10-day forecast for Sims, IL: 56° to 98°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
98°
Best day: Tuesday, August 11
82° · 0.74 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0992° / 74°0
Morning78°feels 80°
Afternoon91°feels 96°
Evening83°feels 89°
Overnight76°feels 77°
92 °
Sims, Sunday, 9 August
Mostly clear. High 92°, low 74°.
Pressure30.00 inHg
Wind11.5 mph S
Humidity54%
Visibility6.2 mi
Dew point69°
Mon, 1096° / 76°0
Morning78°feels 79°
Afternoon94°feels 101°
Evening83°feels 87°
Overnight77°feels 79°
96 °
Sims, Monday, 10 August
Partly cloudy. High 96°, low 76°.
Pressure30.00 inHg
Wind14.9 mph SW
Humidity52%
Visibility6.2 mi
Dew point71°
Tue, 1198° / 76°0
Morning79°feels 79°
Afternoon95°feels 102°
Evening88°feels 92°
Overnight81°feels 83°
98 °
Sims, Tuesday, 11 August
Mostly clear. High 98°, low 76°.
Pressure29.91 inHg
Wind14.6 mph SW
Humidity48%
Visibility6.2 mi
Dew point70°
Wed, 1292° / 71°0.06
Morning77°feels 78°
Afternoon94°feels 100°
Evening80°feels 83°
Overnight74°feels 75°
92 °
Sims, Wednesday, 12 August
Light rain. High 92°, low 71°.
Pressure29.83 inHg
Wind9.6 mph W
Humidity54%
Visibility6.2 mi
Dew point71°
Thu, 1382° / 71°0.74
Morning74°feels 77°
Afternoon81°feels 85°
Evening73°feels 75°
Overnight72°feels 73°
82 °
Sims, Thursday, 13 August
Rain. High 82°, low 71°.
Pressure29.88 inHg
Wind11.4 mph SW
Humidity74%
Visibility—
Dew point71°
Fri, 1478° / 62°0.04
Morning68°feels 68°
Afternoon76°feels 76°
Evening69°feels 69°
Overnight62°feels 63°
78 °
Sims, Friday, 14 August
Light rain. High 78°, low 62°.
Pressure30.12 inHg
Wind12.8 mph NE
Humidity53%
Visibility—
Dew point57°
Sat, 1577° / 56°0
Morning62°feels 62°
Afternoon75°feels 75°
Evening70°feels 70°
Overnight62°feels 62°
77 °
Sims, Saturday, 15 August
Partly cloudy. High 77°, low 56°.
Pressure30.27 inHg
Wind8.3 mph E
Humidity49%
Visibility—
Dew point53°
Sun, 1683° / 59°0.01
Morning65°feels 65°
Afternoon79°feels 80°
Evening74°feels 74°
Overnight70°feels 70°
83 °
Sims, Sunday, 16 August
Light rain. High 83°, low 59°.
Pressure30.21 inHg
Wind8.5 mph SE
Humidity45%
Visibility—
Dew point54°
Mon, 1788° / 70°0.19
Morning75°feels 78°
Afternoon87°feels 94°
Evening84°feels 91°
Overnight77°feels 78°
88 °
Sims, Monday, 17 August
Light rain. High 88°, low 70°.
Pressure29.97 inHg
Wind18 mph SW
Humidity63%
Visibility—
Dew point71°
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.