10-day forecast for Walnut Prairie, IL: 62° to 92°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Sunday, August 9
82° · 2.11 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0992° / 73°0
Morning77°feels 79°
Afternoon90°feels 103°
Evening86°feels 98°
Overnight75°feels 76°
92 °
Walnut Prairie, Sunday, 9 August
Overcast. High 92°, low 73°.
Pressure30.03 inHg
Wind11.7 mph SW
Humidity68%
Visibility6.2 mi
Dew point73°
Mon, 1091° / 77°0
Morning79°feels 79°
Afternoon89°feels 98°
Evening82°feels 88°
Overnight81°feels 85°
91 °
Walnut Prairie, Monday, 10 August
Clear. High 91°, low 77°.
Pressure29.97 inHg
Wind13 mph SW
Humidity66%
Visibility6.2 mi
Dew point74°
Tue, 1191° / 74°0.03
Morning77°feels 78°
Afternoon91°feels 104°
Evening83°feels 89°
Overnight79°feels 79°
91 °
Walnut Prairie, Tuesday, 11 August
Light rain. High 91°, low 74°.
Pressure29.88 inHg
Wind13.1 mph SW
Humidity70%
Visibility6.2 mi
Dew point76°
Wed, 1286° / 70°0.93
Morning77°feels 79°
Afternoon86°feels 97°
Evening71°feels 72°
Overnight83°feels 86°
86 °
Walnut Prairie, Wednesday, 12 August
Heavy rain. High 86°, low 70°.
Pressure29.85 inHg
Wind6 mph W
Humidity76%
Visibility6.2 mi
Dew point77°
Thu, 1382° / 67°2.11
Morning73°feels 75°
Afternoon80°feels 84°
Evening69°feels 70°
Overnight68°feels 69°
82 °
Walnut Prairie, Thursday, 13 August
Heavy rain. High 82°, low 67°.
Pressure29.97 inHg
Wind12.8 mph N
Humidity69%
Visibility—
Dew point69°
Fri, 1476° / 66°0.16
Morning68°feels 69°
Afternoon71°feels 72°
Evening73°feels 74°
Overnight69°feels 69°
76 °
Walnut Prairie, Friday, 14 August
Light rain. High 76°, low 66°.
Pressure30.09 inHg
Wind11 mph E
Humidity87%
Visibility—
Dew point66°
Sat, 1570° / 62°0.01
Morning64°feels 64°
Afternoon69°feels 70°
Evening68°feels 69°
Overnight65°feels 65°
70 °
Walnut Prairie, Saturday, 15 August
Light rain. High 70°, low 62°.
Pressure30.27 inHg
Wind8.9 mph E
Humidity81%
Visibility—
Dew point62°
Sun, 1674° / 62°0.11
Morning67°feels 67°
Afternoon74°feels 75°
Evening72°feels 73°
Overnight70°feels 71°
74 °
Walnut Prairie, Sunday, 16 August
Light rain. High 74°, low 62°.
Pressure30.09 inHg
Wind7.9 mph NE
Humidity84%
Visibility—
Dew point68°
Mon, 1778° / 67°0.06
Morning69°feels 70°
Afternoon74°feels 75°
Evening74°feels 75°
Overnight69°feels 70°
78 °
Walnut Prairie, Monday, 17 August
Light rain. High 78°, low 67°.
Pressure30.06 inHg
Wind6 mph NE
Humidity90%
Visibility—
Dew point69°
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 Walnut Prairie, 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.