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As of 13:17 CDT

Weather in Wonder Lake, IL

77°Current weather

Wonder Lake, Sunday, 9 August, 13:17

Overcast. Feels like 79°. High 83°, low 62°.

Pressure29.97 inHg
Wind4.8 mph SE
Humidity89%
Visibility6.2 mi
Dew point74°
Mon, 1087° / 71°0.44Rain
87 °Rain

Wonder Lake, Monday, 10 August

Rain. High 87°, low 71°.

Pressure29.91 inHg
Wind4.5 mph E
Humidity70%
Visibility6.2 mi
Dew point71°
Tue, 1181° / 65°0.96Heavy rain
81 °Heavy rain

Wonder Lake, Tuesday, 11 August

Heavy rain. High 81°, low 65°.

Pressure29.80 inHg
Wind8.8 mph SE
Humidity72%
Visibility6.2 mi
Dew point71°
Wed, 1283° / 63°0Clear
83 °Clear

Wonder Lake, Wednesday, 12 August

Clear. High 83°, low 63°.

Pressure29.85 inHg
Wind3.9 mph NW
Humidity65%
Visibility6.2 mi
Dew point67°
Thu, 1372° / 60°0.04Light rain
72 °Light rain

Wonder Lake, Thursday, 13 August

Light rain. High 72°, low 60°.

Pressure29.97 inHg
Wind7.6 mph E
Humidity74%
Visibility6.2 mi
Dew point64°
Fri, 1472° / 58°0Overcast
72 °Overcast

Wonder Lake, Friday, 14 August

Overcast. High 72°, low 58°.

Pressure30.15 inHg
Wind14.5 mph E
Humidity56%
Visibility—
Dew point54°
Sat, 1575° / 59°0.06Light rain
75 °Light rain

Wonder Lake, Saturday, 15 August

Light rain. High 75°, low 59°.

Pressure30.21 inHg
Wind13 mph SE
Humidity54%
Visibility—
Dew point55°
Sun, 1673° / 64°0.15Light rain
73 °Light rain

Wonder Lake, Sunday, 16 August

Light rain. High 73°, low 64°.

Pressure30.00 inHg
Wind11.9 mph NW
Humidity82%
Visibility—
Dew point65°
Mon, 1776° / 60°0Overcast
76 °Overcast

Wonder Lake, Monday, 17 August

Overcast. High 76°, low 60°.

Pressure30.09 inHg
Wind6.9 mph N
Humidity59%
Visibility—
Dew point57°
Tue, 1877° / 59°0Overcast
77 °Overcast

Wonder Lake, Tuesday, 18 August

Overcast. High 77°, low 59°.

Pressure29.91 inHg
Wind10.2 mph S
Humidity81%
Visibility—
Dew point59°
Wed, 1972° / 61°0.01Light rain
72 °Light rain

Wonder Lake, Wednesday, 19 August

Light rain. High 72°, low 61°.

Pressure29.83 inHg
Wind13.8 mph NW
Humidity72%
Visibility—
Dew point62°
Thu, 2076° / 58°0.08Light rain
76 °Light rain

Wonder Lake, Thursday, 20 August

Light rain. High 76°, low 58°.

Pressure29.94 inHg
Wind7.4 mph SE
Humidity76%
Visibility—
Dew point61°
Fri, 2179° / 60°0.09Light rain
79 °Light rain

Wonder Lake, Friday, 21 August

Light rain. High 79°, low 60°.

Pressure29.77 inHg
Wind13.5 mph S
Humidity72%
Visibility—
Dew point61°
Sat, 2279° / 61°0.02Light rain
79 °Light rain

Wonder Lake, Saturday, 22 August

Light rain. High 79°, low 61°.

Pressure29.80 inHg
Wind15.9 mph NW
Humidity50%
Visibility—
Dew point57°
Sun, 2377° / 54°0Clear
77 °Clear

Wonder Lake, Sunday, 23 August

Clear. High 77°, low 54°.

Pressure30.15 inHg
Wind7.7 mph NW
Humidity49%
Visibility—
Dew point51°
Mon, 2479° / 60°0Clear
79 °Clear

Wonder Lake, Monday, 24 August

Clear. High 79°, low 60°.

Pressure30.18 inHg
Wind8.2 mph SW
Humidity59%
Visibility—
Dew point60°

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 Wonder Lake, 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 Wonder Lake, 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.