10-day forecast for Sims, IL: 40° to 78°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Friday, October 23
58°
Worst day: Saturday, October 17
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1758° / 44°0
Morning45°feels 40°
Afternoon58°feels 56°
Evening50°feels 49°
Overnight49°feels 43°
58 °
Sims, Saturday, 17 October
Clear. High 58°, low 44°.
Pressure30.56 inHg
Wind7.5 mph NE
Humidity49%
Visibility6.2 mi
Dew point37°
Sun, 1863° / 40°0
Morning43°feels 39°
Afternoon62°feels 60°
Evening52°feels 50°
Overnight44°feels 42°
63 °
Sims, Sunday, 18 October
Clear. High 63°, low 40°.
Pressure30.53 inHg
Wind7.3 mph SE
Humidity48%
Visibility6.2 mi
Dew point39°
Mon, 1968° / 42°0
Morning47°feels 46°
Afternoon68°feels 66°
Evening56°feels 54°
Overnight46°feels 44°
68 °
Sims, Monday, 19 October
Clear. High 68°, low 42°.
Pressure30.42 inHg
Wind4.7 mph S
Humidity48%
Visibility6.2 mi
Dew point43°
Tue, 2070° / 45°0
Morning52°feels 51°
Afternoon68°feels 66°
Evening59°feels 57°
Overnight52°feels 51°
70 °
Sims, Tuesday, 20 October
Clear. High 70°, low 45°.
Pressure30.33 inHg
Wind4.6 mph NE
Humidity37%
Visibility—
Dew point39°
Wed, 2173° / 49°0
Morning56°feels 55°
Afternoon69°feels 67°
Evening62°feels 60°
Overnight57°feels 55°
73 °
Sims, Wednesday, 21 October
Clear. High 73°, low 49°.
Pressure30.30 inHg
Wind4.7 mph E
Humidity37%
Visibility—
Dew point40°
Thu, 2276° / 53°0
Morning59°feels 57°
Afternoon73°feels 71°
Evening64°feels 62°
Overnight59°feels 57°
76 °
Sims, Thursday, 22 October
Partly cloudy. High 76°, low 53°.
Pressure30.24 inHg
Wind5.5 mph E
Humidity23%
Visibility—
Dew point31°
Fri, 2378° / 54°0
Morning60°feels 58°
Afternoon74°feels 73°
Evening65°feels 63°
Overnight60°feels 58°
78 °
Sims, Friday, 23 October
Clear. High 78°, low 54°.
Pressure30.15 inHg
Wind8.7 mph SE
Humidity25%
Visibility—
Dew point35°
Sat, 2476° / 56°0
Morning61°feels 59°
Afternoon73°feels 71°
Evening66°feels 64°
Overnight61°feels 59°
76 °
Sims, Saturday, 24 October
Overcast. High 76°, low 56°.
Pressure30.21 inHg
Wind7.7 mph SE
Humidity30%
Visibility—
Dew point38°
Sun, 2576° / 55°0
Morning61°feels 59°
Afternoon74°feels 72°
Evening66°feels 64°
Overnight60°feels 58°
76 °
Sims, Sunday, 25 October
Overcast. High 76°, low 55°.
Pressure30.21 inHg
Wind7 mph NE
Humidity34%
Visibility—
Dew point42°
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 Sims, 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.