10-day forecast for Diana, IL: 66° to 99°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
99°
Best day: Tuesday, August 11
87° · 0.35 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1097° / 76°0
Morning80°feels 80°
Afternoon96°feels 102°
Evening86°feels 89°
Overnight78°feels 80°
97 °
Diana, Monday, 10 August
Clear. High 97°, low 76°.
Pressure29.97 inHg
Wind15.3 mph SW
Humidity46%
Visibility6.2 mi
Dew point69°
Tue, 1199° / 78°0
Morning81°feels 84°
Afternoon99°feels 103°
Evening91°feels 95°
Overnight79°feels 79°
99 °
Diana, Tuesday, 11 August
Overcast. High 99°, low 78°.
Pressure29.91 inHg
Wind9.2 mph SW
Humidity49%
Visibility6.2 mi
Dew point70°
Wed, 1298° / 73°0.24
Morning81°feels 85°
Afternoon98°feels 105°
Evening80°feels 85°
Overnight85°feels 87°
98 °
Diana, Wednesday, 12 August
Rain. High 98°, low 73°.
Pressure29.83 inHg
Wind13.2 mph W
Humidity44%
Visibility6.2 mi
Dew point70°
Thu, 1387° / 71°0.35
Morning76°feels 80°
Afternoon85°feels 93°
Evening80°feels 85°
Overnight72°feels 73°
87 °
Diana, Thursday, 13 August
Rain. High 87°, low 71°.
Pressure29.91 inHg
Wind13.6 mph NE
Humidity66%
Visibility—
Dew point72°
Fri, 1476° / 68°0.24
Morning70°feels 71°
Afternoon75°feels 76°
Evening74°feels 75°
Overnight69°feels 70°
76 °
Diana, Friday, 14 August
Rain. High 76°, low 68°.
Pressure30.03 inHg
Wind13.7 mph NE
Humidity79%
Visibility—
Dew point67°
Sat, 1587° / 66°0.06
Morning71°feels 73°
Afternoon82°feels 87°
Evening80°feels 85°
Overnight73°feels 74°
87 °
Diana, Saturday, 15 August
Light rain. High 87°, low 66°.
Pressure30.12 inHg
Wind12.5 mph E
Humidity69%
Visibility—
Dew point69°
Sun, 1692° / 69°0.01
Morning78°feels 81°
Afternoon91°feels 100°
Evening83°feels 92°
Overnight75°feels 76°
92 °
Diana, Sunday, 16 August
Light rain. High 92°, low 69°.
Pressure30.00 inHg
Wind10.9 mph NW
Humidity52%
Visibility—
Dew point69°
Mon, 1788° / 71°0.03
Morning75°feels 78°
Afternoon85°feels 91°
Evening81°feels 84°
Overnight75°feels 76°
88 °
Diana, Monday, 17 August
Light rain. High 88°, low 71°.
Pressure30.06 inHg
Wind7.8 mph NE
Humidity60%
Visibility—
Dew point69°
Tue, 1890° / 69°0
Morning74°feels 76°
Afternoon87°feels 91°
Evening82°feels 86°
Overnight76°feels 76°
90 °
Diana, Tuesday, 18 August
Clear. High 90°, low 69°.
Pressure30.00 inHg
Wind8.9 mph E
Humidity51%
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 Diana, 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.