10-day forecast for Diona, IL: 61° to 91°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
91°
Best day: Sunday, August 9
82° · 2.72 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0991° / 72°0
Morning75°feels 77°
Afternoon89°feels 100°
Evening85°feels 98°
Overnight74°feels 76°
91 °
Diona, Sunday, 9 August
Overcast. High 91°, low 72°.
Pressure30.00 inHg
Wind13.2 mph S
Humidity67%
Visibility6.2 mi
Dew point72°
Mon, 1089° / 76°0.02
Morning78°feels 79°
Afternoon88°feels 97°
Evening82°feels 87°
Overnight80°feels 80°
89 °
Diona, Monday, 10 August
Light rain. High 89°, low 76°.
Pressure29.97 inHg
Wind13.6 mph SW
Humidity68%
Visibility6.2 mi
Dew point74°
Tue, 1191° / 74°0.03
Morning76°feels 77°
Afternoon89°feels 101°
Evening86°feels 91°
Overnight77°feels 78°
91 °
Diona, Tuesday, 11 August
Light rain. High 91°, low 74°.
Pressure29.85 inHg
Wind15.1 mph SW
Humidity73%
Visibility6.2 mi
Dew point74°
Wed, 1286° / 69°0.95
Morning76°feels 78°
Afternoon85°feels 95°
Evening71°feels 72°
Overnight81°feels 84°
86 °
Diona, Wednesday, 12 August
Heavy rain. High 86°, low 69°.
Pressure29.85 inHg
Wind4.9 mph W
Humidity75%
Visibility6.2 mi
Dew point76°
Thu, 1382° / 67°2.72
Morning72°feels 74°
Afternoon79°feels 83°
Evening67°feels 68°
Overnight67°feels 68°
82 °
Diona, Thursday, 13 August
Heavy rain. High 82°, low 67°.
Pressure29.94 inHg
Wind17.1 mph NE
Humidity70%
Visibility—
Dew point69°
Fri, 1475° / 66°0.11
Morning68°feels 69°
Afternoon73°feels 74°
Evening72°feels 73°
Overnight67°feels 68°
75 °
Diona, Friday, 14 August
Light rain. High 75°, low 66°.
Pressure30.09 inHg
Wind12.3 mph E
Humidity82%
Visibility—
Dew point66°
Sat, 1569° / 62°0.02
Morning65°feels 65°
Afternoon68°feels 68°
Evening67°feels 67°
Overnight64°feels 64°
69 °
Diona, Saturday, 15 August
Light rain. High 69°, low 62°.
Pressure30.27 inHg
Wind12.3 mph E
Humidity80%
Visibility—
Dew point61°
Sun, 1672° / 61°0.13
Morning66°feels 66°
Afternoon72°feels 73°
Evening71°feels 72°
Overnight69°feels 70°
72 °
Diona, Sunday, 16 August
Light rain. High 72°, low 61°.
Pressure30.09 inHg
Wind7.9 mph SE
Humidity86%
Visibility—
Dew point66°
Mon, 1777° / 65°0.06
Morning68°feels 69°
Afternoon75°feels 76°
Evening73°feels 74°
Overnight69°feels 69°
77 °
Diona, Monday, 17 August
Light rain. High 77°, low 65°.
Pressure30.06 inHg
Wind6.4 mph N
Humidity85%
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 Diona, 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.