10-day forecast for Walnut Grove, IL: 64° to 99°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
99°
Best day: Saturday, August 15
90° · 0.23 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1093° / 73°0
Morning77°feels 78°
Afternoon90°feels 99°
Evening83°feels 90°
Overnight78°feels 79°
93 °
Walnut Grove, Monday, 10 August
Overcast. High 93°, low 73°.
Pressure29.88 inHg
Wind3.9 mph SW
Humidity61%
Visibility6.2 mi
Dew point71°
Tue, 1196° / 75°0.02
Morning78°feels 79°
Afternoon94°feels 102°
Evening85°feels 93°
Overnight76°feels 77°
96 °
Walnut Grove, Tuesday, 11 August
Light rain. High 96°, low 75°.
Pressure29.80 inHg
Wind7.7 mph S
Humidity63%
Visibility6.2 mi
Dew point70°
Wed, 1286° / 69°0.03
Morning72°feels 74°
Afternoon86°feels 90°
Evening74°feels 75°
Overnight74°feels 75°
86 °
Walnut Grove, Wednesday, 12 August
Light rain. High 86°, low 69°.
Pressure29.88 inHg
Wind8.8 mph E
Humidity57%
Visibility6.2 mi
Dew point68°
Thu, 1381° / 69°0.14
Morning71°feels 72°
Afternoon84°feels 89°
Evening75°feels 76°
Overnight69°feels 70°
81 °
Walnut Grove, Thursday, 13 August
Light rain. High 81°, low 69°.
Pressure29.88 inHg
Wind10.6 mph S
Humidity70%
Visibility6.2 mi
Dew point72°
Fri, 1490° / 69°0.23
Morning73°feels 75°
Afternoon83°feels 89°
Evening84°feels 91°
Overnight76°feels 77°
90 °
Walnut Grove, Friday, 14 August
Rain. High 90°, low 69°.
Pressure29.94 inHg
Wind14 mph E
Humidity72%
Visibility—
Dew point71°
Sat, 1599° / 74°0
Morning80°feels 81°
Afternoon92°feels 95°
Evening88°feels 92°
Overnight85°feels 85°
99 °
Walnut Grove, Saturday, 15 August
Mostly clear. High 99°, low 74°.
Pressure29.91 inHg
Wind13 mph SW
Humidity40%
Visibility—
Dew point63°
Sun, 1682° / 68°0
Morning72°feels 73°
Afternoon79°feels 80°
Evening75°feels 76°
Overnight68°feels 69°
82 °
Walnut Grove, Sunday, 16 August
Overcast. High 82°, low 68°.
Pressure30.00 inHg
Wind12.2 mph NW
Humidity66%
Visibility—
Dew point66°
Mon, 1789° / 64°0.11
Morning70°feels 72°
Afternoon83°feels 87°
Evening84°feels 90°
Overnight78°feels 82°
89 °
Walnut Grove, Monday, 17 August
Light rain. High 89°, low 64°.
Pressure29.91 inHg
Wind14.4 mph SE
Humidity63%
Visibility—
Dew point66°
Tue, 1893° / 73°0
Morning78°feels 80°
Afternoon89°feels 94°
Evening83°feels 85°
Overnight76°feels 76°
93 °
Walnut Grove, Tuesday, 18 August
Overcast. High 93°, low 73°.
Pressure29.88 inHg
Wind8.9 mph S
Humidity53%
Visibility—
Dew point68°
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 Grove, 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.