mph W
Humidity79%
Visibility6.2 mi
Dew point73°
Thu, 1387° / 71°0.01
Morning74°feels 75°
Afternoon87°feels 93°
Evening83°feels 92°
Overnight70°feels 72°
87 °
West Salem, Thursday, 13 August
Light rain. High 87°, low 71°.
Pressure29.94 inHg
Wind7.9 mph SW
Humidity68%
Visibility6.2 mi
Dew point72°
Fri, 1496° / 75°0.01
Morning79°feels 83°
Afternoon90°feels 100°
Evening86°feels 97°
Overnight81°feels 84°
96 °
West Salem, Friday, 14 August
Light rain. High 96°, low 75°.
Pressure29.97 inHg
Wind8.8 mph S
Humidity56%
Visibility—
Dew point71°
Sat, 15100° / 76°0
Morning82°feels 84°
Afternoon95°feels 100°
Evening86°feels 91°
Overnight83°feels 85°
100 °
West Salem, Saturday, 15 August
Mostly clear. High 100°, low 76°.
Pressure30.00 inHg
Wind12.6 mph S
Humidity39%
Visibility—
Dew point65°
Sun, 1693° / 78°0
Morning83°feels 86°
Afternoon90°feels 97°
Evening84°feels 94°
Overnight78°feels 79°
93 °
West Salem, Sunday, 16 August
Clear. High 93°, low 78°.
Pressure29.94 inHg
Wind13.7 mph SW
Humidity50%
Visibility—
Dew point69°
Mon, 1790° / 68°0.19
Morning74°feels 76°
Afternoon84°feels 91°
Evening85°feels 95°
Overnight80°feels 85°
90 °
West Salem, Monday, 17 August
Light rain. High 90°, low 68°.
Pressure30.00 inHg
Wind11 mph S
Humidity68%
Visibility—
Dew point70°
Tue, 1896° / 77°0
Morning82°feels 84°
Afternoon94°feels 99°
Evening85°feels 93°
Overnight81°feels 84°
96 °
West Salem, Tuesday, 18 August
Overcast. High 96°, low 77°.
Pressure29.91 inHg
Wind13.5 mph SW
Humidity37%
Visibility—
Dew point63°
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 West Salem, 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.