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As of 10:35 CDT

Weather in Green Brier, IL

64°Current weather

Green Brier, Tuesday, 20 October, 10:35

Clear. Feels like 63°. High 72°, low 44°.

Pressure30.39 inHg
Wind3.2 mph NE
Humidity54%
Visibility6.2 mi
Dew point47°
Wed, 2173° / 43°0Clear
73 °Clear

Green Brier, Wednesday, 21 October

Clear. High 73°, low 43°.

Pressure30.27 inHg
Wind1.4 mph NW
Humidity47%
Visibility6.2 mi
Dew point47°
Thu, 2271° / 46°0Clear
71 °Clear

Green Brier, Thursday, 22 October

Clear. High 71°, low 46°.

Pressure30.27 inHg
Wind5.5 mph NE
Humidity46%
Visibility6.2 mi
Dew point48°
Fri, 2369° / 48°0Clear
69 °Clear

Green Brier, Friday, 23 October

Clear. High 69°, low 48°.

Pressure30.33 inHg
Wind4.9 mph E
Humidity54%
Visibility6.2 mi
Dew point50°
Sat, 2471° / 48°0Mostly clear
71 °Mostly clear

Green Brier, Saturday, 24 October

Mostly clear. High 71°, low 48°.

Pressure30.36 inHg
Wind5.3 mph E
Humidity47%
Visibility—
Dew point45°
Sun, 2575° / 50°0Mostly clear
75 °Mostly clear

Green Brier, Sunday, 25 October

Mostly clear. High 75°, low 50°.

Pressure30.39 inHg
Wind5.3 mph SW
Humidity43%
Visibility—
Dew point46°
Mon, 2675° / 53°0Overcast
75 °Overcast

Green Brier, Monday, 26 October

Overcast. High 75°, low 53°.

Pressure30.18 inHg
Wind14.2 mph SW
Humidity29%
Visibility—
Dew point37°
Tue, 2753° / 40°0.02Light rain
53 °Light rain

Green Brier, Tuesday, 27 October

Light rain. High 53°, low 40°.

Pressure30.39 inHg
Wind18.7 mph N
Humidity35%
Visibility—
Dew point23°
Wed, 2854° / 33°0Clear
54 °Clear

Green Brier, Wednesday, 28 October

Clear. High 54°, low 33°.

Pressure30.45 inHg
Wind6.3 mph SW
Humidity30%
Visibility—
Dew point19°
Thu, 2962° / 36°0Overcast
62 °Overcast

Green Brier, Thursday, 29 October

Overcast. High 62°, low 36°.

Pressure30.15 inHg
Wind13.8 mph W
Humidity25%
Visibility—
Dew point21°
Fri, 3052° / 35°0Clear
52 °Clear

Green Brier, Friday, 30 October

Clear. High 52°, low 35°.

Pressure30.36 inHg
Wind13.9 mph NW
Humidity29%
Visibility—
Dew point18°
Sat, 3153° / 31°0Overcast
53 °Overcast

Green Brier, Saturday, 31 October

Overcast. High 53°, low 31°.

Pressure30.33 inHg
Wind8 mph S
Humidity28%
Visibility—
Dew point17°
Sun, 0160° / 39°0Clear
60 °Clear

Green Brier, Sunday, 1 November

Clear. High 60°, low 39°.

Pressure30.15 inHg
Wind8.5 mph SW
Humidity36%
Visibility—
Dew point29°
Mon, 0263° / 43°0Clear
63 °Clear

Green Brier, Monday, 2 November

Clear. High 63°, low 43°.

Pressure30.33 inHg
Wind7.1 mph SE
Humidity44%
Visibility—
Dew point37°
Tue, 0366° / 43°0Overcast
66 °Overcast

Green Brier, Tuesday, 3 November

Overcast. High 66°, low 43°.

Pressure30.24 inHg
Wind13.3 mph S
Humidity32%
Visibility—
Dew point32°
Wed, 0461° / 52°0.35Rain
61 °Rain

Green Brier, Wednesday, 4 November

Rain. High 61°, low 52°.

Pressure30.03 inHg
Wind14.6 mph S
Humidity69%
Visibility—
Dew point47°

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 Green Brier, 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 Green Brier, 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.