10-day forecast for Round Prairie, IL: 64° to 96°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Tuesday, August 11
87° · 0.57 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1095° / 76°0
Morning79°feels 80°
Afternoon94°feels 104°
Evening87°feels 95°
Overnight78°feels 80°
95 °
Round Prairie, Monday, 10 August
Clear. High 95°, low 76°.
Pressure29.97 inHg
Wind14.5 mph SW
Humidity56%
Visibility6.2 mi
Dew point72°
Tue, 1196° / 74°0.01
Morning77°feels 79°
Afternoon95°feels 102°
Evening83°feels 87°
Overnight82°feels 84°
96 °
Round Prairie, Tuesday, 11 August
Light rain. High 96°, low 74°.
Pressure29.94 inHg
Wind9.6 mph SW
Humidity55%
Visibility6.2 mi
Dew point72°
Wed, 1289° / 77°0.03
Morning77°feels 78°
Afternoon86°feels 96°
Evening81°feels 88°
Overnight83°feels 85°
89 °
Round Prairie, Wednesday, 12 August
Light rain. High 89°, low 77°.
Pressure29.85 inHg
Wind8.3 mph W
Humidity65%
Visibility6.2 mi
Dew point73°
Thu, 1387° / 71°0.57
Morning71°feels 72°
Afternoon82°feels 87°
Evening81°feels 86°
Overnight73°feels 74°
87 °
Round Prairie, Thursday, 13 August
Rain. High 87°, low 71°.
Pressure29.94 inHg
Wind14 mph E
Humidity72%
Visibility—
Dew point71°
Fri, 1483° / 71°0.09
Morning74°feels 75°
Afternoon80°feels 80°
Evening78°feels 78°
Overnight74°feels 75°
83 °
Round Prairie, Friday, 14 August
Light rain. High 83°, low 71°.
Pressure30.00 inHg
Wind17.1 mph E
Humidity83%
Visibility—
Dew point73°
Sat, 1585° / 70°0.11
Morning73°feels 76°
Afternoon82°feels 87°
Evening80°feels 84°
Overnight74°feels 75°
85 °
Round Prairie, Saturday, 15 August
Light rain. High 85°, low 70°.
Pressure30.12 inHg
Wind11.1 mph E
Humidity74%
Visibility—
Dew point71°
Sun, 1690° / 72°0
Morning80°feels 82°
Afternoon89°feels 96°
Evening82°feels 88°
Overnight75°feels 76°
90 °
Round Prairie, Sunday, 16 August
Mostly clear. High 90°, low 72°.
Pressure30.00 inHg
Wind14 mph W
Humidity55%
Visibility—
Dew point70°
Mon, 1780° / 65°0.04
Morning69°feels 69°
Afternoon78°feels 78°
Evening74°feels 74°
Overnight69°feels 69°
80 °
Round Prairie, Monday, 17 August
Light rain. High 80°, low 65°.
Pressure30.06 inHg
Wind9.7 mph N
Humidity60%
Visibility—
Dew point62°
Tue, 1889° / 64°0.02
Morning71°feels 72°
Afternoon83°feels 85°
Evening81°feels 85°
Overnight73°feels 74°
89 °
Round Prairie, Tuesday, 18 August
Light rain. High 89°, low 64°.
Pressure29.88 inHg
Wind14.5 mph SE
Humidity58%
Visibility—
Dew point64°
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 Round 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.