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As of 14:50 CDT

Weather in Sims, IL

90°Current weather

Sims, Saturday, 8 August, 14:50

Partly cloudy. Feels like 102°. High 91°, low 72°.

Pressure30.03 inHg
Wind5.5 mph SW
Humidity63%
Visibility6.2 mi
Dew point76°
Sun, 0992° / 74°0Mostly clear
92 °Mostly clear

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°0Partly cloudy
96 °Partly cloudy

Sims, Monday, 10 August

Partly cloudy. High 96°, low 76°.

Pressure30.00 inHg
Wind14.9 mph SW
Humidity52%
Visibility6.2 mi
Dew point71°
Tue, 1197° / 76°0Mostly clear
97 °Mostly clear

Sims, Tuesday, 11 August

Mostly clear. High 97°, low 76°.

Pressure29.91 inHg
Wind14.6 mph SW
Humidity48%
Visibility6.2 mi
Dew point70°
Wed, 1292° / 71°0.06Light rain
92 °Light rain

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°0.74Rain
82 °Rain

Sims, Thursday, 13 August

Rain. High 82°, low 71°.

Pressure29.88 inHg
Wind11.4 mph SW
Humidity74%
Visibility—
Dew point71°
Fri, 1478° / 62°0.04Light rain
78 °Light rain

Sims, Friday, 14 August

Light rain. High 78°, low 62°.

Pressure30.12 inHg
Wind12.8 mph NE
Humidity53%
Visibility—
Dew point57°
Sat, 1577° / 56°0Partly cloudy
77 °Partly cloudy

Sims, Saturday, 15 August

Partly cloudy. High 77°, low 56°.

Pressure30.27 inHg
Wind8.3 mph E
Humidity49%
Visibility—
Dew point53°
Sun, 1683° / 59°0.01Light rain
83 °Light rain

Sims, Sunday, 16 August

Light rain. High 83°, low 59°.

Pressure30.21 inHg
Wind8.5 mph SE
Humidity45%
Visibility—
Dew point54°
Mon, 1788° / 70°0.19Light rain
88 °Light rain

Sims, Monday, 17 August

Light rain. High 88°, low 70°.

Pressure29.97 inHg
Wind18 mph SW
Humidity63%
Visibility—
Dew point71°
Tue, 1888° / 72°0Overcast
88 °Overcast

Sims, Tuesday, 18 August

Overcast. High 88°, low 72°.

Pressure29.94 inHg
Wind11 mph N
Humidity62%
Visibility—
Dew point71°
Wed, 1992° / 71°0Partly cloudy
92 °Partly cloudy

Sims, Wednesday, 19 August

Partly cloudy. High 92°, low 71°.

Pressure29.91 inHg
Wind8.4 mph E
Humidity56%
Visibility—
Dew point69°
Thu, 2086° / 73°1.42Heavy rain
86 °Heavy rain

Sims, Thursday, 20 August

Heavy rain. High 86°, low 73°.

Pressure29.85 inHg
Wind10.4 mph NW
Humidity80%
Visibility—
Dew point74°
Fri, 2182° / 71°0.18Light rain
82 °Light rain

Sims, Friday, 21 August

Light rain. High 82°, low 71°.

Pressure29.91 inHg
Wind11 mph N
Humidity77%
Visibility—
Dew point71°
Sat, 2283° / 65°0Overcast
83 °Overcast

Sims, Saturday, 22 August

Overcast. High 83°, low 65°.

Pressure29.94 inHg
Wind6.5 mph NE
Humidity54%
Visibility—
Dew point62°
Sun, 2376° / 62°0Overcast
76 °Overcast

Sims, Sunday, 23 August

Overcast. High 76°, low 62°.

Pressure30.12 inHg
Wind13.6 mph NE
Humidity60%
Visibility—
Dew point57°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Sims, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Sims, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.