10-day forecast for Sims, IL: 38° to 80°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Saturday, October 24
64°
Worst day: Sunday, October 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1967° / 41°0
Morning45°feels 45°
Afternoon67°feels 66°
Evening56°feels 54°
Overnight45°feels 45°
67 °
Sims, Monday, 19 October
Clear. High 67°, low 41°.
Pressure30.42 inHg
Wind1.2 mph SW
Humidity53%
Visibility6.2 mi
Dew point47°
Tue, 2069° / 45°0
Morning47°feels 46°
Afternoon68°feels 67°
Evening57°feels 56°
Overnight48°feels 48°
69 °
Sims, Tuesday, 20 October
Clear. High 69°, low 45°.
Pressure30.36 inHg
Wind3.1 mph NE
Humidity50%
Visibility6.2 mi
Dew point47°
Wed, 2170° / 45°0
Morning48°feels 46°
Afternoon70°feels 69°
Evening59°feels 58°
Overnight50°feels 50°
70 °
Sims, Wednesday, 21 October
Clear. High 70°, low 45°.
Pressure30.30 inHg
Wind1.5 mph SE
Humidity49%
Visibility6.2 mi
Dew point48°
Thu, 2271° / 47°0
Morning52°feels 51°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight50°feels 49°
71 °
Sims, Thursday, 22 October
Clear. High 71°, low 47°.
Pressure30.27 inHg
Wind5.9 mph NE
Humidity45%
Visibility—
Dew point45°
Fri, 2369° / 48°0
Morning54°feels 52°
Afternoon67°feels 65°
Evening59°feels 58°
Overnight55°feels 54°
69 °
Sims, Friday, 23 October
Clear. High 69°, low 48°.
Pressure30.30 inHg
Wind8.3 mph E
Humidity49%
Visibility—
Dew point46°
Sat, 2480° / 53°0
Morning60°feels 58°
Afternoon75°feels 74°
Evening67°feels 65°
Overnight62°feels 60°
80 °
Sims, Saturday, 24 October
Overcast. High 80°, low 53°.
Pressure30.33 inHg
Wind10.1 mph S
Humidity30%
Visibility—
Dew point40°
Sun, 2577° / 57°0
Morning66°feels 64°
Afternoon74°feels 73°
Evening64°feels 62°
Overnight58°feels 57°
77 °
Sims, Sunday, 25 October
Overcast. High 77°, low 57°.
Pressure30.36 inHg
Wind14.7 mph SW
Humidity32%
Visibility—
Dew point42°
Mon, 2674° / 55°0
Morning61°feels 60°
Afternoon73°feels 71°
Evening66°feels 64°
Overnight62°feels 61°
74 °
Sims, Monday, 26 October
Overcast. High 74°, low 55°.
Pressure30.30 inHg
Wind8.8 mph SW
Humidity28%
Visibility—
Dew point37°
Tue, 2777° / 57°0
Morning62°feels 61°
Afternoon74°feels 73°
Evening67°feels 65°
Overnight63°feels 60°
77 °
Sims, Tuesday, 27 October
Overcast. High 77°, low 57°.
Pressure30.21 inHg
Wind10.1 mph SE
Humidity31%
Visibility—
Dew point41°
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.